Questions tagged [ground-operations]

Servicing an aircraft on the ground before or after flight

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0answers
66 views

How does push forward work? [duplicate]

From Facebook video shows a BA aircraft being pushed forward into a hangar. I wonder how it works? Do they rotate nose wheel 180 degree to push it or there is attachment point for the tug to push ...
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2answers
450 views

What are the meanings of these terms used in ATC ground communications?

Regarding ATC ground communications, what/who are the following callees? Are these aircraft, or vehicles, or people? [Airline name] maintenance [Airline name] tug [Airline name] mechanic
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1answer
340 views

How fast can an airliner (like a Boeing 747) taxi backwards?

Forgive my lack of understanding, I thought I'd just buy a simulator and mess with it. I really don't know much of anything in terms of MSFS2020 or simming really at all. I realize that airliners can ...
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2answers
283 views

Do pilots turn off the engines during de-icing?

During winter operations and de-icing are the engines (jet engines) usually in operation? If not, what is the reason for that? Also I was wondering if the engine nacelles require de-icing since I have ...
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2answers
2k views

What would be the hazard of raising flaps on the ground?

I was reading ASRS report when I found something I don’t understand. What would be the hazard of raising flaps on the ground? What bad thing can happen? However, with all the activity around the ...
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1answer
496 views

What will happen on Airbus A320-200 series when during push back NW STRG DISC in not in the towing position?

During pushback what might happen if the NW STRG DISC is not indicated green on ECAM? Will I have an ECAM warning? What would be the worst case scenario that might happen?
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1answer
139 views

How long does it take to refuel a Cessna Citation X+?

Does anyone have any sources that can tell the the number of fueling nozzles and the fueling rate for a Cessna Citation X+ or a Cessna Citation X?
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3answers
3k views

Can a completely drained battery be recharged via ground power on an airliner like the B737?

When accidentally leaving the battery switch or something powered by the hot battery bus on over night, an aircraft's battery could completely discharge. Normal startup, where the battery is switched ...
26
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1answer
5k 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 ...
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1answer
152 views

What is the ground idle fuel flow of an A320 (CFM or IAE or neo)?

Standing on ground, what is the idle fuel flow of an A320? ISA conditions, both engines running?
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3answers
833 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 ...
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2answers
5k views

Do I need explicit clearance to taxi on an inactive runway?

I received taxi instructions from ground at a class D airport in the USA as follows (I was at ramp): Taxi to runway 04, Right on Bravo, left on 10, right on Alpha (no explicit clearance or hold short ...
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1answer
657 views

What's an “outrigger” for parking aircraft on a carrier?

In this picture of the USS Intrepid (CV-11), there appears to be an aircraft parked with the tail hanging off the deck: (Source) The caption gives a clue: The U.S. Navy aircraft carrier USS ...
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4answers
414 views

What is the minimum number of people required to manually pushback a 747?

Similar to : Is there a minimum number of people needed for an aircraft pushback? After watching this video I wonder what would be the number of people required to manually push back a 747. ...
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2answers
3k views

Is it common for aircraft tugs to work from under the aircraft?

I came across this photo showing a tug attached in a way I have never seen before. I assume it was used to allow the aircraft closer to the terminal. Did this require special equipment or ...
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2answers
396 views

How do airlines bring spare parts to aircraft stranded outside their main facilities?

No professional relationship with aviation. Just an avid follower. I guess it depends on location/part availability, etc, but looking for what typically happens. For the purpose of the question, ...
4
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1answer
299 views

Is it allowed to start engines during push-back?

Is it allowed, considered safe, and done, to start the engines while the aircraft is moving under the push-back power? On one hand it seems like a big time saving, on the other hand the running ...
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2answers
708 views

How does the 3 pin ground power connector (AN2551) work?

I understand the premise of the 3rd (smaller) pin (top of the image) is to delay switching power until the two main pins have made positive contact with the aircraft socket on plug insertion; and ...
22
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3answers
12k views

Why do airliners park with the nose facing the terminal?

A few other questions have touched on why we don't board airliners from the front and back at the same time. My question is why is it that we choose to board at the front, rather than park the ...
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3answers
619 views

What was this vehicle doing?

On a trip a few weeks ago traveling out of Charlotte (CLT), I took this picture of a vehicle at the airport. Our plane was fueled as we were about to board but due to various factors, boarding didn’t ...
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0answers
236 views

How can luggage be lost if it has a bag tag? [closed]

I lost a bag on a flight from BKK -> ARN -> CPH two weeks ago. I immediately filed a report at CPH when the bag hadn't arrived after more than an hour of waiting. Since then there has been no updates ...
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1answer
541 views

What is the difference between “Bay” and “Stand”?

When should we use the word Stand and when Bay for ATC taxi clearance?
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1answer
113 views

Is there a difference in use of external lights for taxi in/out or takeoff/landing?

Will there be a different light pattern (like turning on/off different exterior lights) between taxi in and taxi out, and between takeoff and landing?
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1answer
90 views

External Batteries [closed]

As a part of a project for a class we were tasked with trying to cut emissions/energy waste of airplanes. Now we've realized that running the apu on the ground at the gate and taxiing is a serious ...
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1answer
4k views

Which (if any) is the “most major” airport / field / strip on Antarctica?

Which airport (/field, /strip, /skiway) is the "biggest", "most supported" on Antarctica? So, has the most permanent staff (do any?) has the most runway facilities such as say runway lights, ...
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0answers
133 views

What role does this ground crew member fulfill?

At the Miramar airshow a couple of weeks ago I noticed that in addition to the crew chief of each Blue Angel there was one additional individual standing behind the crew chiefs between aircraft #3 and ...
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1answer
492 views

What's the plug used on airliners for ground power?

