Questions tagged [failures]
The failures tag has no usage guidance.
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What would happen to the aircraft and its control surfaces immediately after the loss of all hydraulics?
In cases like the DHL shoot-down in 2003 or the Sioux City crash, both aircraft lost all of their hydraulics because of a catastrophic failure of aircraft structure.
What would happen if the aircraft ...
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Is an autopilot failure an emergency?
If the autopilot of an airliner fails, but everything else still works, weather conditions are good, and the pilots are able to hand-fly the plane with no problems, is this an emergency? Would they ...
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Can a commercial aircraft fly at night with complete navigation and communication equipment failure?
Disclaimer: I know there are numerous redundancies and the complete failure of navigation and communication system may not be possible. Hence, let's approach this question as a pure thought experiment....
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Do aircraft have backup systems to trim when they don't have trim wheels?
What happens if the motor that trims the elevator of an airplane fails and there are no trim wheels in the cockpit (like in the Boeing 747). Is there a backup system or hidden trim wheels?
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Why is training regarding the loss of RAIM given so much more emphasis than training regarding the loss of SBAS?
I've noticed a lack of subject matter on the loss of SBAS as compared to RAIM.
In the ACS there is mention of RNP, SBAS (WAAS), and RAIM, which are all related, but the available content for RAIM and ...
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What would cause a non-zero indicated airspeed reading on the ground?
What kind of failure would cause an indicated airspeed of say 200 knots on the ground (stationary)?
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How does a failed turn and slip indicator behave if the gyro isn't spinning at all?
I have my own theories, but I have never experienced a turn coordinator or turn and slip indicator's gyro failing first-hand.
If the gyro isn't spinning, would the instrument behave like a weak ...
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In an engine failure, should I expect less range than with the engine in idle?
I fly a C172 (fix pitch propeller) and when my instructor and I practice a simulated engine failure, we do not turn off the engine, instead we set the engine to idle.
In an actual engine failure, ...
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Why do ADS-B outages occur without simultaneous RAIM outages?
If you check the ADS-B prediction tool and the RAIM prediciton tool on SAPT.FAA.GOV you will see far more ADS-B outages.
What causes ADS-B outages to occur at different times than RAIM outages? Are ...
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Can a 737NG still fly when every single electric run device/system is dead?
So, as my title suggest, I wonder if the 737NG can still fly without any of it's electric run systems, which means anything that runs on electricity is dead.
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Has a flight data recorder or cockpit voice recorder ever failed in an accident?
Has there been a time either during an aviation accident or during normal flight where the flight data recorder or the cockpit voice recorder devices failed or the data was significantly corrupted?
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What are some common aileron failures?
There are a few parts to the control system for an aileron in a light aircraft, such as the rods, bellcrank, cables, chains etc. What are the main reasons for aileron failures and what parts wear the ...
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Do all Bombardier jets have manual reversion?
Whatever CRJ 700 or Learjet 35A/45XR.
Do these aircraft have full manual reversion? Can you operate the flying surfaces in a hydraulic failure?
These aircraft are very small – even ...
- 3,957
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Why/how is a downplane parachute configuration aerodynamically stable?
One of the most dangerous situations possible in skydiving is a so-called downplane, where both the main and reserve chutes deploy, and they shift outwards to the sides of the parachutist until ...
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What happens to Cessna electric flaps that are moving when power is lost?
On final in a C182T you move the flap control arm from 20 to FULL, and when halfway there, the breaker pops (or BUS1 fails, a wire falls off, etc.)
Does the flap stay where it is, slide back to 20°, ...
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Can the 737 Max autopilot be engaged when some sensors have failed?
If some instruments on the 737 MAX 8 fail on the Captain's side and autopilot stops, can the First Officer engage autopilot (as the instruments on his side are fine)? In the ET 302 crash the Captain ...
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Nose gear failure in single prop aircraft: belly landing or nose landing?
Let's say we are flying a single prop airplane with tricycle format retractable gear, such as a Mooney Bravo or a Piper Comache. The nose gear fails mid-flight and is unable to be lowered. Is it safer ...
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What does the Airspeed indicator show when your pitot tube is blocked?
So the question in the topic.
I want to clarify whether the speed indications is maintained or go to 0.
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How to handle vacuum and turn coordinator failure in IMC?
I just earned my FAA instrument rating and a considerable amount of time was spent training partial panel. This meant flying with no vacuum gyro instruments - attitude indicator and directional gyro. ...
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Are there any failure-proof instruments on commercial airliners? [closed]
Let's assume worst case scenario - nighttime over the ocean, complete vacuum failure, perhaps complete electrical failure (in a "fly-by-pulley" plane perhaps), or at least avionics failure.
Is there ...
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What pose is best for to assume before hitting the ground for survival after failed parachute? [duplicate]
The title says it all. Assuming one is falling down on a hard perpendicular surface after reaching terminal velocity, what pose provides the highest chances of survival?
My guess would be one of the ...
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How many landings per year are performed using the integrated standby instrument system?
Could you tell me how many landings are exclusively driven by Integrated Standby Instrument System or equivalent in the world per year ?
Same question with "partially" using instead of "exclusively".
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How should a helicopter pilot react after V-belt breaking?
I have a question concerning the V-belts of the Robinson R22 (or R44) breaking in-flight. When they break, the rotor RPM will drop and the engine will tend to overspeed. (Is this actually correct?) ...
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How common is engine failure?
What are the failure rates for piston, turbine, and jet engines? (If more subdivisions of "engine" are necessary to make the data useful, please point them out).
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Can a vacuum cleaner create sufficient vacuum to operate the artificial horizon?
Inspired by this question about breaking the glass of instruments, I was wondering if a sufficient level of vacuum can be achieved by using a vacuum cleaner on the inlet, or simply sucking through a ...
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Can instruments be fixed via a swift punch?
I remember reading a book about private piloting techniques, (I can't remember the title; it has been so long; perhaps I can check my library history or something to see later), and I saw something ...
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