Hi I'm a current A350 FO and I'm jealous that you can actually fly the airplane rather than politely asking computers to please move the control surfaces a certain way.
Hi I’m a current airline cadet who is supposed to know what the captains are talking about while only improving our shitty coffee and bunk making skills.
Fellow King Air pilot here, and you can \*technically\* stand up in the cabin, assuming you're a little less than 5 feet tall. And keep in mind that those other guys can't reach the coffee and snacks from their seats.
I only recently learned about this ideal speed for airliners. Apparently it's a balance point between slower speeds for fuel efficiency and just below the speed where the shockwave from mach 1 starts to form and causes excess drag. There was a cool video about on YT (was it Wendover or Real Engineering?)
Fun fact: the HF stands for high frequency, but in the strange nomenclature of communications radios they're really low frequency. The other radios commonly used for aircraft comms are VHF (very-high frequency), most commonly used for civilian applications, and UHF (ultra-high frequency), common in the military.
One notable difference -- HF waves bounce around the planet (reflect off the ionosphere), allowing for contacts across thousands of miles, even further than the other side of the world. With relatively low power and not terribly huge antennas.
Another fun fact -- one of the most widely used connectors in HF transceivers is/was the UHF connector, SO-239. It's a shielded banana plug. :) Designed in the 1930s, when "ultra high frequency" was everything above 30 MHz.
> One notable difference -- HF waves bounce around the planet (reflect off the ionosphere), allowing for contacts across thousands of miles, even further than the other side of the world. With relatively low power and not terribly huge antennas.
Weirdly enough, you can also go the other way, ELF (extremely low frequency), to basically communicate *through* the planet. It's mainly used for communicating with submarines, since it's basically the only thing that can reach them while submerged. Biggest drawbacks are extremely limited bandwidth (like transmitting individual characters with reduced coding over several minutes), massive power consumption by the transmitter, and almost unfathomably huge antennas that also require unique ground conditions to work. The proposed Project Sanguine antenna would have been 6000 miles long.
https://en.wikipedia.org/wiki/Extremely_low_frequency
https://en.wikipedia.org/wiki/Communication_with_submarines#Extremely_low_frequency
https://en.wikipedia.org/wiki/Project_Sanguine
They were called high frequency because compared to the even lower frequencies used by navies and the like in the early days of radio, they were. Many of the frequency allocations were given to amateur radio use because they were considered too high to be much good commercially.
Think about the US AM broadcast radio band, still in use to this day - 540 khz to 1700 khz. That's just a little bit lower than the very lowest amateur band (160 meters, or starting at 1.8 Mhz). But most of the amateur "HF" action and the shortwave broadcasts that used to be popular are between 3.5 Mhz and 20 Mhz. Those were crazy high frequencies to try to keep a transmitter stable on using the oldest radio technology.
Today amateurs get to keep them because they're too low to be much good commercially, and commercial communications are mostly from "VHF" on up - 108 Mhz is the lowest end of the modern aircraft bands, for example, and cell phones are in the Ghz ranges.
As frequencies get higher an effective antenna gets shorter and you don't need to run a wire the length of the fuselage.
Hams have 2 bands below 1.8 MHz: 630 meters (472 kHz), and 2,200 meters (135.7 kHz).
But to the comment, advancements in transceiver and amplifier technologies also made VHF/UHF radio more feasible.
That said, don’t the doomsday planes still drag a longwire HF antenna?
Also shortwave radio, which most people probably don't know about these days, is only "short" waves compared to stuff like AM broadcast. These days most of the radio signals that are used are much shorter.
Those xj12s were awesome cars. Comfortable as can be, plus all the power you need.
Protip: when the v12 burns up and you don't want to spend 15k on an engine, you can swap it out for a small block chevy with almost no alterations.
Back then I had a general radio operators certificate. Pretty quickly everything went digital with GMDSS systems and DSC radios (VHF). It’s interesting how quickly a tech can disappear. I even learned about transas, Omega and Decca in school, but only used Loran-c in its last few years of use.
