Questions tagged [takeoff]

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

13 questions with no upvoted or accepted answers
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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-...
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Why can't you operate packs on HIGH during take-off, approach and landing on a 737-800?

It's in the FCOM Limitations Chapter and I think that these phases are critical phases of flight and I don't want to reduce my engine performance by purposely creating a high demand for bleed air from ...
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292 views

Can the assumed temperature be lower than the flat rated temperature?

I was playing with reduced takeoff thrust in a Boeing 737-800 simulator yesterday and was surprised that I could enter assumed temperatures below the flat rated temperature of the engines. The ...
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319 views

What is the take off and landing performance of the MQ-9?

At maximum takeoff weight (listed on wikipedia as 10,494 lb (4,760 kg), 11,700 pounds (5,300 kg) with upgraded landing gear), what is the minimum runway distance required (not including safety margin) ...
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228 views

Which CS-23 airplane has the lowest takeoff speed?

Among the currently certified CS-23 airplanes (or "Part 23" in FAA-land or your personal region equivalent), which has the lowest rotation speed ($V_r$)?
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102 views

What does a ski jump takeoff feel like?

Some aircraft takeoff from aircraft carriers using a ski jump. What does it feel like to takeoff this way? Does it feel like an alpine ski jump? How does the feeling compare to catapult takeoff?
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219 views

How does wind affect takeoff weight limits?

Two days ago I took off from BUR in relatively windy (although dry) conditions. Flightradar showed departure from runway 33, and winds were recorded roughly mid 20s kts from the N-NNE direction. ...
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261 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 ...
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256 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 ...
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364 views

Can a 40 hp ultralight trike with a 15 m wing take off with simple (homebuilt) tube floats?

There seem to be no floats manufactured for 103 trikes- under 500 pounds including gas and pilot. Seems like they could be smaller and lighter than existing ones. I am considering fabricating floats ...
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58 views

What would be a suitable angle of attack for take off?

In determining a suitable flap deflection angle for take off I am trying to come to a conclusion about the angle of attack for take off first. I have read that the highest lift to drag ratio is most ...
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headwind, tailwind, weight, density exponents for DR400/180

I am trying to build a ground roll chart for Robin DR400/180 following the procedure described http://www.eaa1000.av.org/technicl/takeoff/topaper.htm#References. Does anyone know the tailwind, ...
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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 ...