Custom Search
|
|
|
||
 MIL-HDBK-1021/1
TABLE 12 (Continued)
Aircraft Aprons (Fixed- and Rotary-Wing Aircraft)
Item
Criteria
Grades in cleared area
beyond shoulders to fixed
or mobile obstacles:
Class A and B Runways
10.0% maximum.
TABLE 13
Aircraft Parking Apron
Service Point Requirements
Item
Criteria
Tiedowns
Provide mooring eyes over entire parking apron
including peripheral taxi lane, unless
peripheral lane happens to be flexible
pavement. Spacing (on centers): 12'6" x 15'0".
For details of mooring eyes and typical
installations, see MIL-HDBK-1021/4, Rigid
Pavement Design for Airfields.
Service points
For location see NAVFAC P-80. For additional
requirements see paragraph 7.2.4. Each service
point provides the following when authorized:
Two 100 ampere, 115/200 volt, 3 phase, 4
wire, 400 hertz aircraft service cables.
Two 100 ampere, 480 volt, 3 phase, 4 pole, 60
hertz receptacles. Fourth pole is for
equipment grounding connection.
Two 20 ampere, 125 volt, 1 phase, 2 pole, 3
wire duplex receptacles. Serve from a
480-120/240 volt, 60 hertz transformer.
Engine starting air, 180 lb/min at both 45
and 75 psi, with a 3-inch hose outlet.
Grounding
Electrical. None Required.
receptacles
Static. Aircraft tiedowns (mooring eyes) will
provide adequate static grounding with
resistance well below 10,000 ohms.
66
|
 
|
|
|
||
