Questions tagged [aircraft-operations]

For questions about the processes and procedures used when operating aircraft

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1answer
60 views

How does a DC-10 flight engineer manually raise the cabin altitude?

Reading into Federal Express Flight 1406 and I noticed when the flight engineer said he was raising the cabin altitude “manually” I assume this has something to do with cutting off the oxygen, but how ...
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0answers
59 views

Was the redesigned version of the One-Eleven's APU ever reapproved for inflight use?

The BAC One-Eleven, like most jetliners, has a turboshaft APU mounted in the tail section of the aircraft, which is mainly used on the ground, but, originally, could also be used during flight at ...
20
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2answers
9k views

Why do flight attendants on the 787 lock the dimmable windows at different phases of the flight?

I’ve heard of many passengers complaining about the FAs locking the dim setting at different phases of the flight. Seems to be something the passengers definitely don’t like. And the passengers cannot ...
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2answers
300 views

How much thrust is applied in a 737 to achieve taxi speeds?

I'd imagine not much, but maybe none? I wouldn't be surprised if the plane moves forward without brakes alone.
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1answer
181 views

Who would be allowed to operate with no navigation lights over a populated area?

I know little about aircraft, FAA or FARS, but I've tried to research something I saw one evening without much success. I was hoping an expert could chime in. One evening, while watching for ...
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1answer
163 views

Do MD-11 pilots ever use flaps 50?

I'm curious if there is ever a purpose to use full flaps like that? Was it a bit of an overkill?
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1answer
181 views

How to find the remaining fuel without electrical power on the MD-80?

After a flight, how to find the remaining fuel without electrical power (even the APU) on the MD-80?
46
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3answers
9k views

Why aren't flights continued after losing a tire on rotation?

I have read about a lot of incidents where airplanes lose one of the tires on rotation, yet they cancel the flights and go back for an emergency landing at the departure airport, risking overweight ...
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0answers
114 views

How much N1 difference between two engines are acceptable?

While I was flying with 10+ year Airbus 320, IAE engine with EPR, I saw a constant difference between N1 parameters around 2%. I checked the Engine Hours and Engine Cycles that they are almost the ...
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0answers
86 views

What were the typical rotation and landing speeds of the X-29?

Looking online through all the available literature, I could not find the typical rotation ($V_r$), landing or even stall speed of the experimental forward swept wing X-29 aircraft. I'm curious to ...
14
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2answers
990 views

What would be the challenges to taking off and landing a typical passenger jet at FL300?

Suppose it was somehow possible build a runway at FL300. Yes, doing so would be incredibly expensive, and it would be a mammoth civil engineering task, and the downsides would probably by far outweigh ...
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1answer
196 views

Can a Bombardier CRJ derate the takeoff thrust?

I have recently been flying a Bombardier CRJ 700 in a simulator and wondered how to derate the engines for takeoff. I know how the takeoff thrust derating is selected in Airbus and modern Boeing ...
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4answers
331 views

What accidents have had crew accustomization to warnings among their causes?

A non-answer on this question claimed that: the idea that maneuvering with the stall warning activated will somehow damage us, causing us to ignore its warning when the chips are down and AOA is up,...
14
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4answers
4k views

Are glider winch launches rarer in the USA than in the rest of the world? Why?

I had heard before that winch-launching gliders was a relatively rare practice in the USA, while quite common in the rest of the world. My data is mostly anecdotal, but I do know gliding clubs in ...
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2answers
122 views

Can jetliner pilots program departures when specific RNAV procedures do not exist?

Can commercial pilots (e.g. 737 and 737 Max) program departures into their on-board GPS navigation system for the first portion of a flight that doesn't have specific RNAV procedures?
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1answer
220 views

Why limit the bank angle to 10° when passing through FL300 on a B737-800?

When passing thought FL300, we are instructed to set the bank angle limiter on the MCP to 10°. I know one of the reasons for this is that we are thrust limited so maneuver capability decreases. Are ...
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3answers
163 views

How can I best prepare for my first lesson on stalls? [closed]

I am a flight student preparing to practice stalls and stall recovery in a Tecnam P-2002. I have already done spin recovery. On top of that, what preparation techniques have others found useful?
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0answers
79 views

Do cargo aircraft need an AOC?

