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Worst single-plane disaster ever was 41 years ago - Special Thread August 12 1985: Japan Airlines Flight 123, a B-747, crashes in Gunma (Japan). 4 survivors, 520 dead: worst single-plane disaster ever. Explosive decompression severely damaged the tail and hydraulics, severely damaging controls. Cause: improper repairs to rear bulkhead...

326,878 görüntüleme • 1 gün önce •via X (Twitter)

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49 years ago today: America´s worst air disaster May 25 1979: American Airlines Flight 191, a DC-10, crashes on takeoff from O'Hare (Chicago, US). All 271 aboard plus 2 on the ground die, the deadliest airliner crash in US, a figure only surpassed by the 9/11 terrorist attacks. On take-off, the engine separated from the wing due to improper maintenance, damaging hydraulics, and causing loss of control, as detailed below. Specifically, it was determined that during takeoff rotation, the No. 1 (left) engine separated from the left wing, flipped over the wing, and landed on the runway. The separation severed the hydraulic lines that lock the leading-edge slats in place and damaged a 3-foot (1 m) section of the left wing’s leading edge. Aerodynamic forces then caused an uncommanded retraction of the outboard slats. As the aircraft climbed, the damaged left wing generated substantially less lift than the right wing, whose slats remained deployed, and the engine provided full takeoff thrust. The resulting aerodynamic imbalance produced an abrupt left roll to a 112° bank angle—partially inverted—before the aircraft crashed in an open field adjacent to a trailer park near the runway’s end. The engine separation was caused by structural damage to the pylon, resulting from improper maintenance procedures at American Airlines, which are detailed in the thread below 1/6 ⬇️ 🧵 Video – Plane N´ Boom (animation from Mayday ACI series)

Francisco Cunha

404,713 görüntüleme • 2 ay önce

Staines air disaster was 54 years ago June 18 1972 - BEA Flight 548, a Trident, crashes in Staines (England). All 118 aboard die, the worst air disaster in the UK. After takeoff, lift devices were prematurely retracted, inducing a superstall and loss of control. Factors: crew actions, F/O inexperience, Captain´s heart issues. The accident occurred as the aircraft entered a deep stall during the third minute of flight, and descended steeply before crashing into the ground, narrowly missing a busy main road. The public inquiry primarily attributed the accident to the captain’s failure to maintain adequate air speed and to correctly configure the high-lift devices. It also cited the captain’s undiagnosed heart condition, the co-pilot’s limited experience, and an unspecified technical issue that the crew had apparently resolved before takeoff. The accident occurred amid an impending pilots’ strike that had strained relations between crew members. The strike had also disrupted services, resulting in Flight 548 being loaded to its maximum allowable weight. The inquiry’s recommendations led to the mandatory installation of cockpit voice recorders (CVRs) in British-registered airliners. It also recommended greater caution before permitting off-duty crew members to occupy flight deck seats. Some observers considered the inquiry to be unduly biased in favour of the aircraft manufacturer. More details on thread 🧵 ⬇️ 1/7

