Air Accident / Incident thread

joujoujou · 07-01-2022 8:25pm

You're welcome. Quote is clickable and leads to relevant avherald entry. :-)

Hotblack Desiato · 07-01-2022 11:42pm

True but on the "new and improved" Boards it wasn't obvious that it was a link.

Royale with Cheese · 09-01-2022 2:38pm

Anyone following the Trevor Jacob controversy? Basically some Youtuber fakes an engine failure over the Sierra Nevada mountains and immediately just jumps out of the plane and films it crash, all for the clicks. Nobody is buying it, I'd imagine he'll be in some trouble over this:

https://www.youtube.com/watch?v=vbYszLNZxhM

JohnC. · 10-01-2022 2:22pm

A double crash, to make sure the plane was done.

https://www.theguardian.com/us-news/2022/jan/10/pilot-from-crashed-plane-in-us-pulled-to-safety-moments-before-train-hits

A plane crashed on a train junction shortly after takeoff. LAPD officers managed to pull out the pilot seconds before it was demolished by a train. If it was an action movie, you'd say it was ridiculous.

https://www.youtube.com/watch?v=QA5x6-0ZaqQ

AMKC · 13-01-2022 1:46pm

Why don't planes have a fuel cut off system like a road car if its in a crash. Surely if a plane had a crash on the ground while maybe trying to take off if the fuel cut off and the wings disengaged then the passengers in the cabin of the plane would have a better change of surviving.

Irish Steve · 13-01-2022 7:02pm

One of the reasons for not having a cut off in the fuel supply is to ensure that there can't be a failure that could result in engine failure at a critical stage, a valve or solenoid can fail for a wide range of reasons. You for sure don't want something like that happening during a take off run.

Stovepipe · 13-01-2022 9:56pm

because,if the fuel tank is ruptured in an aircraft like this Cessna, a fuel cut-off is pointless. It does have one anyway.

Hotblack Desiato · 14-01-2022 1:52pm

The wings disengaged?? You mean the strongest part of the plane, often full of fuel, should just fall off?

Dilbert75 · 14-01-2022 1:56pm

Yep - anything that makes it easier for a passenger compartment to not be securely attached to the wings, or for an engine to not get fuel, would probably not be best practise alright.

JohnC. · 07-04-2022 9:23pm

DHL 757 ended up in pieces at San Jose, Costa Rica. Reportedly no serious injuries, thankfully.

It had left the same airport but turned back after 10 minutes, reporting hydraulic problems. It landed but spun off the runway, sort of backwards and sideways, at what looks like a fair speed and broke up a bit. Several videos at the link.

https://www.aviation24.be/airlines/dhl-express/dhl-aero-expreso-boeing-757-freighter-exits-runway-and-brakes-into-pieces-at-san-jose-costa-rica/

Dilbert75 · 08-04-2022 3:09pm

Hydraulic failure with no brakes on one side?

Hotblack Desiato · 08-04-2022 3:44pm

According to comments on AVH, the left reverser would have been inoperative but not the right, it's not clear whether they used reverse thrust on the right but they may have.

08-04-2022 4:03pm

https://twitter.com/aviationbrk/status/1510608664947838980?s=21&t=D4FxtVme6H506TOSTbkHSw

https://www.boards.ie/discussion/comment/118473854#Comment_118473854

That happened an aircraft recently as it departed the runway after landing and seemed to strike something about the height of the wings. Very neat separation of the unit holding both low wings together beneath the fuselage, forget the aircraft type but it was a smallish twinjet. On Twitter not not ago, no injuries or fire. In fact I commented wryly at the cool design. Will try and dig it up.

Edit -as above, a Learjet.

08-04-2022 4:12pm

I watched the DHL 757 video many times. It comes to mind how cleanly the tail one section came away at assembly point at apparently quite low kinetic forces, although hard to see what finally happened. In my mind it poses a question as to the integrity of the join, and had that anything to do with the initial cause of the hydraulic failure. It’s the biggest clue standing out.