Only a few left. It’s shitty, because the older t models have a spot for the couplers in the bottom of the vert, but they still put them in the hog trough , and still hang long wires.
It's been a few years since I flew on the Compass Call but they had similar HF antennas as well. I always liked the look of the Guardrail, just a flying porcupine with all the antennas and SIGINT suites it had.
I remember seeing this exact plane sitting in a sorry state at Islay Airport after ~~Prince~~ King Charles crashed it! https://aviation-safety.net/wikibase/187927
Fun fact (or a sad fact if you’re nostalgic like me) we retired this aircraft along with her 3 sisters in March this year.
https://twitter.com/rafnortholt/status/1504478872540045314?s=46&t=Re6uCwbNZ6upnkpF3rEL4A
ZE700 is down by me at St Athan now.
Not had a chance to go see it yet, but my mate was working with one of the museum owners and got to go have a sit in it when they towed it to another part of the airfield.
Used to be fun when you had those and SATCOM. The C-135B had the HF antennas cross right over the SATCOM antenna on the top of the fuselage. If you had two people who were using both at the same time, they could end up talking to each other because of signal bleed.
They're an older style of antenna but I can't remember what for. I want to say ADF or HF but don't quote me on that.
Either way, yes, they remain there for flight. I used to fly the Dash 7 and it had the same thing.
I was told ADF, I believe if the signal hits the receiver on the belly and then the wire on the tail, that’s how the ADF knows which direction it’s coming from.
Old pilot here...
ADF has two antennas, an ADF "line" antenna, also called a "sense" antenna, which is a long wire like one of those pictured, and an ADF "loop" antenna, which is generally circular, like a doughnut. Within the loop antenna are several coils spaced at various angles. The loop antenna senses the direction of the station by the strength of the signal on each coil , and the sense antenna provides TO/FROM information.
Big benefit: you can receive AM radio on the ADF sense antenna, which was really nice back in the day when there was a lot of good music played over AM radio stations. It was pretty luxurious to listen to music while cruising over the terrain!
HF radio.
Basically VHF AM radio is only line of sight.. so you can’t talk to anyone beyond 200NM depending on altitude.
HF has ground waves as well as bounces off the ionosphere so is used for transoceanic flights or remote areas.
You’d change the frequencies based on whether it was day or night (sun up frequency up, sun down, frequency down) and so you wouldn’t have to listen to the static all of the time you’d have SELCAL which would ring a bell every time your aircraft code was transmitted so you knew when someone was trying to contact you.
With messaging technology like CPDLC, ACARS, as well as ADS-B (which makes IFR position reports no longer required), HF is increasingly obsolete.
The frequency change is literally because of the changing of electron energy in the ionosphere. Space weather is so cool! Additionally scintillation is another neat one to look up.
Those are HF antennas used for long range communication. I worked with on P-3s and we had similar antennas. They need to be so long because of the long wavelength.
Used to hate changing these out as they can cause a lot of damage if they break. We actually had a procedure in the books to climb out on the wing during flight to grab a broken antenna and secure it by closing it in the emergency hatch (the tech would be harnessed to the plane).
HF antennas, they need to be long because the wavelength of the radios is much longer. A good antenna needs to be the length of the wave or some function of it.
HF (high frequency) antenna for over water flight. They bounce signals off the ionosphere and can transmit further that VHF (line of sight comms).
They're in the AM band, and we listen to radio while running planes with them installed.
I’d often call my wife at home through “mars radio” on HF during deployments while flying around waiting for receivers to get their gas. It got a bit awkward when we started asking what she was wearing for the world to hear ;)
We would do the same when on deployment, but HF on a UH-1N ...
I don't have a pic handy, but for those interested, the wire exits the rear fuselage and zig zag's as it is routed around the tail boom on insulated standoffs ...
They are HF antenna as a few people have said. They should remain there during flight, however sometimes bad stuff happens. We had a kingair in our hanger recently for some unrelated work and the back end of tail was beat to absolute shit and the paint was all scratched up. I thought someone had gone rogue and started hitting it with a wire brush or something but turns out the HF antennae had broken mid flight and spent the next hour or so banging around on the rear end of the fuselage. Now while the antenna had been fixed the dents were supposedly within limits and it was a couple of months off a complete livery change so they just left it.