Francisco Cunha

50,856 görüntüleme • 1 ay önce

This is probably one of the best known segments of gun camera footage depicting a B-17 interception and has been featured in countless documentaries, but the raw footage is worth examining in detail in its entirety. 0:00 As the Bf 110 pilot fires an initial burst, ineffective due to insufficient deflection, puffs smoke can be seen coming from the bomber's ventral ball and tail turrets as the gunners return fire. This fails to dissuade the attacking pilot who continues to approach his target. In the distance the main bomber formation can be seen. The combat box was no doubt an effective tactic in terms of maximizing firepower and protection, and there was a significant effort made to break up these formations, such as for example using Werfer-Granate 21 rockets. The Luftwaffe used a system of points to award decorations on the Western Front detailed below and it's worth noting that the "Herausschuss" - for example damaging a B-17 sufficiently that it would separate from the formation - is given the same value and shooting down a single-engined fighter, this gives some idea of its importance and what a challenge it was considered to be. Downing a four-engined bomber already separated from the formation was less laudable than separating it in the first place as can be seen below: - Abschuss (Destroyed) Single-engined plane destroyed: 1 point Twin-engined plane destroyed: 2 points Three-engined plane destroyed: 3 points Four-engined plane destroyed: 3 points - Herausschuss (Separation) Twin-engined plane damaged: 1 point Three- or four-engined plane damaged: 2 points - Endgueltige (Final Destruction) Final destruction of a damaged twin-engined plane: 0.5 point Final destruction of a damaged four-engined plane: 1 point For some reason, perhaps due to previous damage or mechanical trouble, this particular B-17 was unable to keep up with the rest of the squadron and has therefore found itself singled out for attack. Even as the footage starts there appears to be some damage around the top of the vertical stabilizer. 0:22 As the Bf 110 settles on the B-17's 6 o'clock, the tail gunner continues to return fire with no apparent effect. The attacking pilot also pulls the trigger and starts landing concentrated hits on the B-17 with debris flying off. This illustrates the mechanism by which the German high capacity "Minengeschoss" shells were effective. Unlike armor piercing incendiary projectiles that needed to strike critical components like engines, fuel tanks and crew members in order to being an aircraft down, these explosive shells would detonate within a few inches of penetrating the aircraft skin and blow off parts of the aircraft structure itself, either making it unflyable or tearing open fuel tanks beyond what self-sealing systems could protect against. Judging by the footage the shells are from 20mm cannon, with the high explosive rounds each containing almost 20 grams of high explosive. At the 30 second mark a shell impacts the wing outboard of the #4 engine and the size of the hole made by this single impact is clearly visible. There is a good number of strikes landing around the tail gun position but it still appears to fire briefly, then falls silent after a couple of further cannon shell impacts by about the 40 second mark. 0:53 The ventral ball turret starts to rotate with the guns pointing straight down as another burst of cannon fire hits the aircraft in the #3 engine nacelle and wing root. This is the position the ball turret would need to be in for the gunner to exit his post and enter the fuselage. It is possible that he was preparing to bail out. At the one minute mark a shell impacts the ball turret directly and blows off a panel. A small fire has also started in the trailing edge of the port wing. 1:08 Now at point blank range, the Bf 110 pilot continues to rake the bomber with cannon shells, walking his fire across the fuselage and port wing. The bombers engines appear to continue functioning and from this angle the shells would be detonating in the aircraft structure well before reaching them. As the Bf 110 closes in the damage to the B-17 becomes more apparent. The rear fuselage and starboard wing are riddled with holes and the starboard horizontal stabilizer is in tatters. The tail gunner's bullet resistant window appears to have been shattered by a direct hit. The port waist gun hangs upwards as it would if no one was holding it, although there does appear to be some movement on the starboard gun. With the attacking fighter having been able to approach to bomber at such close range with impunity, it is clear that the gunners are either dead or incapacitated. It's also worth nothing that the Bf 110's rear gunner would have been equipped with a MG 81 Z twin-barreled 7.92mm machine gun with a rate of fire of over 50 rounds per second, and he would doubtless have taken the opportunity to add to the B-17 crew's misery as his aircraft overtook the bomber. Unfortunately the exact date and location and therefore the identity of the crew involved appears to have been lost to history, but this remains one of the most harrowing gun camera clips ever filmed and a poignant illustration of the horrors young men faced in the skies over Europe during the Second World War.

hw97karbine

380,876 görüntüleme • 9 ay önce

Another mysterious death connected to the CLINTONS. The one person who disagreed with the Warren Commission on JFK's assassination who just happened to "dissappear" was last seen and driven to the airport by BILL CLINTON. U.S. Representative Hale Boggs disappeared in an airplane crash in Alaska on October 16, 1972. He was a member of the Warren Commission, where he reportedly had doubts about the official "single bullet theory." The plane vanished during a flight from Anchorage to Juneau, Alaska, amid poor weather conditions on October 16, 1972. Passengers: Besides Boggs, the twin-engine Cessna 310 carried Alaska Representative Nick Begich, Begich's aide Russell Brown, and the pilot Don Jonz. A 39-day search effort, the largest in American history at that point, was conducted, but no trace of the plane or its occupants was ever found. The National Transportation Safety Board (NTSB) report cited no probable cause but noted the pilot lacked a required emergency locator transmitter (ELT), and the weather was poor. The incident influenced the adoption of the ELT requirement in 1973. Both Boggs and Begich were posthumously re-elected in November 1972. Boggs was officially declared dead on December 29, 1972, and his wife, Lindy Boggs, was elected to his seat in a special election. Hale Boggs served as a member of the President's Commission on the Assassination of President Kennedy (Warren Commission) from 1963 to 1964. While the final Warren Commission report was signed unanimously by all seven members, three members expressed significant doubts and did not fully agree with all of its conclusions, particularly the "single-bullet theory" and the finding of no conspiracy. One of those people was Hale Boggs. Documents and reports suggest Boggs privately dissented from the commission's single-assassin conclusion, specifically expressing "strong doubts" about the "single bullet theory" and that the FBI and CIA were involved in a cover up and that Oswlad was helped or encouraged. Despite his initial doubts, he publicly defended the commission's final report in a 1966 television appearance, stating that the evidence indicated Kennedy was shot from behind and that the single bullet argument was "very persuasive." In April 1971, Boggs publicly criticized FBI Director J. Edgar Hoover and the FBI accused them of "the tactics of the Soviet Union and Hitler's Gestapo" and demanding Hoover's resignation. Boggs disappearance and his disagreement with the findings of the Warren Commission have led to various theories in his disappearance. But nothing was ever found to determine what really happened. One thing is for sure, Lydon B. Johnson and the Clintons were some of the most corrupt individuals to ever serve in our government. Lyndon B. johnson is said to be connected to JFK assassination, and the Clintons are allegedly connected to over 100+ mysterious deaths... and counting.

The SCIF

34,849 görüntüleme • 8 ay önce