CS 27.1585 Operating
procedures
ED Decision 2003/15/RM
(a) Parts of the manual containing operating procedures must have information concerning any normal and emergency procedures and other information necessary for safe operation, including take-off and landing procedures and associated airspeeds. The manual must contain any pertinent information including:
(1) The kind of take-off surface used in the tests and each appropriate climb out speed; and
(2) The kind of landing surface used in the tests and appropriate approach and glide airspeeds.
(b) For multi-engine rotorcraft, information identifying each operating condition in which the fuel system independence prescribed in CS 27.953 is necessary for safety must be furnished, together with instructions for placing the fuel system in a configuration used to show compliance with that paragraph.
(c) For helicopters for which a VNE (power-off) is established under CS 27.1505(c), information must be furnished to explain the VNE (power-off) and the procedures for reducing airspeed to not more than the VNE (power-off) following failure of all engines.
(d) For each rotorcraft showing compliance with CS 27.1353(g)(2) or (g)(3), the operating procedures for disconnecting the battery from its charging source must be furnished.
(e) If the unusable fuel supply in any tank exceeds 5% of the tank capacity, or 3.8 litres (0.8 Imperial gallon/1 US gallon), whichever is greater, information must be furnished which indicates that when the fuel quantity indicator reads ‘zero’ in level flight, any fuel remaining in the fuel tank cannot be used safely in flight.
(f) Information on the total quantity of usable fuel for each fuel tank must be furnished.
(g) The airspeeds and rotor speeds for minimum rate of descent and best glide angle as prescribed in CS 27.71 must be provided.
Small rotorcraft operating manuals must detail normal, emergency, takeoff, and landing procedures, including airspeeds and surface types used during testing. Multi-engine procedures for fuel system independence and autorotation airspeed limits are required. Battery disconnection, unusable fuel limitations, total usable fuel, and descent/glide airspeeds must also be specified for safe helicopter operation.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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