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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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4answers
182 views

How is vertical speed managed in Airliners? [duplicate]

When an Airplane starts to take off, the Horizontal velocity would generate it the necessary lift, and then Airplane pitches up to further increase the lift. As the Airplane is climbing up, the net ...
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3answers
648 views

Why is this video of a G36 Bonanza taking off so scary?

Why is this video of a G36 Bonanza so 'scary'? If they had clipped the top of the trees, would it really have brought the plane down? (And even if yes, it looks pretty ...
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0answers
75 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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1answer
84 views

Is there a maximum horizontal acceleration for passengers?

Are there any regulations regarding the maximum acceleration forces that passengers should experience during takeoff/flight/landing? Or what would be considered to be an acceptable horizontal ...
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4answers
147 views

Could an airplane takeoff with a very strong tailwind if its propeller blades are set to a negative pitch? [closed]

Would it be possible for an airplane to accelerate and takeoff with a very strong tailwind if its propeller blades are set to a negative pitch? For example, let's say that a hurricane was approaching ...
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1answer
138 views

What was the airline attendants looking at in LED display before light off in A320 [closed]

I was journeying on Indigo Pune-COK back and forth. At both the times, I noticed airline attedants looking at some LED display which seemed to be some sort of balance scale. At first, I thought they ...
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3answers
137 views

What makes an airplane can take off very short?

I watch STOL pilot champs Zenith CH701 here. The engine power are: 130HP, 80HP, 120, and 100HP respectively. Amazing. As per my observation, the third airplane take off shorter than it length. It uses ...
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3answers
142 views

Has using engine exhaust blown onto an airfoil ever been tried to make an vtol aircraft?

Has usong engine exhaust blown onto an airfoil ever been tried to make a vertical takeoff and landing aircraft?
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1answer
49 views

Learn in-depth about airplane operations [closed]

Currently seeking a book or manual that teaches a civilian how a cargo aircraft operates and what it's pilots do, say a 787. Preferably a high-level overview at a per flight phase: Pre-flight: Flight ...
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0answers
142 views

How are the takeoff V speeds calculated? [duplicate]

What is the actual formula for calculating the takeoff V speeds of an aircraft with any configuration? Specifically, I mean V1, Vr and V2 I know there are many factors, but what are they specifically ...
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1answer
103 views

How can I figure out the take-off minimum when multiple minimums are listed in the TPP?

For example: If the published take-off minimum depicts: Standard with minimum climb of 565' per NM to 2800, or 1000-3 with minimum climb of 370' per NM to 2800, or 1500-3 for climb in visual ...
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1answer
80 views

What are the takeoff and landing distances of motor gliders?

I'm doing some estimations of weight and thrust loading for a college project, and in the formula below the landing distance is not a variable, but should be estimated using similar aircraft and usual ...
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6answers
266 views

How much can I exceed crosswind limits by? [duplicate]

I'm learning in a Tomahawk. They have a maximum demonstrated crosswind component of 15 knots. My school has a limit of 12 kt, but will only allow students to fly in 50% of that, so 6 kt. Since it's ...
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2answers
331 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?
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2answers
107 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 ...
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5answers
179 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, ...
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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 ...
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2answers
66 views

How do I calculate FPNM for standard take-off minimums?

I have trouble understanding and calculating FPNM for standard take-off minimums. As I understand, the formula is: (Ground speed)/60 * FPNM = FPM Let's say the ODP says: 565' per NM to 2800, or ...
6
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1answer
456 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 ...
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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.
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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 ...
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2answers
66 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 ...
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2answers
79 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 ...
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2answers
272 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
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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 ...
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2answers
263 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 ...
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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 ...
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3answers
528 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 ...
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0answers
105 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-...
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0answers
62 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
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1answer
143 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 ...
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0answers
321 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 ...
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2answers
520 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
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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 ...
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2answers
333 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 ...
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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
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4answers
713 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)
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3answers
290 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 ...
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0answers
96 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 ...
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4answers
415 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 ...
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3answers
482 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 ...
6
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2answers
237 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
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1answer
460 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 ...
28
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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 ...
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1answer
300 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?
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1answer
209 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 ...
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3answers
903 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 ...
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2answers
208 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
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1answer
347 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 ...
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0answers
129 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 ...