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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1answer
238 views

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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9answers
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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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0answers
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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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3answers
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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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7answers
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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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1answer
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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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1answer
297 views

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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1answer
584 views

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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1answer
216 views

if your Seneca weight is 4000 pounds , and you have 800m visibility, would you take off? [closed]

An examiner asked me if your Seneca weight is 4000 pounds , and you have 800m visibility, would you take off ? I said by law the visibility is ok but still I would not because if we get an engine ...
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2answers
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Is there a formula to calculate take off runway distance for commercial planes?

I want to be able to calculate the take off runway distance that a plane needs depending on factors such as weight and plane size, etc. I know that graphs exist in the pilot handbook to do this but is ...
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1answer
886 views

When is a steep takeoff appropriate?

There are plenty of videos of aircraft performing "steep" takeoffs, such as this one. When, if ever, is this kind of takeoff appropriate. What is the procedure?
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What do pilots do on a windshear alert after V1?

What is a pilot taught to do, when a windshear is detected and the planes speed is above V1 and before Vr? I can't think of what is safer. Rejecting, with the risk of overshooting the runway. Taking ...
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1answer
756 views

Do modern aircraft have sensors to determine weight of the aircraft? [duplicate]

Do ALL modern aircraft, particulary airliners and private jets, have weight sensors on all landing gear to determine take off and landing weight in real time so as to determine take off speed and ...
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4answers
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What happens during a carrier take off?

Watching videos of jets taking off from a carrier, it appears the pilot is holding a hand grip as the jet is catapulted along the deck; then there is 'jerk' type motion as the jet leaves the deck with ...
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Why are the B-52 thrust levers advanced inside-out?

As I understand, the standard procedure for advancing the throttle (for take-off) is as follows: Advance throttle to desired engine input & output (N1 & N2) Release brakes Gradually increase ...
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0answers
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Is there any reason spoilers would deploy just after liftoff? [duplicate]

I was watching this video of a 747-8F taking off. http://www.dailymotion.com/video/x273atd Just after liftoff the air brakes and ground spoilers deploy on the left wing causing a sharp roll to the ...
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1answer
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Is there a specific formula or way to calculate flex temperature for an Airbus A320?

I have hear of RTOW charts but I haven't seen any calculations with the runway length or slope. What is the formula or equation to finding flex temperature and V-Speeds?
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2answers
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Is it easier to take off against the wind or with it? [duplicate]

I was wondering if it would be better to take off into the wind because then you would need less overall acceleration to takeoff, or with the wind behind you - thereby making it easier for the plane ...
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Do concurrent operations on a single runway occur anywhere else besides AirVenture?

At the EAA's AirVenture fly-in in Oshkosh (KOSH), landing and sometimes takeoff operations are very often done by dots which are painted on the runway, making it so that multiple operations (a landing ...
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940 views

How does the flap configuration affect the tailstrike limit on the A320 aircraft family?

The configuration that provides the maximum FLEX temperature varies with the runway length. On short runways, CONF 3 usually provides the highest FLEX temperature, and the tail clearance at lift off ...
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3answers
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Is it normal practice to use 25 degrees of flaps when taking off at max weight in a PA-28-181?

I recently started renting a plane (PA-28-181) from a new flight school and had to get checked out before I had the "OK" to rent. I had brought 2 family members ...
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1answer
5k views

How to calculate normal takeoff ground roll when the POH only has Short Field Takeoff tables?

The Cessna 172S POH only has Short Field Takeoff Distance tables. How do pilots determine ground roll for a normal takeoff on a long field with hard surface? The examples in the POH only deal with ...
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1answer
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Under which conditions is full rated power instead of METO power required for takeoff (DC-3/C-47 with Pratt&Whitney 1830 twin wasp engines)?

OK, so my explanation is going to be quite long, but please bear with me. My question is in two parts, but first I'll explain what I know. I was reading the C-47 Pilot's Flight Operating Instructions ...
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Why is the takeoff decision point based only on speed and not time or distance?

The go/no go decision on takeoff for airliners is calculated as a V1 speed. The question is, why is there no time or distance for V1 calculated. In other words, if we don't reach V1 in X seconds or by ...
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Is there something like a table of aircraft required runway lengths?

I'm looking for a chart showing the minimum length a runway can be for various aircraft to land and take off. Does something like this exist?
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401 views

How should these translated takeoff and climb settings be interpreted?

I am having difficulties understanding this transcript. It is originally not in English, so I was wondering if anyone could help me to make sense of this and also help me with the correct wording in ...
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4answers
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Are planes assigned different climb angles from the airport by the tower?

Clearly the angle at which planes take off and climb depends on lots of things (mountains, residential area, aircraft type, wind) but when watching planes take off after another from the same runway, ...
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4answers
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How high does the ground effect last?

Up to which height is the ground effect still significant enough to be taken into account? Would this height be sufficient to actually fly above the ground, overcoming at least trivial obstacles like ...
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4answers
2k views

What performance issues/symptoms can a pilot expect while taking off above MTOW?