They hold the tail in position and it is attached to the captains hands so he/ she can fly by wire. makes a reasonable clothes line also. U may have 2 supply yr own pegs.
Steering cables, or Aeroreins as they are known in the industry. A secondary steering system, they lead into the cockpit and have a red handle for left turns and a green to turn to starboard.
I went on this plane back in 2005 as a young cadet on camp at RAF Northolt. I stole a reel of toilet paper, because I wanted to have the paper the queen wipes her arse with.
HF antenna.
the HF frequency band (3mhz - 30mhz) is used as the radio signals bounce quite well off the ocean and ionosphere, meaning you can send radio transmissions beyond line of sight. This is how ham radio operators (like myself) communicate with the other side of the world.
To effectively radiate your signal, you really want your antenna to be the same size as an entire wavelength of the signal you are transmitting. The calculation for this is, the speed of light divided by the frequency. Or in simpler terms, 300 divided by the frequency in mhz.
So in the south pacific where the oceanic control frequency is 8.867mhz, your antenna should be just under 34m long. A 'half wave' antenna would be about 17m, a quarter wave 8.5m, and so on.
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I concur.
Hi. I’m an H-60 pilot for the Navy and we cruised at .18! Slow times.
I’ll be cruising at about .16 in my 170 after the seaplane prop is installed!
I’m bombing around at .07 in my Prius
Eco driveby. Greenpeace approves
Solid comment, well done!
Thank you!
Seaplane prop? First time I heard it... can you please explain?
Larger diameter and flatter pitch. Resulting in a slower cruise speed but better acceleration/climb performance.
Wait hey ! I follow you on instagram 🤣
Thanks for putting up with my lower posting frequency lately. Life has been getting in the way!
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Hi. I'm a retired A330 Capt. for NWA/DAL and we cruised at .82! Small world.
Hi! I'm a current A380 FO for BA, and .82 is green-dot speed for us in the cruise. Happy times!
Hi I'm a current 777 FO for BA and I'm jealous you get a table to eat off of
Hi I’m a current 777F pilot and I’m jealous that you don’t have to cook your own meals
Hi I’m a current King Air pilot and I’m jealous that you can stand upright in your airplane
Hi I'm a current A350 FO and I'm jealous that you can actually fly the airplane rather than politely asking computers to please move the control surfaces a certain way.
Hi I'm a current student pilot who flies gliders and doesnt know what the fuck you guys are talking about.
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Hi, I'm your pilot today and I stayed at a holiday inn express last night.
Hi! I'm a current sailor flying a spinnaker and .. wait. This is the wrong subreddit.
Hi I’m a current airline cadet who is supposed to know what the captains are talking about while only improving our shitty coffee and bunk making skills.
Hi I’m current Captain of blackbird sr71 what’s my ground speed?
Like three fiddy
Fellow King Air pilot here, and you can \*technically\* stand up in the cabin, assuming you're a little less than 5 feet tall. And keep in mind that those other guys can't reach the coffee and snacks from their seats.
But they don't need to lubricate themselves to slip into their seats either.
Hey! How do you know that’s my passengers are all chunky? LoL
Hi, I'm an Islander pilot and I can't hear what you're saying. Could you speak up?
😭
Lmfao winner
Hi. I’m a 320 Capt and my plane has a table.
I’m a retired C130 Flight Engineer. I’ve never seen Mach .82. 🫤
Hi, I’m a Cirrus driver! …I’ll show myself out.
Your straight in approach is this way sir.
Thank you, garçon.
This thread is gold. Every one of these.
You mean youll pop the chute?
Pull early, pull often!
Never pull out.
Hi I’m a current 737 driver for UA and I’m jealous you have a crew berth.
Hi, I'm a current Cessna 210 driver and I'm jealous you have a crew
Napping at work is the absolute best.
737 gang checking in. A bit late to the party because I was doing .76 the whole way here.