What's the plug pair called? What's the ISO/whatever standard involved? What do they look like close-up? Is it pretty standard today worldwide? Is the plug identical for the hugest airliners as for ...
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1answer
794 views

Are Ground Crew Airline or Airport Personnel?

Are ground crews (baggage, tug operators, fuel, aircraft parking guides, etc.) hired by the airline or by the airport authority? I’ve always been curious. What are the norms worldwide vs US? Small ...
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1answer
93 views

How to calculate on ground aircraft yaw rate knowing the longitudinal speed and inferred yaw angle

Please consider the following scenario: a generic aircraft is on-ground taxing at 50 feet per second (~15.25 m/s, ~29.5 knots) The pilot inferred 20 degrees of yaw How can I calculate the yaw rate ...
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1answer
259 views

What type of jack is the flight interphone on transport category aircraft?

Recently became an A&P and part of my job is to be on the ground communicating to the pilots during push backs. Started shopping for a headset and have seen various ones with different adapters ...
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0answers
190 views

Do visual docking systems improve safety?

Are there any studies that shows A-VDGS (Advanced Visual Docking Guidance System) is improving the safety of aircraft movements on airports?
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2answers
294 views

What needs to be considered when changing a tire during boarding/deboarding?

Passenger aircraft tires are physically inspected by the cockpit crew member or technician after each landing or before take-off, that the tire may have been cut or punctured as it may have hit ...
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1answer
404 views

One man push-back

Towbarless pushback operation of a passenger aircraft is generally done with at least 2 people. The first person (walk-out assistant) communicates with the cockpit crew members and observes the ...
2
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1answer
842 views

Why is there always a fire truck present before refuelling?

Whenever I fly within Europe, I notice there is always a fire truck present for refuelling before takeoff. Is this standard procedure for every flight in commercial aviation? If yes, is this a global ...
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3answers
745 views

What is a metering frequency and why would an airport have it?

I just read a post from a pilot complaining about how he thought a metering frequency was useless. It has something to do with being on the ground at an airport. What is it, what purpose does it ...
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1answer
408 views

How is the load & trimsheet form sent to ACARS?

After the last passengers and baggage are loaded onto the aircraft, the pilot in command is given a form called load & trimsheet which shows the passenger/baggage distributions, total weights and ...
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1answer
211 views

Is there a Risk of Tail Tipping during Push-back of a passenger aircraft?

I remember that there were countless incidents occurred in which the aircraft sits on the tail as the aircraft was heavily loaded at the back of the cargo and/or cabin compartments or the cargo ...
27
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3answers
5k views

How could the B-29 bomber back up under its own power?

I was watching some footage of the Enola gay I was interested in the part where the plane was backing up over the bomb (starts around 18:27). It appears to be doing ...
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1answer
291 views

Are there surveillance cameras in aircraft cargo bays?

I've heard that there are cameras on the fuselage and wings of some passenger aircraft. Is there a similar surveillance system in-built at the cargo bay/compartment of a passenger aircraft? During ...
22
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3answers
6k views

Why does the headset man not get on the tractor?

As far as I can see, the pushback operation of a passenger aircraft is carried out by a similar application at many airports. It's a towbarless tractor and driver who pushes the aircraft together with ...
5
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1answer
274 views

How should ground crews act to safely extinguish an airliner's brake unit fire?

When the brake unit was overheated and had just begun to catch fire due to excessive braking because of long taxi distance upon arrival, the ground personnel (not firefighters) made the first ...
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2answers
635 views

Does the person directing the plane to parking not risk getting ingested by a jet engine?

According to answers in this post, a jet engine can suck a human into its engines, even on idle power. Aircraft use their engines post landing taxi and into their parking space, and I notice people ...
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0answers
245 views

Can 7 AKE containers adjacent to each other be securely locked in a 777-300ER's aft cargo bin?

Is it possible to securely lock 7 AKE (LD3) containers adjacent to each other in a Boeing 777-300ER's aft cargo bin from position 31 to 41 (41 included)? According to my experience it's impossible to ...
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1answer
4k views

What's the difference between CPM and LDM?

I know CPM is cargo pallet message and LDM is load distribution message, but what's the difference between them ?
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1answer
137 views

Does the FAA allow a jet bridge to approach an aircraft that has engine #2 running?

Does the FAA allow a jet bridge to approach an aircraft that has engine #2 running?
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275 views

What is DPI? How is it Useful? And How does it work?

I have heard of DPI (departure planning information) status for a flight. I wanted to know what is this Status for? How is it computed or determined? What are the different status for it if any and ...
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1answer
338 views

What if the tower Is obstructed by clouds?

I know towers use radar to watch aircraft, obviously. But what about ground controllers? What if their view is obstructed by a low cloud level/fog? Is there such a thing as ground-based traffic ...
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1answer
173 views

Are there specific names for airport vehicles used for de-icing?

Do de-icing vehicles used at airports for de-/anti-icing procedures have special names? I-ve searched the internet but have not found the exact names of these vehicles.
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1answer
312 views

How do typical ground marshaling signals differ for helicopters?

There are common hand signals used by ground crew for fixed wing aircraft like 'taxi forward', 'spin up engine #1', 'turn right', or 'stop', for example: At most airports, general helicopter traffic ...
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1answer
270 views

Can an increased current rating of a Ground Power Unit damage an aircraft? [closed]

Assuming you are working on an Aircraft, where the Ground Power Unit (GPU) is rated at 28V DC with max. 1000 amperes. What is the danger involved if your are to increase the current rating of the GPU ...