Limitations
CSP
−
E
−
1
ROTORCRAFT FLIGHT MANUAL
MD 500E
(Model 369E)
Revision 13
2
−
10
FAA Approved
Table 2
−
1. Unusable Fuel: Standard Non Self
−
Sealing Fuel Tanks
Fuel Type
Liters
Imp.
Gal
U.S.
Gal
Pounds/
Kilograms
Jet−A
7.2
1.6
1.9
13.1/5.9
Jet−B
7.2
1.6
1.9
12.5/5.7
Table 2
−
2. Unusable Fuel: Optional Self
−
Sealing Fuel Tanks
Fuel Type
Liters
Imp.
Gal
U.S.
Gal
Pounds/
Kilograms
Jet−A
7.9
1.7
2.1
14.3/6.5
Jet−B
7.9
1.7
2.1
13.6/6.2
Cold weather operations:
Fuels must meet anti−icing capability of JP−4 when operating at 4
°
C (40
°
F)
or less.
The 250−C20R/2 (SP) engine does not require fuel anti−ice additives above
fuel temperatures of −30
°
F (−34
°
C). However the continued use of anti−ice
additives under all temperature conditions is recommended to provide addi-
tional protection against fuel system icing and microbiological contamina-
tion.
Fuel filter:
Upon completion of the flight in progress, further flight is prohibited until
the fuel filter has been serviced following the illumination of the FUEL
FILTER caution light.
Fuel system purging:
Further flight is prohibited until the fuel system is purged (see HMI) following:
Engine flameout caused by fuel exhaustion.
Draining fuel from engine compartment fuel drains (if installed) without the
start pump on.
Engine shutdown using emergency fuel shutoff valve.
Motoring the helicopter engine without fuel in the fuel tank.
