Questions tagged [taxiing]

The process of driving an aircraft on the ground, e.g. from the gate to the runway.

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9 votes
3 answers
3k views

When can a taxi clearance allow me to cross multiple runways?

I was just reading the FAA instrument procedures handbook and saw the paragraph below in Chapter 1. I'm puzzled by this, because I routinely get "Cross runways XX right and XX left on Alpha" ...
20 votes
1 answer
3k views

Are there any aircraft with powered landing gear?

My student asked me a question this morning. It was: A car drives by turning its wheels against the Earth. An airplane taxis by rolling on its wheels while the engines push against the air. Are ...
0 votes
1 answer
245 views

How do planes on taxiway get back to terminal after an accident?

When there is accident that blocks the runway, how do other planes that are on taxiways or holding points move back to terminal? After all, the runway is closed due to the accident and planes cannot ...
13 votes
2 answers
2k views

What are the curved centerlines at taxiway intersections for?

At all airports where I've looked out the window during taxi, the taxiway intersections have been painted with nice circular arcs connecting (the centerline of) each entry to the intersection with ...
21 votes
5 answers
6k views

May an airplane with folding wings legally taxi on the street?

In order for any vehicle larger than a bicycle to be street legal, it must be registered under the state/province's Department/Bureau of Motor Vehicles as a highway vehicle. There already exist light ...
5 votes
2 answers
179 views

What determines the name of the runway if it is not active (for atc instructions)

I was not succesful with finding an answer to this anywhere on the web. Let’s assume we have multiple runways in the airport and ATC controller gives us instructions to cross certain runway that is ...
1 vote
1 answer
164 views

Are crosswind corrections during taildragger taxiing the same as with tricycle gear?

When doing crosswind corrections during taxiing with a tail dragger, is it the same with the tricycle gear or not? Confused with the elevator part.
3 votes
3 answers
938 views

Taxiing with a crosswind

Let us say we have a right quartering headwind, we should “fly into the wind” so yoke to the right then that our right aileron will deflect up and left aileron down. How does this avoid the chances of ...
0 votes
0 answers
105 views

Typical maximum airliner throttle settings during taxi

What is the typical maximum throttle setting during taxi of a big airliner, e.g., A350, B777, etc.? Thank you. Fabián
1 vote
5 answers
366 views

How to achieve shorter taxiing time by elongating the airfield

What about doubling the length of airfields in order to shorten the time it takes for a plane to roll on the ground after landing and before takeoff. The plane could take off from the middle of the ...
12 votes
3 answers
5k views

Why does the Cessna 152/172 nose wheel turn only when the aircraft is moving?

According to the POH, ground control is achieved by a spring loaded steering bungee. But how does it work and why the nose wheel does not move when the aircraft is stationary?
5 votes
2 answers
516 views

When provided with a taxi clearance do you need to immediately comply or can you take your time?

I'm a student pilot and I'm just wondering on if I receive a taxi clearance at an airport then read it back can I wait a minute or two before I actually start taxiing or do I start to go immediately? ...
5 votes
2 answers
565 views

Any FAA or other regulations prohibiting taxiing between parked aircraft?

So the other day I was getting checked out at a local FBO, after returning to the ramp, instructor told me to taxi between two parked (tied-down aircraft). It was a tight squeeze but I taxied at about ...
7 votes
2 answers
867 views

What are the separation requirements on the ground?

What are the FAA regulations for aircraft separation on the ground, outside of active runways?
5 votes
2 answers
359 views

Can any aircraft do donuts under their own power without significant damage?

I was reading this question and trying to think of ways to park an aircraft tail-to-terminal without using reverse thrust, and this question popped into my head: Are there any aircraft that could, ...
0 votes
1 answer
137 views

What would happen if you tried to take off in a vacuum?

What would happen if the pilot of a pressurized rocket-powered airplane-shaped vehicle attempted to take off in a vacuum? I would expect the plane to just taxi no matter what the pilot did; is this ...
10 votes
1 answer
839 views

Is the taxi route omitted in low visibility (LVP)?

This video shows an auto land into Schiphol during bad weather / LVP (Low Visibility Procedures). After reporting vacated, the ATC instruction is quite short (around 2:45). Simply the gate number. (I'...
10 votes
1 answer
3k views

Is AMS (Schiphol) Polderbaan the runway furthest away?

