Questions tagged [failures]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
3
votes
3answers
806 views

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 ...
23
votes
3answers
4k views

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, ...
4
votes
1answer
109 views

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 ...
2
votes
1answer
136 views

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.
2
votes
1answer
159 views

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?
1
vote
3answers
209 views

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 ...
2
votes
1answer
165 views

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 ...
1
vote
3answers
170 views

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 ...
16
votes
1answer
3k views

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°, ...
5
votes
2answers
320 views

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 ...
6
votes
3answers
1k views

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 ...
4
votes
5answers
2k views

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.
7
votes
2answers
2k views

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. ...
-1
votes
2answers
211 views

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 ...
2
votes
0answers
53 views

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 ...
3
votes
1answer
124 views

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".
4
votes
1answer
419 views

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?) ...
7
votes
2answers
5k views

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).
6
votes
1answer
2k views

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 ...
30
votes
2answers
6k views

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 ...