MD Helicopters MILVIZ MD530F, Руководство по летной эксплуатации вертолетов, Страница: 45 / 326

MD 500
(Models 369HE/HS/HM) ROTORCRAFT FLIGHT MANUAL CSP
−
HE/HS
−
1
FAA Approved
Revision 5
2
−
3
2
−
2. ENVIRONMENTAL OPERATING CONDITIONS
Kinds of operations:
This rotorcraft is certified in the normal helicopter category for day and
night VFR operation when the appropriate instruments and equipment re-
quired by the airworthiness and/or operating rules are approved, installed
and are in operable condition.
Maximum operating altitude:
Maximum operating density altitude is 20,000 feet.
Ambient temperature limitations:
At sea level, the maximum engine inlet temperature is 54
°
C (130
°
F) varying
linearly to 6000 feet pressure altitude at a maximum temperature of 35
°
C
(95 ° F) varying linearly to 20,000 feet pressure altitude at a temperature
0
°
C (32
°
F). It is to be assumed that engine air inlet temperature is the
same as ambient (free air) temperature.
Cold weather operations:
Flight into known icing conditions is prohibited.
Flight operation is permitted in falling and/or blowing snow only when the
Automatic Engine Reignition Kit and Engine Failure Warning System are
installed and operable.
2
−
3. AIRSPEED LIMITATIONS
From sea level to 3000 feet: Limit V
NE
to 130 knots IAS.
Select the appropriate V
NE
placard (based on gross weight) prior to takeoff
(Ref. paragraph 2−14)
See Figure 2−1 for variations of V
NE
with altitude with 250−C18.
See Figure 2−2 for variations of V
NE
with altitude with 250−C20.