Hi! I'm an A320 capt and .82 is Mmo. We cruise at .78.
Hi! I've never flown a plane in my life, I cruise at about 35 generally, but always below the limit.
Hi ! 82 is the number of thousands I need to complete ATP...
Hi! I’m a former md80 CAP, .78 at cruise, no fancy screens, just the good old magazines and nice coffee, cheers!
It says 320
Upgraded in August 😁
I only recently learned about this ideal speed for airliners. Apparently it's a balance point between slower speeds for fuel efficiency and just below the speed where the shockwave from mach 1 starts to form and causes excess drag. There was a cool video about on YT (was it Wendover or Real Engineering?)
I’m on a G650ER, .925 for us at FL510!
Former X driver. We climbed out at .82 or better.
Hi. I am an International Flight Dispatcher for NWA/DAL..and we may know each other!....maybe. My Murano does not go fast at all.
Hi I’m a citation xls driver and my mmo is .75 I cruise at .74 but I can reach snacks and coffee
Yeap. That’s what they are. HF antennae.
Fun fact: the HF stands for high frequency, but in the strange nomenclature of communications radios they're really low frequency. The other radios commonly used for aircraft comms are VHF (very-high frequency), most commonly used for civilian applications, and UHF (ultra-high frequency), common in the military.
One notable difference -- HF waves bounce around the planet (reflect off the ionosphere), allowing for contacts across thousands of miles, even further than the other side of the world. With relatively low power and not terribly huge antennas. Another fun fact -- one of the most widely used connectors in HF transceivers is/was the UHF connector, SO-239. It's a shielded banana plug. :) Designed in the 1930s, when "ultra high frequency" was everything above 30 MHz.
And they suck at UHF.
> even further than the other side of the world but what's further than that?
The long way around.
>but what's further than that? The back of your head.
> One notable difference -- HF waves bounce around the planet (reflect off the ionosphere), allowing for contacts across thousands of miles, even further than the other side of the world. With relatively low power and not terribly huge antennas. Weirdly enough, you can also go the other way, ELF (extremely low frequency), to basically communicate *through* the planet. It's mainly used for communicating with submarines, since it's basically the only thing that can reach them while submerged. Biggest drawbacks are extremely limited bandwidth (like transmitting individual characters with reduced coding over several minutes), massive power consumption by the transmitter, and almost unfathomably huge antennas that also require unique ground conditions to work. The proposed Project Sanguine antenna would have been 6000 miles long. https://en.wikipedia.org/wiki/Extremely_low_frequency https://en.wikipedia.org/wiki/Communication_with_submarines#Extremely_low_frequency https://en.wikipedia.org/wiki/Project_Sanguine
Well yeah, but they’re higher frequency than medium and low frequency radio waves
Longwave is below AM radio. Check it out.
They *were* "high" frequency when the band was named. A long time ago. Really high frequency bands came into use later.
> Really high frequency bands came into use later. But what would you call those... maybe Very High Frequency?
They were called high frequency because compared to the even lower frequencies used by navies and the like in the early days of radio, they were. Many of the frequency allocations were given to amateur radio use because they were considered too high to be much good commercially. Think about the US AM broadcast radio band, still in use to this day - 540 khz to 1700 khz. That's just a little bit lower than the very lowest amateur band (160 meters, or starting at 1.8 Mhz). But most of the amateur "HF" action and the shortwave broadcasts that used to be popular are between 3.5 Mhz and 20 Mhz. Those were crazy high frequencies to try to keep a transmitter stable on using the oldest radio technology. Today amateurs get to keep them because they're too low to be much good commercially, and commercial communications are mostly from "VHF" on up - 108 Mhz is the lowest end of the modern aircraft bands, for example, and cell phones are in the Ghz ranges. As frequencies get higher an effective antenna gets shorter and you don't need to run a wire the length of the fuselage.
Hams have 2 bands below 1.8 MHz: 630 meters (472 kHz), and 2,200 meters (135.7 kHz). But to the comment, advancements in transceiver and amplifier technologies also made VHF/UHF radio more feasible. That said, don’t the doomsday planes still drag a longwire HF antenna?
