Questions tagged [takeoff]

Takeoff is the first phase of flight, when an aircraft lifts off from the runway or other surface.

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Boeing 757-200 Fuel Burn

So up front, I'm aware of the high number of aircraft and environmental factors and how oversimplified my request is. After all, there is a reason that the aircraft manufacturers provide charts to ...
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What are my take off minimums?

Requesting for some clarification. Part 91 operator. 0-0 visibility and ceiling minimums Departing Rwy 15 at ADS Can I depart with a standard 200 ft/nm cross DER 35 ft. since I don't need to comply ...
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Has a micro-burst or wind shear caused fatalities on takeoff?

Delta Flight 191 at Dallas-Fort Worth (1985), TANS Perú Flight 204 in Peru (2005), FedEx Express Flight 80 in Japan (2009), and Eastern Air Lines Flight 66 at New York's JFK, are all examples of ...
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Runway Number Landing and Departure Left Traffic Question [duplicate]

If I am "departing runway 36", what does that mean? I understand that runway 36 is at the north end of the runway (360 magnetic); So my question is does the aircraft start at the north end 36 and take ...
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Has an airplane ever been launched from a submarine?

Airplanes are routinely launched from ocean going vessels, namely carriers. Missiles are routinely launched from submarines. Has an airplane ever been launched from a submarine? From questions ...
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Has an airplane ever been launched from a train?

Presumably helicopters have landed and lifted off railroad flat cars. Has an airplane ever been launched from a train? (my artwork) F-84 during project ZELL testing (info provided by jwenting)
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Why is extreme cold weather a challenge at airports, since jets operate at extreme cold conditions in flight?

Wondering what specifically the issues are. Obviously, taking off and landing have more 'moving parts' but more curious about the actual extreme cold. I assume the operating temperatures at cruise ...
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In which direction will an aircraft drift after taking off in a crosswind?

Assuming the pilot applies the appropriate crosswind flight controls (see below) during takeoff and rotation, and releases those flight controls after the aircraft leaves the ground, in what direction ...
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Could an aircraft be tied down, then throttle up and release for takeoff in order to use a shorter runway?

Could airplanes, in theory, be designed to takeoff by first tying the tail to a post, throttling the motors to full power, and then letting loose? Could it even take off while tied, if the cable is ...
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How should you coordinate with traffic at non-towered airports?

I am a fairly new pilot. I recently flew to a non-towered airport in Quebec, Canada (Lachute, CSE4). There is a significant displaced threshold on each end of the runway. The airport has one taxiway ...
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How are procedures for curved-runway operations different from those for straight runways?

Runways having a significant curve between the two ends aren't exactly common, but they do exist, one good example being Elk City Airport's runway 14/35. When operating to or from an airport with a ...
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What are those hatches on the engines of a B-2 that are open during takeoff?

I just watched this drool-inducing video of Northrop Grumman B-2 Spirit, And noticed that there are a couple of hatches near each engine, which were open: I initially thought they were open for some ...
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Is flying in ground effect dangerous?

The stall angle of a wing in ground effect reduces in comparison to the stall angle of a wing flying outside of ground effect. Doesn't this make soft field takeoff dangerous?
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What qualifies as a "takeoff" and "landing" in currency requirements?

I just met my night-time currency requirements at KONT. Landing and taking off from a 12000 foot runway in a Cessna 152 got me to thinking (always dangerous, I know). There's more than enough room ...
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How much rudder input does a Cessna 172 require during the take off roll?

I am part of an open-source project developing a simulation of a Cessna 172P. We are tweaking our flight dynamic model at the moment and we are looking for feedback from people with real life ...
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Does angle of rotation during takeoff affect the g-force?

(Original) When an airplane banks 60° during row, 2 g of force is induced. When an airplane pitches 60° during takeoff, is 2 g induced on the airplane? Is the angle of rotation during takeoff ...
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How to interpret the term "standard" which is found in FAA's Obstacle Departure Procedures (ODP) and Standard Instrument Departure Procedures (SID)?

This might be obvious, but I find it difficult to interpret correctly the term "standard", when it refers to the takeoff phase of the flight. Take, for example, the takeoff minimums for the La ...
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Different takeoff minimums between an Obstacle Departure Procedure (ODP) and a Standard Instrument Departure Procedure (SID)

It seems reasonable to me that an Obstacle Departure Procedure would include more "strict" rules (steeper climb gradient) than a SID, which is more "situational" and provides a specific direction in ...
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Where does the Departure End of Runway (DER) exactly begin?

I am having trouble understanding the concept of Departure End of Runway. Most sources state that DER is at the end of the portion of the runway that can be used for takeoff (which, as far as I can ...
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Do pilots reject takeoff if aircraft doors are not properly locked down?

This particular incident, the pilot rejected takeoff "due to a aft door indication". My questions are: Is it a such serious situation so as to reject take-off? If the pilots had taken off, could the ...
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What is the average angle of attack of GA airplanes during takeoff?

What is the average angle of attack of GA airplanes during takeoff?
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What is the correct ATC phraseology in the US for an immediate - no delay takeoff?

Just wondering - what's the correct ATC phraseology for a takeoff where a plane does not stop first after lining up with the runway centerline before starting their takeoff roll? Redwood five-two-six-...
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What is the lift-to-weight ratio during takeoff for an ultralight?

Lift to weight ratio at cruise is 1:1, what is the average lift to weight ratio during takeoff (rotation) of an ultralight with 2m/s as rate of climb?
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Why would an aircraft do multiple runway laps before takeoff?

