take-off decision point (TDP)

‘take-off decision point (TDP)’ means:

(a)for helicopters, the point used to determine take-off performance from which, an engine failure having been recognised at this point, either a rejected take-off may be made or a take-off safely continued;

(b)for VCA, the first point defined by the combination of speed and height from which a continued take-off may be performed meeting the certified minimum performance (CMP) following a CFP and is the last point in the take-off path from which a rejected take-off is assured;