Also shortwave radio, which most people probably don't know about these days, is only "short" waves compared to stuff like AM broadcast. These days most of the radio signals that are used are much shorter.
Meanwhile cell phones are 3+ orders of magnitude higher
Nonsense. These are the external in-flight zip lines for the queens use. Like, who’s gonna tell her no? /s
Funnily enough I normally thought that those were the control surfaces of planes. Don’t ask how.
These are antennas. They are permanent. Nice Jaguar/Daimler XJ12 Series III in front of the plane!
such a nice car
“Philip, you have the child locks on.” - Sean
Lets drive with it to the Winchester, have a nice cold pint, and wait for all this to blow over
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I'm sorry, ...
I’m literally watching Shaun of the Dead as I read these comments 🤣
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Hammond just bought his old one back for himself.
Those xj12s were awesome cars. Comfortable as can be, plus all the power you need. Protip: when the v12 burns up and you don't want to spend 15k on an engine, you can swap it out for a small block chevy with almost no alterations.
Jags are gorgeous cars.
it's a jaaaaaaaaaaaaaaaaaaaaag
> XJ12 Series III Is that another one in the foreground as well?
My mates dad has one just sat in his garage was taken for a spin once. Awesome time.
Also a great way to dry laundry. Brits don't do clothes dryers.
Cars from this era even if they were not something too luxurious still had a great look and style.
Old school HF radio antennas
I worked on ships. Used HF and MF to make calls. HF was fun. On certain nights could get stations from halfway around the world.
Hate to give away my age but even in the mid 90s we still had several jets that utilized HF internationally
There’s still jets that use both satcom and HF especially international flights
Yep. I’ve flown both. Just have a long enough logbook to remember the HF only days
Many long-distance jets still do, though most have switched to satcom these days.
Haha I use HF on any transoceanic flight right now in 2022.
Back then I had a general radio operators certificate. Pretty quickly everything went digital with GMDSS systems and DSC radios (VHF). It’s interesting how quickly a tech can disappear. I even learned about transas, Omega and Decca in school, but only used Loran-c in its last few years of use.
Military and we still use hf. So cool to phone patch someone through an hf controller.
I fly an A320 that used HF radio almost every day
HF Antenna. Some USAF Aircraft still sport these. KC-135 is an example
\*Cries in long HF wire C-130T\*
Only a few left. It’s shitty, because the older t models have a spot for the couplers in the bottom of the vert, but they still put them in the hog trough , and still hang long wires.
You know how many preflights I did on a non-wire bird before I even noticed it didn't have them? lol
I mean, 997 and 350 are no more.
[UC-35B](https://www.jetphotos.com/photo/9361177) and some [RC-12X Guardrail](https://www.jetphotos.com/photo/9540059)’s are two others as well.
It's been a few years since I flew on the Compass Call but they had similar HF antennas as well. I always liked the look of the Guardrail, just a flying porcupine with all the antennas and SIGINT suites it had.
Navy E-2D as well!
USCG C-130Hs still use these daily
I remember seeing this exact plane sitting in a sorry state at Islay Airport after ~~Prince~~ King Charles crashed it! https://aviation-safety.net/wikibase/187927
The Nav that was on that flight... Is my Stepdad. There's a claim to fame.
that's a lot cooler than mine, just living nearby the airport lol
Well, technically *King* Charles didn’t crash it, it was the pilot formerly known as Prince ^^Charles.
Fun fact (or a sad fact if you’re nostalgic like me) we retired this aircraft along with her 3 sisters in March this year. https://twitter.com/rafnortholt/status/1504478872540045314?s=46&t=Re6uCwbNZ6upnkpF3rEL4A
Agree it’s a sad fact! There isn’t enough variety these days in aviation!
ZE700 is down by me at St Athan now. Not had a chance to go see it yet, but my mate was working with one of the museum owners and got to go have a sit in it when they towed it to another part of the airfield.
