
FMS-D212-725-1
Page 1-25
• COPYRIGHT © 2007 BY DART AEROSPACE LTD •
This document is private and confidential and is supplied on the express condition that it is not to be used for any
purpose or copied or communicated to any other person without written permission from Dart Aerospace Ltd.
Revision:
G
TC Approved Date: 13.08.09
1.17.3 Oil – Engine
Oil conforming to MIL-L-7808E (and subsequent) may be used at all ambient
temperatures.
Oil conforming to MIL-L-23699 may be used at all ambient temperatures
above -40°C (-40°F) engine only
1.17.4 Oil – Transmission, Intermediate and Tail
Rotor Gearboxes
Oil conforming to MIL-L-7808 (NATO 0-148) may be used at all ambient
temperatures.
Oil conforming to DOD-L-85734AS (Turbine 555) and MIL-L-23699 (NATO 0-
156) may be used at all ambient air temperatures above -40°C (-40°F).
Note
DOD-L-85734S or MIL-L-23699 is recommended.
1.18 Rotor Brake
Engine starts with rotor brake engaged are prohibited. Rotor brake
application is limited to ground operations and shall not be applied until the
engine has been shut down and ROTOR RPM has decreased to 40% or
less.
1.19 Heater
Heater shall not be operated when OAT is above 21°C (69.8°F)
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