NCC.OP.152 Destination alternate aerodromes — helicopters

For IFR flights, the pilot-in-command shall specify at least one weather-permissible destination alternate in the flight plan, unless:

(a) an instrument approach procedure is prescribed for the aerodrome of intended landing and the available current meteorological information indicates that the following meteorological conditions will exist from 2 hours before to 2 hours after the estimated time of arrival, or from the actual time of departure to 2 hours after the estimated time of arrival, whichever is the shorter period:

(1)  a cloud base of at least 120 m (400 ft) above the minimum associated with the instrument approach procedure; and

(2)  visibility of at least 1500 m more than the minimum associated with the procedure; or

(b) the place of intended landing is isolated and:

(1)  an instrument approach procedure is prescribed for the aerodrome of intended landing;

(2)  available current meteorological information indicates that the following meteorological conditions will exist from 2 hours before to 2 hours after the estimated time of arrival:

(i)  the cloud base is at least 120 m (400 ft) above the minimum associated with the instrument approach procedure;

(ii)  visibility is at least 1500 m more than the minimum associated with the procedure.

(3)  Provision repealed before document was retained.