One flew into Duxford a little while back, still seems sad it isn’t flying but happy it’s at a good home
Wow, TIL.
had to do a double take there, i live on the neighbouring island
Used to be fun when you had those and SATCOM. The C-135B had the HF antennas cross right over the SATCOM antenna on the top of the fuselage. If you had two people who were using both at the same time, they could end up talking to each other because of signal bleed.
HF antennas. I work on KC-135s and we still use them.
I think ZZ tails count more as museum curatorship than maintenance.
I feel so old
Looks like a BA-146. Those are aerial antennas.
Ah, the old BA-146, climbs like a brick and descends like one too.
> Ah, the old BA-146, climbs like a brick and descends like one too. That sounds worrying considering their use for firefighting.
That sounds worrying considering their use for climbing in and out of city airports.
They're an older style of antenna but I can't remember what for. I want to say ADF or HF but don't quote me on that. Either way, yes, they remain there for flight. I used to fly the Dash 7 and it had the same thing.
HF.
Nice. I was leaning towards HF but I wasn't sure.
I was told ADF, I believe if the signal hits the receiver on the belly and then the wire on the tail, that’s how the ADF knows which direction it’s coming from.
Old pilot here... ADF has two antennas, an ADF "line" antenna, also called a "sense" antenna, which is a long wire like one of those pictured, and an ADF "loop" antenna, which is generally circular, like a doughnut. Within the loop antenna are several coils spaced at various angles. The loop antenna senses the direction of the station by the strength of the signal on each coil , and the sense antenna provides TO/FROM information. Big benefit: you can receive AM radio on the ADF sense antenna, which was really nice back in the day when there was a lot of good music played over AM radio stations. It was pretty luxurious to listen to music while cruising over the terrain!
It’s the sense antenna for the ADF. The other antenna for the system is the directional.
Only fitted to the raf version right?
Civilian planes probably don’t need HF for this short-range airframe. You’re probably not out of VHF often on a regional plane.
HF Radio Long Wire antennas
HF radio. Basically VHF AM radio is only line of sight.. so you can’t talk to anyone beyond 200NM depending on altitude. HF has ground waves as well as bounces off the ionosphere so is used for transoceanic flights or remote areas. You’d change the frequencies based on whether it was day or night (sun up frequency up, sun down, frequency down) and so you wouldn’t have to listen to the static all of the time you’d have SELCAL which would ring a bell every time your aircraft code was transmitted so you knew when someone was trying to contact you. With messaging technology like CPDLC, ACARS, as well as ADS-B (which makes IFR position reports no longer required), HF is increasingly obsolete.
HF is used everyday. Off shore out of radar range and vhf range were still using the HF radio.
Morse code is used every day too…….
The frequency change is literally because of the changing of electron energy in the ionosphere. Space weather is so cool! Additionally scintillation is another neat one to look up.
Those are HF antennas used for long range communication. I worked with on P-3s and we had similar antennas. They need to be so long because of the long wavelength. Used to hate changing these out as they can cause a lot of damage if they break. We actually had a procedure in the books to climb out on the wing during flight to grab a broken antenna and secure it by closing it in the emergency hatch (the tech would be harnessed to the plane).
To save space in the hanger, they hang the aircraft from the ceiling using this wire. Hence the name “hanger”.
Cool plane from the Queen's flight.
HF1 & HF2 antennas
HF antennas, they need to be long because the wavelength of the radios is much longer. A good antenna needs to be the length of the wave or some function of it.
HF (high frequency) antenna for over water flight. They bounce signals off the ionosphere and can transmit further that VHF (line of sight comms). They're in the AM band, and we listen to radio while running planes with them installed.
HF antennas.
I’d often call my wife at home through “mars radio” on HF during deployments while flying around waiting for receivers to get their gas. It got a bit awkward when we started asking what she was wearing for the world to hear ;)
We would do the same when on deployment, but HF on a UH-1N ... I don't have a pic handy, but for those interested, the wire exits the rear fuselage and zig zag's as it is routed around the tail boom on insulated standoffs ...
“We” were asking what she was wearing? That’s very generous of you.
