ATPL: All aeroplanes which individual certificates of airworthiness were issued after 1 January 1989 must be fitted with a flight data recorder when their maximum certificated take-off mass is greater than:
Question 42, Operational Procedures - ATPL - Airline Transport Pilot license
Explanation: All aeroplanes which individual certificates of airworthiness were issued after 1 January 1989 must be fitted with a flight data recorder when their maximum certificated take-off mass is greater than: