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Questions tagged [aircraft-operations]

For questions about the processes and procedures used when operating aircraft

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2 answers
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Flying a half-empty aircraft

I found this in the USITC website "In 2020, air freight experienced two different, but related impacts associated with the COVID-19 pandemic. The first, and most significant, impact was a sharp ...
user9951600's user avatar
7 votes
2 answers
3k views

How does aircraft valet parking work?

The World Economic Forum is in full swing in Davos. The world's Rich & Beautiful are all GA-flying into ZRH, which is not one of the world's largest airports, and continuing on via helicopter or ...
Stephan Kolassa's user avatar
7 votes
2 answers
946 views

Could the Lightning's overwing fuel tanks be safely jettisoned in flight?

The English Electric Lightning could be equipped with removable overwing external fuel tanks (I believe the only aircraft ever built with this feature). English Electric Lightning F6 source Were they ...
Party Ark's user avatar
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2 votes
1 answer
215 views

Can ski-equipped aircraft land on a conventional runway?

These two aircraft operate in the Antarctic: the image shows their undercarriage adapted for the snow. The nearest plane (a DHC-6 Twin Otter) has had its wheels completely replaced with skis. The ...
Party Ark's user avatar
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3 votes
1 answer
223 views

Can aircraft in formation shoot instrument approaches as a formation?

Formations taking off and landing together is obviously a thing in VFR, but I'm curious if these operations are possible/remotely safe when the formation is flying in IMC. Example: A two-ship flight ...
William Walker III's user avatar
-4 votes
1 answer
344 views

Has a pilot ever accidentally skipped an item in the before takeoff checklists and survived?

I would like to know if there are any documented events where a pilot has accidentally skipped an item from a before takeoff checklist, but managed to avoid an incident, reaching their destination ...
Ana Silva's user avatar
10 votes
1 answer
3k views

Can flaps on Airbus/Boeing airliners be deployed at high speeds during cruise, still?

Brief Background of the Incident Mayday Season 22 Features an Episode "Terror over Michigan" (Episode 6) based on the events of TWA Flight 841. The Episode revolves around a Boeing 727 ...
Atheesh Thirumalairajan's user avatar
1 vote
1 answer
724 views

Can anyone open an exit door or do they require activation by the crew?

Is it possible for anyone on an aircraft to open the exit door? Or does pilot or crew have to activate door open mechanism, so that it can be opened?
Gokul Nath KP's user avatar
7 votes
1 answer
532 views

What is this pilot doing before boarding his F-15?

In this video ... Fast takeoff of an F-15 Eagle from an air base in Iceland ... what is this one thing the pilot does on arrival, before climbing the ladder? It looks like he's putting something, ...
ChrisW's user avatar
  • 3,094
7 votes
3 answers
2k views

Why do we turn on fuel pump before descent in Diamond DA40?

The checklist procedure is: Electric fuel pump ............. on Mixture ............. rich MAP ............. 15 in of Hg RPM ............. 2300 Why the AFM says to turn on fuel pump during descent ...
Krishna Kanth's user avatar
9 votes
5 answers
3k views

What is the danger in the over-use of reverse thrust during ground operations when operating a turboprop powerplant?

I'm new to turboprops, and everyone I've flown with seems extremely cautious about using only the bare minimum reverse thrust after touchdown and never during forward taxi. Why might that be?
Ryan Mortensen's user avatar
15 votes
6 answers
7k views

Why aren't takeoff flaps used all the way up to cruise altitude?

In general aviation aircraft such as Diamond star DA-40, flaps to take-off are used until 500ft AGL and speed before retracting flaps is Vy (best ROC speed)-67kts and after retracting flaps is 80kts. ...
Krishna Kanth's user avatar
3 votes
1 answer
215 views

How does a small charter operator determine where the centre of gravity is for a given flight?

I was reading an account of the 2001 crash of a charter aircraft carrying the singer Aaliyah and her companions. Within it there's a summary of the investigation by the NTSB which includes the text '...
glaucon's user avatar
  • 1,655
1 vote
0 answers
210 views

Is there ICAO document that describes MVA criteria?

