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« Descending through the clouds, trusting nothing but our instruments. Slowly decelerating, selecting flaps on schedule to create the perfect combination of drag and lift from the massive wings far behind my cockpit. Gear down: the enormous garage doors of the main landing gear open up, and I can...

28,519 次观看 • 10 个月前 •via X (Twitter)

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Why the 737 landing gear lever has an “OFF” position ✈️ It’s a question I get asked quite often and understandably so! “OFF” isn’t a logical position for the landing gear! The landing gear is retracted into the belly of the aircraft using hydraulic pressure. Once the gear is fully up, mechanical uplocks hold the gear safely in position. However, with the lever in the UP position, hydraulic pressure is still being applied to the system. This is unnecessary now that the gear is being held up with mechanical latches and places extra demand in the hydraulic pumps. So, once the gear has been retracted, the pilots will move the gear lever from UP to OFF as part of the after takeoff checklist. This simply removes hydraulic pressure from the retract lines. When the pilots configure the aircraft for landing, we move the landing gear lever from OFF to DOWN. This action releases the mechanical up locks and the gear is lowered using a combination of hydraulic pressure, gravity and air loads. Once the gear is fully down and locked, a green light - one for each set of wheels, will illuminate. Should the primary gear down sensors fail, we have a second set of green, gear down indicators on the overhead panel. As long as the gear is indicating down and locked on either the primary or standby indicator, the gear is down and locked and safe to land on 👍 In the very unlikely event that the gear won’t lower normally using the landing gear lever, we have a standby gear lowering system which allows the crew to manually release the gear uplocks and allow gravity to lower the gear - see my reel showing that system in operation . With airlinepilotperformance

aircraftmaintenancengineer

19,786 次观看 • 3 个月前

Remember the C-130 crash in Colombia a month ago and killed 24 and left 43 injured? News reports indicated the pilots were arrested after the preliminary report came out. Given the outcome, the preliminary report pointed to pilot actions, along with runway conditions and weather, underlining there were no mechanical issues with the aircraft. Key findings from the investigation include: No mechanical failures contributed to the accident. The aircraft departed Viru Viru bound for El Alto. Weather conditions at the destination deteriorated en route, with storms and hail reported, but the crew received no weather updates. On arrival at El Alto, the crew was cleared to land on runway 10. Due to convective activity on that runway, they opted to approach runway 28 instead. Runway 28 is located at 13,300 ft elevation, measures 4,000 m in length, and has a negative gradient of 1.55%. METAR data indicated winds between 050°/10 kt and 360°/08 kt. According to the Investigators, the approach was conducted above the glide slope and at excessive speed. The aircraft touched down on the nose gear only, approximately 1,200 m beyond the threshold. Without compression of the main landing gear struts, the brakes and thrust reversers remained unavailable. Once the main gear touched down, the aircraft entered a section of runway contaminated by hail and slush, resulting in hydroplaning in the final third of the runway, an overrun, and the accident. Info - Aviation today

Francisco Cunha - ✈️ Aviation et al

693,808 次观看 • 5 个月前

WHY DOES THE BOEING 767'S MAIN LANDING GEAR TILT FORWARD? If you watch the Amazon Prime Air Boeing 767 coming in to land, you may notice something about its main landing gear: the bogies are tilted forward. This is part of the 767's landing gear design. The forward tilt means the front wheels of the main gear contact the runway first, followed by the rear wheels as the bogie levels out. This helps cushion the touchdown, distribute loads progressively, and reduce stress on the bogie structure. During development, the 767's touchdown behavior showed a tendency for forward pitching. The forward-tilted bogie helps counter this motion as the gear settles and the rear wheels come down. But the design is mostly used to fit in the gear bay to make the best use of the space. When retracted, the 767's landing gear geometry allows the bogie and wheels to fit efficiently inside the undercarriage bay, making the best possible use of limited space around the aircraft's keel beam and surrounding systems. The 767 is distinctive among Boeing aircraft in this respect, but forward-tilting main gear designs are not unique. The Airbus A350 and A380 also use forward-leaning bogies, while the A340-600 combines different orientations on its various landing gear assemblies. In a nutshell, that nose-down tilt you see on approach is exactly how the Boeing 767 was designed to land: front wheels first, bogie rotating level, then the rear wheels settling onto the runway. A video from PDX Aviation shows [N1997A], the same aircraft involved in yesterday's accident, landing at Portland Airport.

Turbine Traveller

89,575 次观看 • 1 个月前

The National Transportation Safety Board said on Tuesday that evidence recovered from the ​Amazon Prime Air 767 flight data recorder suggested the pilots considered aborting the landing ‌after the aircraft touched down. The NTSB said ⁠30 seconds before the end of the flight data recording, the nose landing gear and ​right main landing gear touched down on the runway at a speed of 158 knots (181 ​mph), while 19 seconds before the end of the recording, the left main landing gear touched down at a speed of 134 knots. A few seconds later, the brakes were released and the throttles were increased to ​values consistent with go-around thrust, indicating a late attempt to abort the landing and ​get back in the air. But 11 seconds before the end of the recording, throttles were reduced to idle ‌power ⁠and brakes were reapplied. The final ground speed was 65 knots at the end of the recording. The NTSB said there was no indication in the recorded data that speed brakes or thrust reversers were deployed to help slow the plane. NTSB Chair ​Jennifer Homendy told reporters that investigators would interview both of the pilots on ​Wednesday and then release details from the cockpit voice recorder. Homendy is leading a team of 32 ​investigators at Miami International ​Airport. She said ⁠the NTSB was able to release one of two runways closed since the accident to allow for departures from an easterly direction late ​on Tuesday. The Amazon cargo plane was on its third flight of ​the day, coming ⁠from San Juan, Puerto Rico. It had flown from Cincinnati to Miami and from Miami to San Juan earlier on Sunday before the crash at 1:53 p.m. EDT (1753 GMT). The captain, 55, ⁠received his ​type rating for the 767 in May and has ​7,145 hours of flight time, while the first officer, 37, received his type rating on the 767 in April ​2025 and has 2,655 flying hours, the NTSB said.

Breaking Aviation News & Videos

424,103 次观看 • 1 个月前