Is it just commercial operating aircraft flying paying passengers that require an air operators certificate (AOC) or do cargo operators require one also?
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1answer
322 views

Is there a way for pilots to report difficulties and challenges experienced during a flight, to the next flight crew?

My question is reflected in the title - is there an official, international system for commercial pilots to report difficulties and challenges faced during a flight to the next and future crew? ...
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1answer
347 views

How do stealth aircraft operate from rough or contaminated fields without ruining their paint jobs?

While thinking about the MiG-29’s dedicated rough-field intakes, I started wondering about rough-field operations for other types of combat aircraft, and, naturally, since most new combat aircraft ...
2
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0answers
92 views

How was the navigation managed on jetliners before having programmable routes?

This in-flight photo provides a look into the pre-FMS era (also pre-INS), i.e., not having a programmable route. How was the navigation managed back then? (Question limited to 2-crew jetliners, or ...
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0answers
60 views

What is Squawk on radar tracking websites? [duplicate]

I have been noticing squawk on virtual radar, anyone have any idea what this is?
23
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6answers
4k views

Is there a tank priority sequence for using the fuel tanks?

Is there a tank priority sequence for using the fuel tanks, or does the pilot decide?
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1answer
1k views

When do pilots perform a CAT II/III autoland?

If I understand correctly in good, visual weather get conditions airline pilots generally do ILS CAT I, when at some point they disconnect autopilot at some point and land manually. If the visibility ...
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1answer
519 views

Why can't pilots manually fly a low visibility approach instead of using auto land?

Pilots have instruments that help them land. But in low visibility they are required to use auto land. Why can't they rely on their instruments at those times?
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2answers
198 views

What was the first control room--used for flight test--established in aerospace history?

The control room for space missions in Houston is probably the best, most widely known example of a control room. It is an operations center used in support and execution of flight and space missions....
26
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4answers
10k views

What time zone is used for operating an airplane?

This might be a silly question but my thinking was the following: There has to be a definition of time in an airplane for the logging of data and so on, but what definition would that be assuming a ...
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1answer
131 views

How to navigate at night after a complete navigation systems failure? [duplicate]

How do pilots deal with incorrect navigation readings at night? How do they know where to fly? At low altitude do they have to know the shapes of cities and villages? At high altitude and speeds over ...
2
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1answer
351 views

Why don't the ATR 42's propellers start/stop rotating simultaneously?

Why is it that for the ATR 42 one of the propellers begins to rotate before of the other? I've noticed that they also stop rotating at different times. Is there a reason for that or is it just for ...
35
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6answers
8k views

Why can't the A320's computer-imposed limits be overridden?

Under the investigation section of US Airways Flight 1549, it is noted that [The pilot] asserted that insufficient credit was given to the A320's fly-by-wire design, by which the pilot uses a side-...
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4answers
1k views

Why would the Speedbrake be required for such a long time on approach? [duplicate]

As far as I was aware, the Speedbrake is designed to slow the aircraft down. On landing, I do understand why they are required. Once the aircraft has hit the tarmac, they are deployed to 1) slow the ...
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2answers
953 views

What is the risk of leaving the MAN START PB 'ON' on the A320?

During a manual start on a A320, the ENG MAN START P/B opens the start valve which then runs the starter motor. During the MAN START process, at some point, the start valve closes automatically. What ...
8
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3answers
11k views

How are engines numbered?

On a commercial aircraft, the number of engine is usually 2, 4 or 6. When the technician or LAE was given task to inspect an aircraft engine no 2 on a 4 engine aircraft. Which engine would they go to? ...
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1answer
4k views

What is the difference between a Stand and Gate in Airports? How do they differ ?

I have seen Aircrafts having been assigned a Stand and Gate, So wanted to know whether the stand and gate are same physical location of airport or they are different but have link between them.
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4answers
5k views

Can an airplane engine fire be extinguished without shutting down the engine?