08-04-2022 4:32pm

https://twitter.com/ondisasters/status/1511859581202354185?s=21&t=mAo8jjszgfakL4B7IvTi7g

This accident is very hard to watch so don’t click it without this consideration. Very sad all-fatal accident concerning a Piper Navajo Chieftain air ambulance in Ecuador heading towards the modern metropolis of Guayaquil (>>>beautiful airport terminal incidentally, a lot of money put into the airport and city infrastructure which is kind of trying to be the Singapore of South America<<<) which is located in a low tropical region. At least one fuel starved engine started backfiring in relative silence, the aircraft seemed to slow and loose height then right wing dropped and it spun into the ground with engine(s) back roaring.

Likely a needless accident, but I read elsewhere that this aircraft has particularly tricky single engine performance and very decisive fast action needs to be taken to keep it flying. It seems the pilots only started to act during the resultant spin and it would have needed a good many hundred/thousand extra feet to hope to recover. The aircraft may or may not have been at its weight limit, although only 6 were aboard, but it may have been carrying lines of a medical ventilator, oxygen tanks etc.

Irish Steve · 08-04-2022 8:49pm

Most of the Piper twins of that era were very sensitive at low speeds, and required very positive and almost agressive handling in the event of an engine failure at low speed, the smallest of them, the PA30/39 had to be kept at a speed considerably above the landing speed until it was possible to guarantee landing without power, to cover the situation of an engine failure at low level, and being able to keep positive directional control.

The same situation applied on take off, it would unstick (the gear shape meant it was going to come off automatically) at around 65 Kts on the ASI, and for the same reason, it was a case of lower the nose, fly level in ground effect and accelerate to 91 indicated before climbing away and retracting the gear, the reason being that if an engine failed below 91 Kts, it was not possible to maintain directional control and climb away safely.

The Seneca and Navajo family were not as critical, but still required a very quick and positive response to avoid the sort of problem that was seen in the accident report above.

LiamaDelta · 12-04-2022 5:00pm

https://avherald.com/h?article=4f73f634&opt=0

Interesting, very close-call here. Unable to gain altitude after going around. Passed over houses at just 300ft. Only 102 passengers on board so could have been significantly more serious if it was a full flight.

TAP Air Portugal Airbus A320-200, registration CS-TNV performing flight TP-754 from Lisbon (Portugal) to Copenhagen (Denmark) with 102 passengers and 7 crew, was landing on Copenhagen's runway 30 at about 12:05L (10:05Z), when according to ADS-B data transmitted by the aircraft the aircraft veered to the left, the speed over ground reduced sharply from about 133 to about 120 knots, the crew initiated a go around, the aircraft however did not climb but also did not build up speed. With the airport perimeter and houses of the Maglebylille community in the way the aircraft began to slowly climb and crossed the first houses at around 300 feet AGL, the speed over ground further reduced to 101 knots. Once the aircraft had climbed to about 900 feet AGL (1700 feet MSL according to standard pressure 1013 hPa, deduct 800 feet from all transponder altitude readings to get to AGL according to QNH 986 hPa) airspeed began to build up again. The aircraft levelled off at 3000 feet MSL and thereafter accelerated to normal speeds. The aircraft subsequently positioned for another approach to runway 22L and landed without further incident about 20 minutes after the go around.

Topgear on Dave · 12-04-2022 9:02pm

Interesting? Bloody terrifying :-)

cml387 · 14-04-2022 11:22am

Very sad case in this month's monthly bulletin from the AAIB UK.

Extract from report:

At 0958 hrs on 10 September 2021, without permission from the operator or clearance from the air traffic radio operator, a student pilot took off from Rochester Airport in G-CFIO. The aircraft was later observed to enter a steep descent to the left before it struck the ground in a field adjacent to Tar Pot Lane near Ruckinge in Kent. The pilot did not survive the accident. Immediately prior to taking off, the pilot had reported over the aircraft radio that he had been diagnosed with a terminal illness and indicated that he intended to deliberately crash the aircraft. The pilot had not declared his diagnosis to the doctor who issued his aviation medical certificate.

Dilbert75 · 14-04-2022 2:37pm

That's horrendous. Tragic for a young person to get a terminal diagnosis but my sympathy is reserved for the poor emergency service personnel dealing with the aftermath.

JohnC. · 26-04-2022 7:10am

https://www.boards.ie/discussion/comment/118443756#Comment_118443756

FAA determined it was intentional and revoked his licence. Shame that's all that happened. He can even reapply in a year.

https://www.theguardian.com/technology/2022/apr/26/youtuber-deliberately-crashed-plane-for-views-faa

L1011 · 26-04-2022 3:23pm

https://www.boards.ie/discussion/comment/118926627#Comment_118926627

The deceased was 64, a bit more surprising of an age to do such a thing - younger would have made more sense (not that any of it made sense).