Lately I've been flying a Cessna 162 Skycatcher, primary as a cheap way to build time towards the Instrument Cross Country requirement and my glider club's hours requirement to tow gliders. One issue ...
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1answer
5k views

Is the A320 family allowed to take off with the flaps retracted?

Is it legal for the A320 family (A318, A319, A320 and A321) to take off without flaps? An answer to this question states that the A300 can take off without flaps. On the other hand, the 737 family of ...
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2answers
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Could an aircraft like a Boeing 777 take off with flaps fully deployed?

I have wondered this for years. Could an aircraft successfully take off with the flaps fully extended to the landing position? To make this more concrete, let's say a B773-ER at ATL runway 8R.
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Why are bird strikes on approach or landing not as common as on takeoff?

I've heard about lots of bird strike incidents that occured during a takeoff roll or the early phase of takeoff climb but hardly heard of bird strikes on approach or landing. Are bird strikes much ...
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1answer
761 views

What are the Takeoff Minimums for aircraft operating under Part 91?

What are the IFR Takeoff Minimums for aircraft operating under Part 91?
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Is it ever permissible to takeoff on an aircraft heavier than its MTOW?

I'm thinking in terms of the Concorde accident in 2000 having just read part of the report which states that they were in effect several tonnes heavier than they should of been factoring in the ...
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How can a Boeing 747 take off from Princess Juliana 7,546 ft runway?

I recently read this article that talks about 747s taking off from Princess Juliana International Airport in Sint Maarten. The Princess Juliana runway is only 7,546 ft, but according to Wikipedia, ...
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1answer
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Why is a 0 kt, vertical climb in a helicopter not safe near the ground?

In the "Test Pilot" column in the July 2017 issue of AOPA Pilot, one of the questions was From reader David Franklin: If a given helicopter has a best rate-of-climb airspeed of 60 knots, its ...
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4answers
14k views

Is there a maximum or minimum temperature for take-off and landing?

Is there a maximum or minimum temperature that a plane can take off or land at?
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1answer
849 views

Why does an aircraft use less fuel while landing as opposed to takeoff and climb?

I read that the weight ratio of an aircraft after and before landing, was larger than the ratio after and before takeoff. The weight is lost only due to fuel burn, so why does an aircraft appear to ...
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1answer
503 views

What's the speed callout by the PNF on airliners for?

On all Airliners, there is a speed callout by the PNF at some point during take-off, usually at 80 or 100 KIAS. Whats the reason for those callouts? And why are some at 80 KIAS and some at 100 KIAS?
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1answer
162 views

How is the same takeoff performance achieved by a specific engine type on aircraft of different sizes?

The entire B737Max family (B737Max7,8,9,10) uses CFM International LEAP-1B (Source) engines, despite the B737Max10 carrying up to 60 more people than Max8. My question is how do all of the aircraft ...
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3answers
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What are the climb rates during the different phases of flight of an A320?

I have read about common climb rates for an A320. It is said that the initial climb rate for an A320 is between 15-20° and it differs depending on the weight and also the altitude. I therefore have ...
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2answers
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Is an Airbus A319 allowed to fly with a missing flap track fairing?

During a recent flight from Copenhagen to Milan in an Airbus A319, one of the flap track fairings were missing from the wing. I saw this during takeoff, and notified a flight attendent as soon as the "...
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1answer
5k views

Why do flaperons 'move down then up' on takeoff roll on a 787?

The flaperons on the 787 go through certain motions once the TO/GA is pressed. I've always seen it when the 787 is viewed from behind on takeoff. The motions are completely symmetrical, i.e., not ...
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3answers
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What is this smoke coming from an F/A-18 shortly before takeoff?

Watching a video of F/A-18 fighter-jets taking off, I noticed some sort of gas blowing out behind the canopy shortly before the start of the takeoff roll. Here's a screenshot: In some videos the ...
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8k views

What happens if you take off with a direct tailwind?

What happens if you take off with a direct tailwind?
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2answers
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Where can I find info or techniques on calculating the influence of a duct on the thrust and efficiency of a propeller?

I am trying to run numbers on a concept VTOL fixed-wing aircraft, and I am looking at having fans or props positioned inside the wings, (which would therefore make the wings relatively thick for a ...
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4k views

Would a takeoff be aborted if 'rotate' is not called out?

As captain of a Boeing 747 on a take-off roll I am expecting my co-pilot to call out V1, Rotate, but he does not call out rotate. Do I abort the take-off?
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Why do some aircraft carriers have an upward starting runway? [duplicate]

I noticed that some aircraft carriers have an upward starting runway while others don't. What's the reason for this? What are the advantages of both designs and how come not one of them has prevailed ...
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1answer
1k views

Why isn't the An-72 / Boeing YC-14 configuration used for airliners?

Why aren't there a lot of passenger airliners (short flights) using this configuration, since using Coanda effect by blowing wing's extrados is much safer in harsh weather, and would provide extra ...

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