Airplane engines catch fire from time to time (and are falsely reported as being on fire even more often). In a modern airliner, the "fire handle" shuts down the engine, closes the fuel pipe, and ...
146
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3answers
41k views

Why does XKCD say that autogyros will crash if the pilot reacts to a stall as in a normal airplane?

This recent XKCD comic is all about autogyros. Image is copyright XKCD, licensed under CC 2.5 BY-NC The note at the bottom is what got my attention Extremely safe, unless you do the one thing you ...
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2answers
2k views

Why are parking brakes not used for parking jetliners?

From the question 'Do I Set the Parking Brake On the Ramp?' it is concluded that you do not set the parking brake when parking the aircraft. The question concerns small aircraft which can be parked ...
3
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1answer
559 views

Do Airbus aircraft fitted with ACT have additional fuel system controls?

Do Airbus aircraft fitted with ACT (Additional Center Tank) have a push button that controls the fuel transfer to the main center tank? If yes, where is it located?
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2answers
201 views

How do partial- and full flaps compare for gusty approaches?

From an aerodynamic aspect, how do partial flaps and full flaps compare for gusty approaches?
4
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2answers
2k views

Why do pilots cut the reverse thrust below 40 km/h?

In a Microsoft Flight Simulator 2004 Boeing 747 landing tutorial, it was said to cut the reverse thrust after decelerating to 40 km/h. What happens if that was ignored all the way to a complete stop? ...
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3answers
5k views

What are the effects of a rejected takeoff?

When a pilot is abandoning a take-off, what are the effects on the aircraft performance? Can a pilot vacate the runway normally or is extra time on the runway needed? Is immediate assistance provided ...
4
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2answers
900 views

Does a “take-off” assist make sense for electric aircraft?

There is already a good answer that talks about how a catapult provides virtually no benefit for fuel-based aircraft. However, I'm wondering if the same answer is true for electric planes? For ...
4
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1answer
202 views

What are the trim settings on ferried aircraft?

Sometimes an aircraft or spacecraft is ferried on top of a carrier aircraft. Do these "piggy back riders" have their flight surfaces controlled (possibly remotely) during the flight? If not, how are ...
4
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1answer
3k views

Is the A320 family allowed to take off with the flaps retracted?

Is it legal for the A320 family (A318, A319, A320 and A321) to take off without flaps? An answer to this question states that the A300 can take off without flaps. On the other hand, the 737 family of ...
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3answers
1k views

How often is QFE set on an altimeter during flight?

In countries that use QFE rather than QNH (such as China), how often will a pilot set the QFE setting on their altimeter during flight? Is it only when they intend to land at an airfield, or does it ...
11
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1answer
923 views

How do I pay fees if I don't even land at the airport?

So let's say I'm going from Wellesbourne (EGBW) to Coventry airport (EGBE) and at Coventry I do 1 ILS approach and go missed and return back to Wellesbourne. Even though I never put a wheel on EGBE ...
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4answers
2k views

What is flight inspection, as provided by Cobham Aviation Services?

At about midnight, I saw a small plane (a Diamond Twin Star) take off from Heathrow, on flightradar24. It then proceeded to fly in irregular loops around North London, at low altitude, 1700ft. The ...
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2answers
903 views

Is the Brodie landing system still in use somewhere?

The Brodie system was a method for taking off and landing without a runway, circa 1945. The landing or taking off aircraft was hung on a wire held at the appropriate height: From PhotoBucket, ...
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2answers
944 views

Can planned runway closures prevent a plane from leaving an airport?

I was on a flight recently where, due to the long runway at my airport being repaired, we had to fly to another nearby airport to get enough fuel for the rest of our trip. We couldn't take off with ...
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1answer
180 views

Why is everything in aviation written in abbreviations? [duplicate]

please tell me if there is already a duplicate, I could't find one. Why is like everything in aviation written in abbreviations? ACARS Message: /WND 275057/MCH 81/TRB LT CHOP /SKY UNDERCAST/ICE ...