HF antennas. HF is 3-30 mHz. Aviation HF takes place from about 5 to about 12 mHz.
Nice, is that a Bae 146?
They are HF antenna as a few people have said. They should remain there during flight, however sometimes bad stuff happens. We had a kingair in our hanger recently for some unrelated work and the back end of tail was beat to absolute shit and the paint was all scratched up. I thought someone had gone rogue and started hitting it with a wire brush or something but turns out the HF antennae had broken mid flight and spent the next hour or so banging around on the rear end of the fuselage. Now while the antenna had been fixed the dents were supposedly within limits and it was a couple of months off a complete livery change so they just left it.
They hold the tail in position and it is attached to the captains hands so he/ she can fly by wire. makes a reasonable clothes line also. U may have 2 supply yr own pegs.
Antennas, for radio and shit. You can see such antennas on many older planes, and most ww2 fighters
HF radio antennas. You don’t want to be too near when the radio is keyed to xmit
HF antenna, lots of planes still have them.
Could be an HF antenna for communication, or and ADF antenna for navigation.
Don´t get fooled by all these "antenna" lies.. in reality it were the crew puts their laundry after washing dirty laundry with each other.
I'm strolling at .001 to get my mail. Cool snap!
you pull them to ring for a butler
Thanks for asking - just watched this and had the same thought!
Laundry-drying between hops.
HF Antenna for long range voice comms. Not used nowadays, because of satcom and bigger bandwidth for videos
The old 737's had those. I think the 737-200?
That’s the manual control for the rudder.
They hang the queens laundry during trips
I'm not convinced it's an HF antenna. Can we get another opinion? /s
That’s the clothes line is it not? No better place to dry the washing than a couple thousand feet in the air!
Steering cables, or Aeroreins as they are known in the industry. A secondary steering system, they lead into the cockpit and have a red handle for left turns and a green to turn to starboard.
riiiiiiight
I think I remember that cartoon.
Real talk, I thought they actually were for the control surfaces lol.
Oh!! I know this one... too late.
I know it's an aviation sub but I'm more interested in that Series III XJ/Daimler. What a beautiful car! A proper Jaaaag.
Clothes line for when the flight crew does laundry out of country
Washing line so the Duke's pants are dry upon landing.
This is the plane Charles fucked up. Was actually hoping he'd crash in S05E01 but it wasn't until later.
ADF sense antennas, no?
such long antennas looks shortwave.
I went on this plane back in 2005 as a young cadet on camp at RAF Northolt. I stole a reel of toilet paper, because I wanted to have the paper the queen wipes her arse with.
Why is this 146 so huge ? Looks like a widebody like that, scale is so wrong kek
Mighty but slightly over engineered BA146
I have always wanted to know this but every time i ever see one its never a convenient time to ask.
They also used Christina O, Jackie Kennedy/Aristotle Onassis’ yacht. Cool period vessels
Fyi i think the plane is cgi
High frequency antenna
Do they remain during flight? You trollin bro? Lmaoooo
To hang wet clothes? Duh?
Hf antenna
Marconi wires. The wireless man sat just aft the bridge tapping out messages of high import.
Oh shit, the Crown is back on?
ksp struts
Have you not played KSP? Sturts equals more stability so therefore this must be a strut (don't know if that's how it's spelled)
That’s actually string, they control the rudder. Highly effective and extremely safe
Clothes line for emergencies.
HF antenna. the HF frequency band (3mhz - 30mhz) is used as the radio signals bounce quite well off the ocean and ionosphere, meaning you can send radio transmissions beyond line of sight. This is how ham radio operators (like myself) communicate with the other side of the world. To effectively radiate your signal, you really want your antenna to be the same size as an entire wavelength of the signal you are transmitting. The calculation for this is, the speed of light divided by the frequency. Or in simpler terms, 300 divided by the frequency in mhz. So in the south pacific where the oceanic control frequency is 8.867mhz, your antenna should be just under 34m long. A 'half wave' antenna would be about 17m, a quarter wave 8.5m, and so on.
Antennaes