Attachment 3
Table A3.1. Facility Class 1: Operational and Training Facilities, Category Group 11:
Airfields Pavement, General
Category
Item and Allowance
Code
11341
Hangar Access Apron, Unsurfaced
An unpaved, prepared surface that connects an aircraft parking apron with a hangar.
It is generally equipped with tiedowns and grounding devices. From an operational
point of view, an apron includes the prepared surface, tiedowns, grounding devices,
stabilized shoulders, lighting from the hangar, and lateral clearance zones. For
inventory purposes, only the prepared surface is included.
11350
Aircraft Runway Holding Apron, Surfaced
A paved surface which provides an aircraft holding area that is accessible from a
taxiway. It is located near the intersection of taxiways and at the ends of runways. It
is provided for pre-takeoff engine and instrument checks. From an operational point
of view, an apron includes the prepared surface, stabilized shoulders, lighting, and
lateral clearance zones. For inventory purposes, only the prepared surface is
included.
Aircraft (engine run up) holding aprons are authorized for each runway. The area for
the holding apron will be sized to accommodate those assigned and transient aircraft
which normally use the runway and should not exceed 3135 m2 [3,750 yd2] each,
without submitting special justification. Holding aprons are usually programmed
with, and as a part of, the parallel taxiway system.
11351
Aircraft Runway Holding Apron, Unsurfaced
An unpaved, prepared surface which provides an aircraft holding area that is
accessible from a taxiway. It is located near the intersection of taxiways and at the
ends of runways. It is provided for pre-takeoff engine and instrument checks. From
an operational point of view, an apron includes the prepared surface, stabilized
shoulders, and lateral clearance zones. For inventory purposes, only the prepared
surface is included.
A3-8
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