Podcast #128: We chat with Kent C Dodds about why he loves React and discuss what life was like in the dark days before Git. Listen now.

Questions tagged [landing]

Landing is the final phase of flight, when an aircraft touches down on the runway or other surface.

Filter by
Sorted by
Tagged with
25
votes
2answers
16k views

How much force does a 747 land with?

I've been told before that the runways for large commercial aircraft have to be built to withstand a large amount of force. But I'm wondering exactly how much it is? When a 747 touches down, how ...
32
votes
6answers
20k views

How would an airplane land if the on-board radio breaks down?

Is there a special protocol for a situation where the on-board radio communication equipment suddenly breaks down? Would the pilot be able to land on a busy towered airfield or would they be forced to ...
32
votes
6answers
16k views

Can jet airplanes operate on 'rough' airfields?

A question I've always wondered is: can jet aircraft - not turboprop in this case - operate from 'rough' airstrips. My definition of 'rough' is grass or maybe a smooth mud airfield. I know that there'...
28
votes
6answers
15k views

For large jets, what is the primary means of slowing down after landing?

I understand that a large(r) commercial jet slows down after landing using the following methods: Wheel brakes Reverse thrust Spoilers/flaps/airbrakes What is the effectiveness of each compared to ...
26
votes
3answers
57k views

How does thrust reversal work on a jet engine, and when should it be used?

A two part question this time, though they are closely related enough that I figured I'd knock them out all at once. I figure the first question probably informs the second question anyway. Firstly, ...
43
votes
6answers
15k views

When are aircraft required to dump fuel for emergency landings?

I've heard that in a lot of instances a jet that is making an emergency landing is required to dump excess fuel. In a lot of instances this would make a lot of sense. For example, if the gear cannot ...
29
votes
1answer
20k views

Why doesn't the A380 use its outboard thrust reversers?

One thing I noticed with the A380 is that it only seems to use the inboard thrust reversers while landing. I suspect it relates to FOD ingestion or perhaps damaging the runway. This is strange though, ...
36
votes
3answers
14k views

How, exactly, did US1549 land on the Hudson?

A comment by @AsheeshR says: The Hudson River Landing was due to a combination of piloting skill and an autopilot system that was engaged right till impact and kept the plane in a controlled ...
18
votes
3answers
3k views

How heavy is too heavy to land on a grass strip?

This is actually a tricky question, because it's not just about gross weight, but about how much weight each individual tire imparts into the ground. This, of course, depends on the design of the ...
55
votes
6answers
13k views

Instrument landing: why do all electronic devices need to be shut off?

A few days ago, I took a flight home. Towards the end of the journey, the captain asked us to shut down any electronic device that we had on board, including iPods, CD players, phones and so on, ...
24
votes
7answers
12k views

On crosswind landings, is it preferable to side slip or crab on final approach?

I've seen several instructional videos on crosswind landing techniques. Some advise the pilot to crab the aircraft until just before touchdown when he/she should kick the rudder over to align the ...
38
votes
4answers
7k views

Do commercial aeroplanes use ABS to brake?

I have read that the wheel brakes on an aeroplane are by for the most efficient means of stopping it. I was wondering whether in low grip situations, such as in rain or snow, an ABS (Anti-lock Braking ...
20
votes
2answers
13k views

When can spoilers be used on airliners?

On airliners, are spoilers used in any part of flight other than landing?
13
votes
4answers
19k views

How do planes descend for landing?

I fly occasionally on a pretty short route on a turboprop (DHC-8). When the airplane descends for landing, I can look through the window and see the ground below getting closer over time. However I ...
11
votes
1answer
3k views

What counts as “runway in sight” when flying an IFR approach to minimums?

I've watched a few videos on youtube where the pilot flies an Instrument Landing System (ILS) approach to the minimum allowed altitude before establishing visibility of the runway (MDA or minimums). ...
71
votes
13answers
18k views

Is it considered good or bad practice to raise the flaps right after touchdown?

This question is about light, tricycle, single engine aircraft. I have made it a habit to raise the flaps right after touchdown (when the nosewheel is on the ground). My instructor used to do that ...
13
votes
2answers
13k views

What is a stabilized approach?