I'm very interested to learn if there are (m)any (major) (commercial) airports that have runways further away from the terminal(s) than Schiphol's Polderbaan. Which airport is "in the lead" ...
1 vote
0 answers
386 views

How does a 10 second delay after switching on the APU BLEED prevent an engine stall while carrying out a one engine taxi on departure in the A320?

My question mainly pertains to the delay of 10 seconds. As per the A320 FCOM when performing a one engine taxi at departure before starting engine 2 a 10 second delay has to be catered for after ...
3 votes
2 answers
266 views

Why were taxiways marked with numbers (as opposed to letters) back in the day?

I learned through the USAir Flight 1493 and SkyWest Airlines Flight 5569 collision that many taxiways at KLAX were marked with numbers (e.g., Taxiway 45, Taxiway 33) instead of letters (e.g., Taxiway ...
1 vote
1 answer
370 views

How fast can a Cessna 172 taco?

What is the highest speed at which a Cessna 172 can taxi without lifting off the ground? If you removed the wings, how fast could it taxi? (Answers only answering the first part are fine; I doubt the ...
24 votes
7 answers
21k views

Does taxiing time gets considered in a pilot's flying hours?

Basically the title. This could be referenced to US or European rules.
21 votes
2 answers
5k views

Has a plane ever run out of fuel while taxiing?

When planning a flight, the pilots calculate the fuel load, allowing for diversions, delays, etc. While listening to an ATC recording of 30 minute taxi times at JFK, I wondered whether a plane has ...
32 votes
3 answers
14k views

Why do we call moving an aircraft on the ground "taxi"?

We all know what "taxi" means to general public -- a car which carries you from A to B in exchange for your paying a fare. "Taxi" also means to drive an aircraft on the ground. Why do we call it that?...
11 votes
1 answer
3k views

What is this guy doing while walking along with the moving plane at the FRA airport?

While the aircraft was moving backwards (targeting takeoff), a guy was attached to it by a thread, probably "listening" to something, and was following the plane by walking at the same pace. ...
48 votes
5 answers
23k views

Who has the higher authority, the pilot in command or ATC?

I'm sure many people have heard about the communication between a Delta flight 2244 and Atlanta tower being on news today. When the Controller informs the Pilot he is on a wrong taxi-way, things get ...
4 votes
1 answer
1k views

What is "taxi speed" for an Airbus?

In the FCOM we can see a lot of "taxi speed", for example after landing: AT TAXI SPEED, ALL REVERSER LEVERS......STOW But what is taxi speed? Is there any definition or particular number? ...
9 votes
3 answers
3k views

Apply back-pressure during taxi?

My CFI (PPL) has on a few occasions pointed out that I need to apply back-pressure during taxi, even if we're taxiing on the apron at ~5 knots. While I can understand the benefits of doing so during ...
8 votes
2 answers
5k views

What is the proper technique for using rudder pedals with toe brakes?

I just had my first flight lesson the other day and I had some issues with using the rudder pedals and toe brakes for taxiing. For example, how do you steer and brake at the same time when making ...
1 vote
1 answer
312 views

How Do Airline Pilots Park Right on the Line? [duplicate]

I’m sitting here at the airport waiting on my flight and I’ve always wondered: how do airline pilots park those big birds (737s and above in size. I can understand smaller regional jets where you’re ...
3 votes
1 answer
185 views

What is the best way to move a touring motor glider over a wet grass surface?

In a flight club we operate an SF-25C (about 480kg empty). In fall and winter the surface (grass) of our taxiways often gets to wet so if we would move the aircraft we would damage the field and we ...
0 votes
2 answers
220 views

What does it mean when a hold short sign is out of service?

I prepared for "SELCAL" exam and in one of the routes I heard such information as RW 32 hold short sign at TWY L is out of service. I just don't understand this phrase. I appreciate it if ...
1 vote
2 answers
198 views

Does center of gravity change between ramp weight and takeoff weight?

Most documentation gives percentage weight distrubtion between main and nose gear for ramp weight. I'm curious if this weight distribution would be the same for takeoff weight.
5 votes
2 answers
576 views

Pilots use of the term "with" then a letter when talking to ground [duplicate]

In ground comms when taxiing a pilot may say for example: "Kennedy ground, DELTA412 HEAVY, is in KILO-FOX, short of ALPHA with PAPA". I get that this means they waiting a KF exit of the ramp ...
46 votes
6 answers
20k views

How do pilots identify the taxi path to the runway?