According Skybrary article the minimum vectoring altitude in each sector provides 1000 ft above the highest obstruction in non-mountainous areas and 2000 ft above the highest obstacle in designated ...
Daniel Plainview's user avatar
18 votes
3 answers
5k views

How and why can multiple people control the Boeing B-29?

I am making a down-to-the-1/128th-inch (literally, to the 1/128th inch) model of the Boeing B-29 Superfortress in SketchUp. Starting from zero, I had to make the entire plane up, and to be honest it ...
Ginger's user avatar
  • 1,167
4 votes
1 answer
3k views

What are the EASA external aircraft lighting requirements for day/night/VFR/IFR operations?

I have attempted to decipher the EASA rules related to non-commercial small aircraft external lighting requirements (for a pilot) for the various types of flight, and I can only find the MEL for ...
rs_atl's user avatar
  • 301
1 vote
2 answers
2k views

Do pilots turn off the engines during de-icing?

During winter operations and de-icing are the engines (jet engines) usually in operation? If not, what is the reason for that? Also I was wondering if the engine nacelles require de-icing since I have ...
user19440's user avatar
  • 1,075
23 votes
2 answers
5k views

What operation is this aircraft performing?

While reading Wikipedia about Ust-Kut Airport, I've run into the following picture: I'd like to know which operation is depicted here? This doesn't seems to be a take-off, as per my very limited ...
trejder's user avatar
  • 4,162
6 votes
2 answers
1k views

Why is the landing gear lever not set to OFF on the ground?

Several older airliners (e.g. Airbus A300, Boeing 737 until the NG series, Boeing 747 until the -400 series) have landing gear levers with three positions: UP, OFF and DOWN. OFF (or NEUTRAL for Airbus)...
Bianfable's user avatar
  • 56.6k
7 votes
2 answers
3k 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 ...
Manu H's user avatar
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1 vote
1 answer
530 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 ...
Vikki's user avatar
  • 28.4k
1 vote
2 answers
2k 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 ...
Mark's user avatar
  • 293
1 vote
1 answer
606 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 ...
Vikki's user avatar
  • 28.4k
1 vote
1 answer
2k 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. ...
Jai's user avatar
  • 1,502
2 votes
0 answers
78 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 ...
Super's user avatar
  • 1,293
4 votes
1 answer
2k 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 ...
dingdingdong's user avatar
6 votes
1 answer
462 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 ...
verandaguy's user avatar
6 votes
1 answer
433 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 ...
Vikki's user avatar
  • 28.4k
5 votes
1 answer
707 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 ...
George Clooney In a Mooney's user avatar
20 votes
2 answers
12k 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 ...
George Clooney In a Mooney's user avatar
5 votes
2 answers
3k 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.
George Clooney In a Mooney's user avatar
4 votes
1 answer
3k 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 ...
Nonanon's user avatar
  • 41
1 vote
2 answers
2k 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?
George Clooney In a Mooney's user avatar
1 vote
1 answer
596 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?
Mohammad Gohardoust's user avatar
48 votes
3 answers
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 ...
Adham81's user avatar
  • 685
3 votes
0 answers
449 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 ...
denizhanedeer's user avatar
3 votes
0 answers
135 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 ...
Paranoidone's user avatar
14 votes
2 answers
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 ...
user's user avatar
  • 6,984
3 votes
1 answer
1k 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 ...
Bianfable's user avatar
  • 56.6k
7 votes
4 answers
533 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,...
AEhere supports Monica's user avatar
17 votes
4 answers
5k 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 ...
AEhere supports Monica's user avatar
3 votes
2 answers
185 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?
FlyGRL's user avatar
  • 91
0 votes
1 answer
2k 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 ...
Gabo's user avatar
  • 1
0 votes
3 answers
232 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?
FullCircle's user avatar
1 vote
1 answer
243 views

Do cargo operators 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?
Jono 's user avatar
  • 608
6 votes
1 answer
355 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? ...
Rohit Pandey's user avatar
-1 votes
1 answer
482 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 ...
Vikki's user avatar
  • 28.4k
11 votes
2 answers
534 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 ...
user avatar
0 votes
0 answers
75 views

What is Squawk on radar tracking websites? [duplicate]

I have been noticing squawk on virtual radar, anyone have any idea what this is?
user92989's user avatar
22 votes
6 answers
6k 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?
TestUser's user avatar
  • 323