He apparently offered his bank details to pay for "damage" so presumably wasn't poor, retired college professor. Dignitas has a lot more, well, dignity to it and doesn't impinge on others.

Hotblack Desiato · 28-04-2022 6:31pm

his propeller stopped working

🙄

JohnC. · 29-04-2022 5:55am

A US family tried to bring an genuine unexploded bombshell onto a plane at Ben Gurion. They found it on the ground in the Golan Heights and wanted to bring it home as a souvenir. Caused a bit of a panic at check-in. Not the best minds at work here.

https://www.theguardian.com/world/2022/apr/29/panic-at-israeli-airport-as-us-family-packs-unexploded-bombshell-for-flight-home

Irish Steve · 02-06-2022 12:46am

The AAIU final report into the fatal crash of Bristell NG5 ‘Speedwing' G-OJCS in June 2019 has been released.

The link to the report is http://www.aaiu.ie/node/1625

It's a long report, over 130 pages, some of it very hard reading, and they made a significant number of safety recommendations after their investigation that require action by the manufacturer and the regulators in the country of manufacture.

There are 10 safety recommendations, some very critical both in terms of severity and in terms of significance, and they raise doubts about the certification and fundamental operation of this variant of the aircraft, as well as highlighting significant and dangerous errors in the manuals provided with the aircraft.

They also raise serious douts about the safety and validity of operating the aircraft without a ballistic recovery parachute, which is regarded as an optional extra, and it seems that there are some dangerous issues around the stall and recovery from the stall, and in this specific model variant, with no criticism of the occupants of the aircraft, who were not operating in a manner that was outside of the approved manouvers, during stall training, the aircraft departed from controlled flight in manner that resulted in a flat spin, which the pilot notes state "may not be recoverable", and to make matters worse, the C of G of the aircraft was outside of the rearmost limit, and it seems that something as insignificant as the thickness of the seat cushions was a contributory factor.

Errors in the Pilot operating handbook meant that the crew believed that they were operating within the approved C of G limits, but due to those errors, the C of G was outside of the rearmost limit, which is noted as being a serious issue when attempting to recover the aircraft from a stall.

One of the pilots was very well known in the aviation world, and was a long term personal friend, and his death came as a huge shock to me and many other people. I can only hope that the depth of the AAIU report will serve to ensure that no one else dies in this aircraft type as a result of the issues that brought this aircraft down.

Stovepipe · 02-06-2022 1:52pm

@Irish Steve, I knew him, too. Old colleague and friend and an excellent and thorough pilot and instructor. Glad to see that the AAIU shook the tree thoroughly on this one. Might wake a few people up. RIP JP.

Irish Steve · 02-06-2022 2:20pm

https://www.boards.ie/discussion/comment/119149131#Comment_119149131

Indeed, the frightening thing on reading the final report is that there are some very clear regulatory shortcomings that were a significant contributor to this accident, and I'd have to be more than concerned that given the clearly stated issues there has been no move to make the ballistic recovery parachute a mandatory requirement.

There were some very strong comments from some of the test flying that suggested that there are some issues around the size and effectiveness of the flight controls, depending on the exact configuration of the wing size, and sizing of the flight controls.

That's not something I expect to read about an aircraft that's been certified, given some of the other caveats that were already in place in the POH. if we were looking at an old design, then maybe the issues might have been acceptable, but this is a recent design. Hopefully, the manufacturers and regulators will respond appropriately to the report. We can but hope.

Lustrum · 24-06-2022 9:19pm

A bit of a crazy one here!

https://avherald.com/h?article=4fa8c6e9&opt=0

Its hard to figure out exactly what happened, but it certainly seems the controller has something to answer to aswell as the Italians

JohnC. · 08-07-2022 6:33pm

Eurocopter involved in maintenance on a French lighthouse had a close call. Just about recovered in time and activated the emergency floatation devices.

https://twitter.com/aviationbrk/status/1545077389625008129

Hotblack Desiato · 09-07-2022 12:14pm

😯 That's a "whole life flashing before your eyes" moment if ever there was one

Air Accident / Incident thread

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