When the aircraft is readying to taxi, the ATC asks them to proceed to some runway number, say runway 09. In big airports, how do the pilots identify the correct path to their runway? Does the ATC ...
3 votes
1 answer
245 views

Does lack of a curved taxi-line indicate a turn is not permitted?

Does the lack of a curved taxiway centerline between two taxiways indicate that a turn is not permitted? Take for example the complex of taxiway connections at KATL here: 33.636153, -84.421919 (see on ...
2 votes
1 answer
399 views

Why is taxiing super slow after an ILS CATIIIB landing in almost zero visibility?

I have experienced my very first ILS CAT IIIB automatic landing at my own home airport Lucknow (VILK). I'm super excited but also have myriads of questions related to many unique procedures I saw ...
56 votes
8 answers
11k views

Why don’t airplanes use turn signals?

Why don’t airplanes use turn signals like cars do? Would this improve safety for ground operations at uncontrolled airports? Could a similar concept be used to indicate in air maneuvers? For example: ...
6 votes
1 answer
974 views

Is taxiing a small aircraft on a residential street legal?

I live with the back of my house to a Runway that runs north to south almost perfectly. I live on the west side of the runway, Across the street from me on the further west most side of the road ...
18 votes
2 answers
2k views

What is the cost savings of using electronic motors to taxi?

Aircraft manufacturers are now planning to use High Torque electric motors on the nose wheel of the aircraft, which is powered from the APU, to taxi the aircraft from the gate to the runway without ...
4 votes
1 answer
754 views

How much thrust and fuel are required to get a B767 moving from a complete stop?

How much thrust is involved, and how much fuel is burned, to get an aircraft like a Boeing 767 - or something similar - moving from a complete stop? Recently, I was on a 767 that took the "scenic ...
29 votes
4 answers
41k views

What is the maximum taxi speed and who defines it?

Which is the maximum speed that an airliner is limited to while taxiing? I know that during 90 degree turns it is 10 knots, but what about long, straight taxiways? 20 knots? 25? 30? More broadly, ...
5 votes
2 answers
4k views

What is the difference between stopbars and Intermediate Holding Position Lights?

I know that stop bars continuously light red and stand at before taxi route joint, holding points, or at the runway entrance, but what about the Intermediate Holding Position Lights? How can we ...
26 votes
1 answer
6k views

Are there any drawbacks to requesting progressive taxi every time?

Unless you know the airport like your own backyard, it seems like requesting progressive taxi would always be the safest option to essentially eliminate the possibility of taking a wrong turn or ...
2 votes
1 answer
517 views

How to correctly interpret the taxi procedures in ICAO Doc 4444?

I have a question to ICAO Doc4444, Chapter 12.3.4.7, Taxi procedures for departure, c). My question is how to interpret the following, knowing that words in parentheses are mandatory, and words in ...
4 votes
2 answers
1k views

How serious is the problem of "stopping too far" next to the jet bridge?

In the answer to the recent question "How does an airliner adjust ...", there is the mentioning of the signal: "STOP TOO FAR". But what to do if you see this? In other words, if ...
17 votes
5 answers
5k views

Has there been any attempt to use an underground cable system, a la a cable car, to tow aircraft along taxiways? [duplicate]

I've been looking at some proposals to try to reduce the time that an airliner's main engines are run at idle or near idle when taxiing to and from runways--a situation that uses non-trivial amounts ...
0 votes
3 answers
490 views

Taxi to spot?? Hot spot? What is meant by this?

I heard ground controller at KPHL say taxi to spot so and so? What do they mean by this during taxi procedures.
25 votes
2 answers
5k views

How can this kind of confusion about taxi instructions occur?

A few days ago, I (a student pilot on a solo) had landed on runway 9 for a full stop taxi back. The taxi instructions were "alpha to 27 remain on this frequency". I missed some words in between these ...
4 votes
3 answers
2k views

How does ATC direct aircraft on ground from the parking to the runway?

For medium size airports, ATC will direct aircraft with a single message like this "Taxi to runway 29 via Papa, Sierra". I was wondering if it was the same thing for bigger airports (like ...