Questions tagged [holding]

Holding is the practice of flying circles or circuits in order wait for an ATC clearance to proceed further.

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21
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3answers
4k views

Was ATC overstepping its boundaries when advising a pilot to ignore a cell warning?

I found a clip on YouTube (via an article on Jalopnik) of an Aer Lingus pilot departing from JFK. Due to a weather cell showing up on his instruments, he can not make the left ATC asks him to make. ...
15
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3answers
4k views

How do airplanes get stacked in a holding pattern?

This question prompted me to wonder how it works at a major airport. Let's say four airliners all are scheduled to arrive within a few minutes of each other to a major airport, perhaps from the four ...
13
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3answers
9k views

How to correct for crosswind in VOR holding pattern without wind information?

I've heard many articles about crosswind correction in VOR holding pattern. They mainly tell the outbound leg=correction times three things for slow speed aircraft. I notice all of them require wind ...
13
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5answers
2k views

How do you hold at a non-towered airport?

Let's say, hypothetically, that you enter the pattern for a small, non-towered airport (my local one, 3DW, may be a good example.) But as you get into the pattern you find out that the runway is ...
13
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1answer
1k views

Have there ever been any accidents within holding stacks?

At a busy airport, up to a dozen aircraft waiting to land may fly the same holding pattern at the same time, separated vertically by 1,000ft. — a stack. Some ATC towers have dedicated Stack ...
12
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3answers
1k views

During the holding procedure is it required that the pax must have the seat belt on?

Imagine to have to hold at a busy airport before landing for a quite long time (let's say 20 plus minutes), does it requires that the pax must have the seat belt on during the whole holding procedure? ...
11
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3answers
792 views

Do helicopters fly holding patterns under IFR?

If a helicopter is flying an IFR flight plan, and the airspace around the destination is busy, will controllers tell them to fly holding patterns just like planes do? Or will they hover at the holding ...
11
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2answers
2k views

Why do holds at or below 14,000 feet have different procedures?

When holding at or below 14,000 feet, the time for each leg is 1 minute. However, above that altitude, the legs are flown for 2 minutes, and the turns for 1 minute and half. Are these differences due ...
11
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3answers
1k views

How do I clear an aircraft to exit a hold?

I'm learning ATC and one question is worrying me.. How do I tell a pilot to exit a hold and continue inbound... Eg: pilot has entered hold and done one orbit. and started the second, and I want the ...
10
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1answer
2k views

How to properly enter a holding pattern?

Once ATC have assigned me a holding pattern, how do I determine where to intercept it? And once that I have determined the intercept point, how do I proceed? I have heard about the teardrop and the ...
10
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1answer
2k views

When and how can pilots waive wake turbulence holds in the US?

According to FAA rules, controllers are required to hold aircraft 2 or 3 minutes for wake turbulence under certain conditions. When is that wake turbulence hold required, and when are pilots allowed ...
9
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2answers
2k views

How do I fly a direct entry holding pattern when approaching from an awkward angle?

If my course lies anywhere within 30 degrees adjacent to the 'direct entry' sector borders, do I fly the holding pattern as depicted below?
9
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2answers
200 views

Does an amended shortcut clearance change the clearance limit?

A typical IFR cleared route is like, KABC VOR1 V12 VOR2 V23 VOR3 V34 VOR4 KXYZ Suppose the verbal ATC clearance is "N7890, you are cleared to KXYZ airport, KABC.ZYBUD departure, radar vector VOR1, ...
7
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1answer
366 views

How frequent are unpublished holding patterns outside general aviation?

Flight regulations say that ATC may put an aircraft in a holding pattern, which is not published in the charts but I couldn't find any such case in FlightAware. I have been searching on the Internet ...
7
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2answers
4k views

Are we expected to fly distanced leg (instead of timed leg) in holding pattern in GPS approaches?

The standard inbound/outbound holding leg are 1 min leg each (no wind condition). I noticed that a distance (4 nm in the following example) is noted in many GPS approaches. Do we need to fly the leg ...
7
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1answer
626 views

Am I required to report entering the hold in lieu, persuant to the IFR mandatory reporting points?

You are cleared for the RNAV (GPS)-A approach at 0S9. You are cleared direct JIGEB then at or above 3200 to YAYUB then cleared RNAV GPS A. You are not asked to report anything. Upon arriving at ...
7
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1answer
394 views

What is the time information on the G1000 MFD map during a hold?

