Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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

1
vote
2answers
135 views

How long does a runway have to be for an Airbus A380 to takeoff?

I have seen several Airbus A380's takeoff on large runways, but how small can a runway get for an Airbus A380 to takeoff fully without overrunning?
-5
votes
0answers
91 views

taking off from Red land airport for Boeing 747 [closed]

1) Assuming George W. Bush is planning to visit Redland, CA to sell the citizens there his tax cut plan. He will arrive with a Boeing 747 plane. The airport of Redland is small. Although he does not ...
0
votes
1answer
57 views

How to calculate the amount of weight my plane can takeoff with?

This is how I approached this problem- My takeoff run is limited. So, depending on my configuration I calculated the maximum possible velocity I can attain in my groundroll. I assumed that at the end ...
1
vote
5answers
166 views

Does headwind on takeoff affect g force?

I'm aware that headwind or tailwind does not affect rate of climb or descent but only the angle. I'm not sure if it affects the g force or not. I'd assume it affects g force because using trignometry, ...
6
votes
3answers
2k views

Why did this 737 not take off on first attempt?

This video shows a 737 'near miss' takeoff. I'm curious as to why the aircraft did not take off as expected, i.e. is there anything obvious from the video? I'm assuming the speed and payload would ...
0
votes
1answer
15 views

Calculate FPNM for standard take-off minimum

I have trouble understanding and calculating FPNM for standard take-off minimum. As I understand, the foluma is "(Ground speed)/60 * FPNM = FPM". If the OPD depicts " 565' per NM to 2800, or 1000-3 ...
6
votes
1answer
446 views

What is this 'runway number' automatic readout system on a flight deck?

I was watching this flight-deck video (starts at 11:13) of a Turkish Airlines Boeing take off from Istanbul and just as they accelerate on the take off roll there seems to be an automatic voice in the ...
6
votes
6answers
2k views

Is it okay to take off with weight more than the POH max gross weight?

I wonder if I could take off with weight more than the gross weight stated in the POH of my aircraft as long as I take off with a higher speed? I think I have done it once by mistake.
27
votes
3answers
4k views

Why would a turboprop rev down just before going full throttle during takeoff?

The only turbprop I've travelled is the ATR 72. I've noticed that the props' rev go down (for like a second, the sound also goes down) just before engaging full throttle in order to takeoff. I've ...
1
vote
2answers
56 views

What does LNAV engagement exactly mean?

I notice the term LNAV engagement being frequently mentioned in aviation related discussions or in several FAA's relevant material. Take, for example, this quote from Order 8260.58A (PBN Instrument ...
3
votes
1answer
55 views

Under what circumstances can the Initial Climb Area extend more than 2 nautical miles?

While studying of FAA's Instrument Procedures Handbook, I noticed that on page 1-16 (Chapter 1: Departure Procedures) it defines the Initial Climb Area (ICA) as follows: The ICA is the segment of ...
3
votes
2answers
260 views

gear down during takeoff for extended period of time

Normally when an aircraft departs, the landing gear is retracted shortly after the aircraft is airborne. While watching aircraft departing from an airport in my city, I noticed, that occasionally the ...
14
votes
2answers
3k views

Is it the tower's purview to recall an aircraft from the runway for loading the wrong cargo?

On August 17, Ryanair flight FR 11 entered the runway after already being delayed for 1.5 hours, only to exit at the first available opportunity. After being jokingly welcomed to Stansted from where ...
5
votes
2answers
257 views

Safety regulations for take off spectators around airports?

In a Greek island, an A320 blasted a child ten meters away, during take off. It was with his family outside the airport (Greek src). I wonder what are the regulations, if any, for how much people are ...
10
votes
4answers
1k views

In light aircraft, non-instrument flight, apply (nearly) full aft elevator before beginning the takeoff roll or at some predetermined speed?

Consider a small, light, nose wheel tricycle aircraft, something along the lines of a C152 or similar, sitting at the end of the runway ready for takeoff, with no issues and with all pre-takeoff ...
1
vote
3answers
324 views

Definition of “Rotation Speed” vs “Lift Off Speed” vs “Fly Off Speed”

Is rotation speed and lift-off speed ever used interchangeably? (AMENDED Question) Is lift off speed and fly off speed the same? (See supplemental info below) I thought I clearly understood the ...
2
votes
0answers
88 views

Does the “Climbing right turn” instruction of this SID violate the “Climb to 400 feet above DER before turning” requirement?

I was examining the LaGuardia Five SID, and I noticed that for runway 13 (Coney Climb) it gives the instruction, immediately after takeoff, "Climbing right turn heading 180 degrees to intercept CRI R-...
0
votes
0answers
48 views

Is there an equivalent of the Threshold Crossing Height for departure procedures?

The definition for the Threshold Crossing Height is, according to the sources that I have checked, "the theoretical height above the runway threshold at which the aircraft's glideslope antenna would ...
6
votes
1answer
133 views

What does the indication “ATC” in some Take-Off Minimums mean?

While studying FAA's Standard Instrument Departure Procedures, I came across the La Guardia Five Departure SID. Take, for example, the Take-Off Minimums for runway 13L: Rwy 13 (Coney Climb): 400-2 ...
0
votes
0answers
228 views

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 ...
2
votes
2answers
296 views

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 ...
12
votes
1answer
3k views

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 ...
1
vote
2answers
209 views

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 ...
47
votes
6answers
16k views

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 ...
12
votes
4answers
702 views

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)
7
votes
3answers
281 views

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 ...
0
votes
0answers
91 views

Why to keep window shutter open during takeoff? [duplicate]

I understand when they ask to close the window due to bright sunlight reflection on eyes during the flight but I haved noticed we are asked to open the window shutters and leave it open during the ...
-6
votes
4answers
326 views

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 ...
1
vote
3answers
469 views

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 ...
5
votes
2answers
192 views

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 ...
6
votes
1answer
401 views

How are procedures for curved-runway operations different for 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 ...
27
votes
2answers
4k views

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 ...
0
votes
1answer
251 views

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?
3
votes
1answer
153 views

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 ...
4
votes
3answers
758 views

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 ...
1
vote
2answers
170 views

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 ...
3
votes
1answer
233 views

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 ...
1
vote
0answers
102 views

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 ...
3
votes
0answers
236 views

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 ...
12
votes
2answers
4k views

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 ...
0
votes
3answers
290 views

What is the average angle of attack of GA airplanes during takeoff?

What is the average angle of attack of GA airplanes during takeoff?
7
votes
5answers
2k views

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-...
0
votes
1answer
169 views

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?
-1
votes
4answers
618 views

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 ...
3
votes
2answers
73 views

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 ...
26
votes
3answers
4k views

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 ...
5
votes
1answer
193 views

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 ...
2
votes
2answers
205 views

Engines more powerful than the brakes?

This might be more of an anecdotal question, but are there any aircraft where under full throttle (with afterburner in worst-case) where the wheels wouldn't provide enough friction against the runway ...
1
vote
3answers
219 views

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.
2
votes
3answers
1k views

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 ...