767
Federal Aviation Administration, DOT
§ 91.609
chapter, as applicable, and retain at
least the last 25 hours of recorded in-
formation using a recorder that meets
the standards of TSO–C124a, or later re-
vision.
(d) Whenever a flight recorder, re-
quired by this section, is installed, it
must be operated continuously from
the instant the airplane begins the
takeoff roll or the rotorcraft begins
lift-off until the airplane has com-
pleted the landing roll or the rotorcraft
has landed at its destination.
(e) Unless otherwise authorized by
the Administrator, after October 11,
1991, no person may operate a U.S. civil
registered multiengine, turbine-pow-
ered airplane or rotorcraft having a
passenger seating configuration of six
passengers or more and for which two
pilots are required by type certifi-
cation or operating rule unless it is
equipped with an approved cockpit
voice recorder that:
(1) Is installed in compliance with
§ 23.1457(a)(1) and (2), (b), (c), (d)(1)(i),
(2) and (3), (e), (f), and (g); § 25.1457(a)(1)
and (2), (b), (c), (d)(1)(i), (2) and (3), (e),
(f), and (g); § 27.1457(a)(1) and (2), (b),
(c), (d)(1)(i), (2) and (3), (e), (f), and (g);
or § 29.1457(a)(1) and (2), (b), (c), (d)(1)(i),
(2) and (3), (e), (f), and (g) of this chap-
ter, as applicable; and
(2) Is operated continuously from the
use of the checklist before the flight to
completion of the final checklist at the
end of the flight.
(f) In complying with this section, an
approved cockpit voice recorder having
an erasure feature may be used, so that
at any time during the operation of the
recorder, information recorded more
than 15 minutes earlier may be erased
or otherwise obliterated.
(g) In the event of an accident or oc-
currence requiring immediate notifica-
tion to the National Transportation
Safety Board under part 830 of its regu-
lations that results in the termination
of the flight, any operator who has in-
stalled approved flight recorders and
approved cockpit voice recorders shall
keep the recorded information for at
least 60 days or, if requested by the Ad-
ministrator or the Board, for a longer
period. Information obtained from the
record is used to assist in determining
the cause of accidents or occurrences
in connection with the investigation
under part 830. The Administrator does
not use the cockpit voice recorder
record in any civil penalty or certifi-
cate action.
(h) All airplanes required by this sec-
tion to have a cockpit voice recorder
and a flight data recorder, that are
manufactured before April 7, 2010, must
by April 7, 2012, have a cockpit voice
recorder that also—
(1) Meets the requirements of
§ 23.1457(d)(6) or § 25.1457(d)(6) of this
chapter, as applicable; and
(2) If transport category, meets the
requirements of § 25.1457(a)(3), (a)(4),
and (a)(5) of this chapter.
(i) All airplanes or rotorcraft re-
quired by this section to have a cockpit
voice recorder and flight data recorder,
that are manufactured on or after
April 7, 2010, must have a cockpit voice
recorder installed that also—
(1) Is installed in accordance with the
requirements of § 23.1457 (except for
paragraphs (a)(6) and (d)(5)); § 25.1457
(except for paragraphs (a)(6) and (d)(5));
§ 27.1457 (except for paragraphs (a)(6)
and (d)(5)); or § 29.1457 (except for para-
graphs (a)(6) and (d)(5)) of this chapter,
as applicable; and
(2) Retains at least the last 2 hours of
recorded information using a recorder
that meets the standards of TSO–C123a,
or later revision.
(3) For all airplanes or rotorcraft
manufactured on or after April 6, 2012,
also meets the requirements of
§ 23.1457(a)(6) and (d)(5); § 25.1457(a)(6)
and (d)(5); § 27.1457(a)(6) and (d)(5); or
§ 29.1457(a)(6) and (d)(5) of this chapter,
as applicable.
(j) All airplanes or rotorcraft re-
quired by this section to have a cockpit
voice recorder and a flight data re-
corder, that install datalink commu-
nication equipment on or after April 6,
2012, must record all datalink messages
as required by the certification rule ap-
plicable to the aircraft.
(k) An aircraft operated under this
part under deviation authority from
part 125 of this chapter must comply
with all of the applicable flight data
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