I just completed an ILS approach and went missed. I followed the published missed approach and entered the hold. When I entered the hold, on the MFD map a timer-like display was on top of the "...
6
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3answers
206 views

What should you do when the pattern is crowded?

If you're approaching a non-towered field and you find that the pattern is too crowded to enter what do you do? Provided you have adequate fuel to wait for an opening is there a standard place and ...
6
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3answers
301 views

What vertical separation is required in a holding stack to avoid wake turbulence?

Sometimes in my free time I play Endless ATC, a game where one acts as the approach and departure controller. In the game (as in real life) the controller is forced to put planes in a holding stack, ...
5
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2answers
82 views

What is meant by “Outbound leg timing begins over/abeam the fix, whichever occurs later” in FAR/AIM 5-3-8?

In FAR/AIM, 5-3-8. Holding part, There is a sentence that says (b) Outbound leg timing begins over/abeam the fix, whichever occurs later. I got to know that the word 'over' is for parallel or ...
4
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4answers
555 views

Why can US deny airspace to commercial flights?

On September 25, 2011 i flew from Mexico City (MMMX) to Frankfurt, Germany (EDDF). It was a comfortable night flight in a Boeing 747 until we started to fly over the Gulf of Mexico in holding pattern....
4
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0answers
109 views

Do airliners use more fuel at low altitude than high altitude? [duplicate]

Air density at lower altitudes is higher, and thus provides more resistance to objects moving through it. Is this higher density enough to practically impact the fuel efficiency of an aircraft flying ...
3
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3answers
941 views

What is an autopilot washout filter?

In the context of aircraft autopilot design, I do not understand what is washout filter is [Heading Hold - Lateral Dynamics] and what is it used for. May anyone explain to me?
3
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2answers
101 views

When a hold is distance based, do you still used a timed entry?

Let's say you have to do a parallel or tear-drop entry to enter this distance-based holding pattern. Do you still fly outbound from the fix for one minute and then make your turn inbound to re-...
3
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2answers
492 views

Where can I find details of the holding models for JFK, Schiphol, Heathrow and Dubai?

Does anyone know the stack (holding) models for the JFK, Schiphol, Heathrow and Dubai airports? I mean, not where the aircraft hold but rather how is it planned and what concepts are used? Or how I ...
3
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2answers
603 views

When there is a holding pattern assigned by a civilian airports ATC, do military aircraft get first priority over landing?

When a military aircraft is landing at a civilian airport, and a holding pattern is in place, do military aircraft get to skip the que, or join in earlier in the holding pattern?
2
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4answers
312 views

What is the maximum holding time?

When arriving at a busy airport, airliners may be stacked in holding patterns, increasing flight time. I know airliners are required to carry extra fuel in case of rerouting (including a safety margin)...
2
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2answers
2k views

Which regulation requires me to report entering a hold?

I have seen in many bulletin boards that a pilot is supposed to report upon entry into a holding position. I can find that reporting nowhere in the regulations . I can find in the regulations where a ...
1
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1answer
1k views

What are Altitude, Attitude and Heading Hold?

Can someone give a good and simple explanation about these three dynamics? Altitude Hold Attitude Hold Heading Hold
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1answer
436 views

Is a holding pattern always counter-clockwise?

Is a holding pattern always counter-clockwise? Or is it dependent upon the controlling airspace?
1
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1answer
132 views

Can a holding pattern be in class G airspace?

Is separation provided between aircraft holding in class G airspace? Could there be a holding stack in class G?
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1answer
62 views

What crosstrack should I have during a holding pattern?

I want to know if the ATC is expecting a maximum crosstrack depending of the plane's speed. I've learn to be at 2.2nm for my holding (with 175kias) but is it just a distance to help me or a rules ? ...
1
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1answer
690 views

When/how to set the inbound or outbound course when intercepting a VOR for a DME hold?

I have question for holding pattern. As I know, when I do DME holding I have to intercept VOR radial and decide entry. However, when I do this I am so confused and do not know how I can select ...
1
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1answer
448 views

How do holding patterns work?

How does a pilot follow a holding pattern? Do pilots have to manually change heading and altitude (through the autopilot) each time they are making a turn? Or is it something the Flight Management ...
1
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0answers
139 views

Are 360s by a B777 common in the holding pattern? [duplicate]

I found this forum having tried to find the answer on Google. I was on a B777 coming into Heathrow from Miami yesterday (AA56) and was expecting us to go into the usual hold. The attached picture ...