TABLE 12 (Continued)
Aircraft Aprons (Fixed- and Rotary-Wing Aircraft)
Grades in cleared area
beyond shoulders to fixed
or mobile obstacles:
Class A and B Runways
Aircraft Parking Apron
Service Point Requirements
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.
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.
Electrical. None Required.
Static. Aircraft tiedowns (mooring eyes) will
provide adequate static grounding with
resistance well below 10,000 ohms.