During a recent Ryanair, Boeing 737 flight, the aircraft went up and down the runway several times before takeoff, whilst modifying the flaps. Why would this have been? Usually, I thought flaps and ...
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Can an aircraft get certified for different runway lengths through the FAA based on the amount of payload it is carrying during said takeoff?

When certifying a new aircraft through the FAA, will they certify the AC for just one takeoff distance based on the max payload capacity, or can you get the AC certified for multiple runway lengths ...
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When does an airliner switch from using the tiller to the rudder?

When does an airliner switch from using the tiller to steer to the rudder on takeoff? Same for landing- when does the pilot switch from using the rudder to the tiller? What is this process? Once a ...
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About how many aborted takeoffs are there each year in commercial aviation?

Watching this sim of a 777 engine failure on takeoffs got me wondering about RTOs, and how often they occur. The interest was further driven after reading a comment by N1755L that might underline ...
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Could an ultralight hypothetically takeoff without power on if it were windy enough?

I don't know if takeoff would be the right term, but the wing should generate lift with any headwind.
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Why B-52 engines produce lots of smoke only during take-off? [duplicate]

During the flight it seems there is no smoke, it's only during takeoff. Here is an example This question explains that smoke is caused by unburnt fuel but why is ...
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Have there ever been any JATO bottles using only kerosene?

I've been reading about the early rocket work during WW2. They tried all sorts of fuels, hydrogen peroxide, hydrazine, red fuming nitric acid... Just in the scope of JATO/RATO, has there ever been ...
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How can I find out the reason for an aborted takeoff?

I was listening to ATC at LAX today and heard them cancel AA 253's takeoff clearance and instruct them to abort their takeoff; it sounds like they were already rolling down the runway when it happened....
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Why does one announce "Thrust Set"?

I have watched many aircraft takeoffs now where the flight deck announce 'Thrust Set', just after the engines are set to full. Forgive the dumb question, but why does one announce that the thrust is ...
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Aircraft Carrier Launches: ABE Checks and Signals

Somehow I got hooked on videos of aircraft carrier flight deck operations, and have been binge-watching over the last couple of days. (Glad it's a long weekend...) I've been able to understand many ...
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What is the optimum speed for takeoff flaps?

I took a 737 rating written test yesterday and one of the questions was: What's the optimum speed for takeoff flaps? V2 V2 + 10 V2 + 15 V2 + 20 Anybody knows the answer? I did some research and ...
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Why did the flight Osaka -> Frankfurt circle above the airport after taking off from Osaka International?

When departing form Osaka International (KIX) the Osaka city passed below twice, the second time much lower. Looks like our 747-400 was circling up in spiral before heading a long way over Russia to ...
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What flaps position should be used for taking off from a wet runway?

If I have to take off in a C152 or C172 from a runway that's 800-900 meters (2600-3000ft) long and wet but not contaminated, what flap setting should I use to get the shortest ground roll?
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Do pilots have to stop at the hold position of the takeoff runway?

Or in other words, is the takeoff clearance ever given (implicitly or explicitly) before the aircraft reaches the hold position, so that the pilot can keep rolling through the hold line and to the ...
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What is the typical procedure if an engine fails during a vertical takeoff?

My understanding of VTOL aircraft (correct me if I am mistaken) is that the plane accelerates vertically until it's a bit off the ground, at which point the thrust is slowly vectored horizontally, and ...
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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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When does a 'flaps/slats misconfiguration' warning sound during takeoff roll?

If a flight crew begins their takeoff roll and don't have slats and flaps configured properly, when does the system know when to sound the alarm? If it actually sounds during the roll itself, that ...
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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 ...
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Are these two aircraft too close to each other? [duplicate]

One aircraft is taking off and another is quick to land after it. Are they within safe limits?
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Why are winches not used for towing commercial planes up?

In this video a glider is pulled up by a winch on the ground, like this: (Source) I would say you could apply the same principles with bigger planes, possibly even using sustainable energy sources. ...
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At what altitude after takeoff is thrust reduced for airliners? [duplicate]

When is thrust, after take off reduced for jumbos and smaller airliners? Is it any different for jumbos and smaller airliner aircraft?
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How can V1 and VR (rotate) speeds be calculated?

I want to learn about how can the V1 and VR (rotate) speeds be calculated for take off. And which factors are affecting this calculation? Basically it may depends on the aircraft weight, runway ...
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What is the maximum take off climb angle of a Boeing 737 MAX?

This video is making its rounds on social media claiming to show a 90 degree vertical take off: One can not tell from the video alone what the angle is. Does anyone have a third party reference for ...
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Why can a plane land in zero visibility conditions but not take off in zero visibility?

After waiting hours for a flight departure delayed because of heavy fog, I wonder why planes can perform an instrument landing with no visibility, but cannot take off without a minimum visibility.
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What special tyres (tires) are needed for high altitude takeoff and landing?

I just watched this video of AA922 taking off from El Alto (LPB) to Santa Cruz. The video's author mentions that the aircraft needs "... special tyres" due to the high altitude. While I do ...
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Is (or was) it acceptable to throttle up for takeoff before being aligned with the runway center line? [closed]

30 years ago I was on a flight from Spain to Brussels and when we were heading to the runway for takeoff, the commander opened full throttle to the engines while we were still some 60º away from being ...
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How many planes do ATC controllers assist in taking off/landing each day?

I know controllers have several short shifts each day with interval breaks but I was wondering how many planes they assist in taking off/landing depending on what type of controller they are each day? ...

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