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Holding Apron

The holding aprons are areas adjacent to runway ends where aircraft park briefly before takeoff. Aircraft are held for reasons like a busy runway, engine checks, or instrument checks. Apron shapes can be rectangular or trapezoidal. Design criteria include sufficient space for aircraft to maneuver and bypass other aircraft, accommodating the largest aircraft type, and permitting rapid entry to the runway at an angle less than 90 degrees. Location is important to allow the closest entry to the runway end while keeping held aircraft outside bypass routes.

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Elisha Dizon
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532 views2 pages

Holding Apron

The holding aprons are areas adjacent to runway ends where aircraft park briefly before takeoff. Aircraft are held for reasons like a busy runway, engine checks, or instrument checks. Apron shapes can be rectangular or trapezoidal. Design criteria include sufficient space for aircraft to maneuver and bypass other aircraft, accommodating the largest aircraft type, and permitting rapid entry to the runway at an angle less than 90 degrees. Location is important to allow the closest entry to the runway end while keeping held aircraft outside bypass routes.

Uploaded by

Elisha Dizon
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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The holding aprons are generally the places which are adjacent to the ends of runways where the

aircraft park briefly before taking off.

Holding apron
Aircraft are held due to

-runway being busy

-engine run up or warming up

-cockpit or instruments check up before take off

Apron shape

-rectangular shape

-trapezoidal shape

Design Criteria

-Adequate space for aircraft to maneuver easily into the runway irrespective of position of adjacent
aircraft on the apron

-Sufficient room for an aircraft to bypass parked aircraft on the apron

-Configuration

Area should be sufficient to accommodate three to four aircrafts of the largest size expected to be
handled by the airport

-Entry to runway

The departing aircraft should enter the runway at an angle less than 90˚ to permit rapid turn off from
taxiway

-Facility Bypass

Apron size should be large enough so that if any aircraft is unable to take off another aircraft is
ready to take off can bypass it.

-Holding Bays

Small areas located conveniently to hold aircrafts during the busy period until a gate become
available

-Location

the aircraft and the aircraft should be permitted to enter the runway as close to the end of
the runway as possible

Then holding aircraft should be placed outside the bypass route so that blast do not affect
the bypassing aircraft
-Peak Demand

During peak periods traffic volume exceeds holding capacity. This result in queuing

-The clearance between the wing tips of the parked aircraft should not be less than 7.5m

-As far as possible, the entry into the runway should be made with an angle of 30 degrees

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