MD Helicopters MD900 with PW206E, Flight Manual

Page: 110 / 450

CSP–900RFM206E–1
ROTORCRAFT FLIGHT MANUAL
MD900 With PW 206E
Emergency and
Malfunction Procedures
FAA Approved
Original
3–40
EXTINGUISHER PRESSURE LOW
Indications: EXTNGSHR PRESS LO message on IIDS alphanumeric display
Conditions:
Low pressure in Halon containers
Procedures:
Advise maintenance
IPS BYPASS
Indications:
IPS BYPASS message on IIDS alphanumeric display.
Conditions:
Both IPS bypass doors open.
Procedures:
Advisory only
NACA INLET MALFUNCTION
NOTE
: Helicopters with the standard engine inlet screen do not have NACA doors.
Indications: NACA DOOR message on IIDS alphanumeric display.
Conditions: NACA door(s) in the incorrect position.
Procedures:
NOTE
: In the event that the malfunction results in one door remaining closed after the
aircraft has gone beyond the threshold airspeed of 47 KIAS, the engine with the
closed NACA door will indicate a higher EGT than the engine having the NACA
door open.
F
Place NACA INLET switch in CLOSE if flying in falling or blowing snow (Ref.
Section II).
NOTE
: Flight into falling or blowing snow is only permitted when the NACA inlet switch
is in the closed position. The switch shall remain in the closed position for the
duration of the flight, even after leaving the falling or blowing snow conditions.
F
Advise maintenance
ROTOR SPEED DISPLAY MALFUNCTION
Indications: Rotor speed display blanks.
Procedures:
Avoid high rates of descent and maneuvers that would cause the rotor to
overspeed (e.g., rapid decelerations, quick stops, etc.)