Most (all?) airlines require the use of a stabilized approach, and it is constantly referred to as a safer way to land an airplane. What are the criteria for an approach to be considered stabilized?...
8
votes
11answers
12k views

Is it sensible to harness wind energy on an airplane?

Is it sensible to harness wind energy on an airplane? Actually the idea is to build an electric aircraft whose power comes from solar and from wind while the plane is landing. instead of using ...
22
votes
10answers
9k views

Do pilots ever intentionally takeoff or land downwind?

Is there a reason a pilot would takeoff downwind or land downwind? Is it legal to do this?
34
votes
6answers
23k views

What is the procedure for landing on an aircraft carrier?

What is the procedure for landing on an aircraft carrier? How is the checklist different from a regular landing?
24
votes
2answers
17k views

Can I land a helicopter anywhere?

If I own a helicopter and am appropriately rated, can I land the helicopter anywhere that isn't private property, and is a safe place to land (clear of obstructions, appropriate surface, etc.)? My ...
9
votes
1answer
5k views

How do pilots use stopway, EMAS, clearway and displaced threshold?

I noticed in Why is “clearway minus stopway” used in V1 adjustments? that a stopway and an EMAS are both indicated by yellow chevrons: Same Opa-Locka stopway on the left, and San Diego EMAS on the ...
47
votes
11answers
41k views

Why do planes always land on rear wheels instead of the nose wheels?

Various times, I have seen and felt myself that the plane always lands on the rear wheels, but not the front wheels. Why do the pilots land it on the rear wheels instead of the front? Does it have ...
16
votes
3answers
7k views

Can a super land without flaps/spoilers?

Can the Airbus A380 or Boeing 787 land safely without flaps/slats/spoilers or thrust reversers?
29
votes
5answers
33k views

If I have a float plane, can I land on any body of water?

What are the rules with regards to landing a float plane on a body of water? Can I land anywhere (non-emergency, obviously) that would also accommodate the take-off? If not, how do I determine which ...
16
votes
8answers
22k views

Why is tailwind during final approach and landing so dangerous?

I understand that tailwind is typically a good thing during your flight as it increases your ground speed and gets you to your destination faster. Despite that I get a feeling that pilots typically ...
10
votes
3answers
11k views

What vertical speed at touchdown makes a 'perfect' landing?

Is there a general vertical speed that pilots shoot for, or is it entirely by feel/trial-and-error?
26
votes
4answers
3k views

Why are you required to commit to a full stop landing if reverse thrust is selected?

According to Airbus: ‐ After the flight crew selects reverse thrust, they must perform a full stop landing. Does it really make sense to have this limitation, and why? What happens if you realise ...
39
votes
5answers
17k views

How common are cancelled landing attempts?

I recently traveled from Stansted, UK to Skavsta, Sweden with Ryanair, and was informed that depending on the weather (it was very foggy), we might end up landing at Arlanda (~150 km from Skavsta) ...
11
votes
5answers
3k views

Is landing without engine power routinely feasible?

Considering that airplanes are very noisy, could one routinely land them with the engines turned off, gliding onto the runway? Could the engines be started fast enough for an emergency situation?
7
votes
2answers
5k views

Is it true an ILS CAT IIIc can automatically taxi-in an aircraft?

I've always wondered how would the theoretical (since no airport/plane has it) ILS CAT IIIc guide the plane off the runway? I mean from the perspective of radio signals. What component in the ILS ...
6
votes
1answer
3k views

What should a pilot do to perform a successful emergency water landing?

What should a pilot do to perform a successful emergency water landing, also known as ditching of a big commercial jet? Is there any checklist, or best practices, like "elevate the nose" or "retract ...
4
votes
2answers
3k views

How are forces on the landing gear reduced or compensated for at touchdown?

When an aircraft lands with the tires of the landing gear at rest, as soon as the the aircraft touches down, the landing gear experiences a large amount of wheel-spin up forces (because of the static ...
4
votes
2answers
5k views

How can landing in zero visibility be safe?

