a helicopter with performance such that, in case of engine failure, it is able to safely continue the flight, except when the failure occurs prior to a defined point after take-off or after a defined point before landing, in which cases a forced landing may be required
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Valdkond ICAO lisade põhjal loodud klassifikaatori järgi: Lennukõlblikkus; Õhusõidukid
(i) the transition point cannot be located before the end of TODRH for helicopters operating in performance Class 1 and before the DPATO for helicopters operating in performance Class 2; ...
