Flight data recorders.
CFR · 2024-01-01 · US · Title 14
(a) Except as provided in paragraphs (b), (c), (d), (e), and (f) of this section, no person may operate a large airplane that is certificated for operations above 25,000 feet altitude or is turbine-engine powered unless it is equipped with one or more approved flight recorders that record data from which the following may be determined within the ranges, accuracies, and recording intervals specified in appendix B of this part: (1) Time; (2) Altitude; (3) Airspeed; (4) Vertical acceleration; (5) Heading; and (6) Time of each radio transmission either to or from air traffic control. (b) No person may operate a large airplane type certificated up to and including September 30, 1969, for operations above 25,000 feet altitude, or a turbine-engine powered airplane certificated before the same date, unless it is equipped before May 26, 1989 with one or more approved flight recorders that utilize a digital method of recording and storing data and a method of readily retrieving that data from the storage medium. The following information must be able to be determined (1) Time; (2) Altitude; (3) Airspeed; (4) Vertical acceleration; (5) Heading; and (6) Time of each radio transmission either to or from air traffic control. (c) Except as provided in paragraph (l) of this section, no person may operate an airplane specified in paragraph (b) of this section unless it is equipped, before May 26, 1995, with one or more approved flight recorders that utilize a digital method of recording and
official document · source cfr-2024 · id 14:§ 121.343