I recognise that autoland and ILS can enable landings in zero visibility, which I presuppose in this question (e.g. in this video where touchdown happens around 5:22). Further, suppose that the fog is ...
30
votes
5answers
5k views

Can a fighter jet land on a modified airliner?

Imagine this scenario: A modified military 747 is flying at a constant speed and altitude. On the top of the fuselage there is a device like a helipad but with three holes to accommodate the fighter ...
11
votes
2answers
2k views

What is a navigational fix? Where can I get navigational fixes for a local airport?

Amateur in aviation, so please explain the purpose of navigational fix and its characteristics. How is a navigational fix being placed around the runway, or how it is determined this would be the ...
37
votes
4answers
12k views

Why don't modern aircraft have landing gear that can swivel to compensate for crosswinds?

When landing, crosswinds can be very expensive. They cause go-arounds, diversions to other airfields and even crashes. Currently pilots crab in the air to counteract crosswinds and, at the last ...
25
votes
1answer
5k views

Is there any emergency situation in which jet engines would not be shut down before passenger evacuation of a transport aircraft?

A comment to this answer discusses the possibility of evacuating passengers risking ingestion into the engines if evacuating over the leading edge of the wing. That particular question discusses the ...
23
votes
3answers
11k views

How do aircraft land on snow?

It is very common today for planes to land on snow (for example, in Antarctica). How are planes kept in control with so little friction against the ground? What is the procedure to perform this kind ...
21
votes
4answers
5k views

What are the risks in landing on a beach vs. shallow waters?

I recently read a story where a pilot of a light aircraft died having attempted to land on a beach. Would it be potentially safer to try an emergency landing on a beach, or go for shallow waters of 6-...
19
votes
1answer
3k views

Is the main landing gear of a large airplane designed for sideways (crabbed) touchdowns?

Is it just my imagination, or is it a fact that many large airliners actually touch down "crabbed" on difficult crosswind landings? Here's what I mean in this video, or as shown in this picture: Is ...
15
votes
2answers
4k views

How common are emergency landings for airliners? Is there really more than one per day at Heathrow?

I've just found an article on one of Italy's most popular newspapers, the "Corriere della Sera", which states that emergency landings are far more common than is normally believed: according to it, at ...
14
votes
1answer
2k views

Why did the Concorde require a droop nose and how did it work?

As seen in the picture below, Concorde used to have a droop nose which would be deployed during takeoff/landing and would be retracted to the normal position while in cruise (do reduce drag). ...
20
votes
3answers
19k views

Can I land a plane in a field?

If I had a plane that could take off and land in a short distance (eg., the SD-1 Minisport), do I have to use a recognized airport in order to land in the US? Or can I just land anywhere so long as ...
17
votes
3answers
18k views

How long do airliner tires last? Can this be improved?

I imagine that the tires on commercial jets wear out pretty fast with all those squealing landings as the tire suddenly has to spin up from zero to the speed of landing. 2 questions: How many ...
15
votes
3answers
4k views

Why does this regional jet have its air brakes wide open before touchdown?

I was looking at a detailed picture of a plane while following its path on Flightradar24.com. Here is the Avro RJ45 I am talking about: I wonder why its aerobrakes at the empennage seems wide opened ...
12
votes
4answers
3k views

What effect would there be if the brakes were locked at touchdown?

I'm imagining if you had a panicky passenger sitting in the right seat who had both feet firmly on the brakes while landing. Unless you had a crosswind and needed rudder as you touched down it's ...
6
votes
1answer
846 views

How close can separation be during a landing clearance?

How close can separation between two aircraft be during landing? during visual landing clearance? Specifically, I refer to this Aviation Herald Report where: When the Boeing 777-300 was about 2....
74
votes
10answers
33k views

Is a firm landing an indication of the pilot inexperience?

In a commercial airplane, when a landing has been a bit firm, a passenger may think it was not perfect, or maybe performed by an inexperienced pilot. (Source) A perfect landing is seen by passengers ...
64
votes
7answers
17k views

Why does it feel like a plane accelerates just before touching down?

On commercial flights it often feels like the plane gets faster just before touching down. What creates that sensation?