MOC VTOL.2120
Climb requirements
n/a
(a) For Category Enhanced, the climb gradient without ground effect, at 305 m (1 000 ft) above the take-off surface, should be at least 2.5 %, for each combination of weight and CG, altitude, and temperature for which take-off data are to be determined, and for the duration of the flight:
(1) following a critical failure for performance (CFP) and with the remaining lift/thrust engines at maximum continuous power, if approved, or at take-off power for aircraft for which certification for use of take-off power is requested; and
(2) with the landing gear retracted (if applicable) and the aircraft in cruise configuration; and
(3) at the speed selected by the applicant.
Note: The altitude of 305m (1 000 ft) is proposed as currently used for Category A helicopters. Different cruise altitudes can be considered if compatible with the departure and en-route profile.
See MOC VTOL.2115 and 2130 for specific climb requirements for take-off and balked landing.
(b) For Category Basic, the climb gradient without ground effect, at 305 m (1 000 ft) above the take-off surface, should be at least 2.5 %, for each combination of weight and CG, in nominal conditions (no failure conditions), at ISA SL and for the duration of the flight.
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