Understanding Coffin Corner | The High-Risk Zone in Aviation.

This video explains the concept of "Coffin Corner" in aviation. You will learn how this phenomenon affects a jet's aerodynamic ceiling and why it's critical for safe flight operations.

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#flightclub #coffincorner

[lewismassie]

You know I've read about operation ceilings for years, not until this video did I understand what actually causes them. Would be interesting to see that graph for different planes: airliners, early prop planes, SR-71, modern jets, concorde etc

[trespire]

I read that while piloting the U2 at very high altitude, 90, 000 feet more or less, the pilot has to maintain air speed to within 5 knots. Go above or below and the U2 plane will stall and fall out of the sky.
This video helps explain why.

[jordananderson]

I kept seeing this channel recommended to me in my feed, this video specifically, and I thought to myself, "I'm an avid student of aerodynamics and flight, I know what coffin corner is. Surely, I don't need to re-learn it."

Turns out, it doesn't matter. Between the beautiful explanations, and an always-captivating Australian accent (seriously, how do Aussies always have beautiful speaking voices?), I found myself enjoying an explanation in 5 minutes that I had spent 30 minutes suffering through in Uni.

[DanSlotea]

Now I understand a lot better the difficulty of flying the U2.

[whyjnot]

Just found this channel recently. The videos I have thus far seen look great. I am no pilot, nor am I likely to become one. However I find the different aspects of how planes fly to be a fascinating topic and as such, videos like what you guys and gals are making are great for someone like myself who has some understanding of planes and how they work, but also have garnered all of that understanding on their own.

Keep up the good work.

[Keitan]

Your videos never disappoint! Loving these ATPL videos ❤️ hoping for more to come.

[pagheca]

Great video. So concise and clear!

I have been working on a russian aircraft, the MDB M55 Geofisika, holding the world record for highest tangential altitude, higher than the U2. I remember the pilot told me at that altitude the buffet margin was 15 kn only. .

[zaharbj]

excellent material, dear Flight Club team! these videos can also be useful for those struggling with ATPL theory

[lordtachanka]

Crisp clean audio, simple yet effective graphs, and visual aids that are straight forward and not overly complicated for the specific subject matter. A+!

[kitzyowo]

Though my knowledge on this is next to 0, I feel like this video explained it really well because I actually understood it.

[midnighx]

This channel got me through CPL Systems and Aero

[chacmool]

Loved the Aussie accent on that Sheila.

[Luke-fj]

This explanation could not possibly be any better

[bayridge]

Thank you so much for not playing music! Great video. Subscribed.

[mileslong]

Coffin corner was an expression used by the Merchant Marine for the tail end of convoys, where tankers or munitions ships were located.

[murugurthy]

FO Bonin was blamed for not understanding this very dangerous situation which developed in a storm on AF447.Too much of criticism on Bonin. Buffets due to a stall or an overspeed or that created by the storm were difficult to ascertain given the time and position in which he were in.
His AOA reached 50 degrees and the computers stopped telling him that the plane was stalling, while the plane was in straight and level flight.If the sidesticks moved together and the AoA indications were shown to Bonin might not have occured.

Nice vid as always!!!

[tissuepaper]

Very informative, guys. I wonder where I should look (other than a high performance instructor) for more information on how CAS/TAS/Mach are all related and how to understand the relationship intuitively?

[tracersedge]

Brilliant presentation, you are gifted communicators.

[raptorreddelta]

I have no idea why I was recommended this but I guess today I'm going to enjoy being nerded at about pilotry going through these videos. Sweet

[halb]

Excellent description. Of note, on modern airplanes the limits are visually displayed as shown at 0:26. I spent a lot of time on the MD-11 and it was common to see these limits depicted by the airspeed indicator at high altitude. As expected, the limits were reduced when in a turn and after an extended period of cruise (hours) they would decrease and in many cases disappear altogether. While they were designed to allow a margin of error, in all cases they were respected.