Questions tagged [aircraft-operations]

For questions about the processes and procedures used when operating aircraft

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5
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2answers
186 views

What is the typical pilot to aircraft ratio in military squadrons?

On aviation.SE, we already find this question addressing the pilot to aircraft ratio in airlines. It states that typical big airlines have roughly between 15 and 20 pilots per aircraft. Military ...
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1answer
102 views

Why would larger aircraft have higher crosswind takeoff and landing limits than smaller aircraft?

In a response to an earlier question about the paucity of runways at major British airports, a major theme was that the advent of larger, heavier aircraft with higher maximum-crosswind limits for ...
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2answers
101 views

What is the purposes of grid-like pattern route for small aircraft? [duplicate]

In these days, I see small aircraft like P68 fly with a very accurate "grid-like" pattern. I'm sorry but I don't know the correct word. Here a couple of examples, grabbed today at the same time: and ...
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1answer
129 views

Why do pilot and GPWS approach callouts say “minimums” instead of “minima”?

A safe instrument approach requires a number of callouts along the way; two of the most important come fairly late in the approach, first to alert the pilot flying that the aircraft is approaching the ...
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1answer
134 views

Why are the affected engine's bleed and pack switched off when there is an engine bleed under MEL?

My question mainly pertains to A320neo's equipped with PW engines. The MEL procedure states that the crew has to switch off the affected side's engine bleed, and its associated pack pushbutton to off. ...
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0answers
67 views

How often is a commercial (airliner) flight flown without autopilot? [duplicate]

When it comes to commercial flights, I am aware that once the aircraft has reached a certain altitude, the autopilot activates and assists the pilots in flying the aircraft. It makes being a pilot on ...
4
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1answer
233 views

Why is engine #1 still used when taxiing with one engine?

According to the answer in this post Taxiing with one engine: Is engine #1 always used or do they switch? Engine #1 is used because it pressurizes the green HYD system which powers the Nose Wheel ...
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0answers
102 views

Why does enabling engine sync on the MD-80 series trigger the “Master Caution” light?

I fly in a consumer PC flight simulator. Among my virtual fleet is a fairly faithfully-reproduced MD-83. One fairly strange detail I noticed is that enabling engine sync (either on N1 or N2) in the ...
4
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1answer
173 views

Why can’t the F28 be deiced with one or both engines running?

Recently, I was contemplating Air Ontario Flight 1363, which, despite heavy, wet snowfall while it was on the ground at CYHD, could not be deiced before takeoff, as it arrived bearing an inoperative ...
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1answer
169 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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68 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 ...
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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
402 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
226 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
224 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
204 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?
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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
126 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
89 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 ...
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2answers
1k 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 ...
3
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1answer
266 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
345 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,...
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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
129 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
314 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
168 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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1answer
102 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
344 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
362 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 ...
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0answers
94 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
62 views

What is Squawk on radar tracking websites? [duplicate]

I have been noticing squawk on virtual radar, anyone have any idea what this is?
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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
624 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
202 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....
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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
132 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 ...
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1answer
387 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 ...
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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
1k 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 ...
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3answers
13k 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
5k 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 ...
149
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3answers
42k 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 ...
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1answer
634 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
217 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?
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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 ...
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2answers
971 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 ...