436 

14 CFR Ch. I (1–1–19 Edition) 

§ 135.152 

(1) Meets the requirements in 

§ 23.1457(d)(6) or § 25.1457(d)(6) of this 
chapter, as applicable; and 

(2) If transport category, meet the re-

quirements in § 25.1457(a)(3), (a)(4), and 
(a)(5) of this chapter. 

(g)(1) No person may operate a multi-

engine, turbine-powered airplane or 
rotorcraft that is manufactured on or 
after April 7, 2010, that has a passenger 
seating configuration of six or more 
seats, for which two pilots are required 
by certification or operating rules, and 
that is required to have a flight data 
recorder under § 135.152, unless it is 
equipped with an approved cockpit 
voice recorder that also— 

(i) Is installed in accordance with the 

requirements of § 23.1457 (except for 
paragraph (a)(6)); § 25.1457 (except for 
paragraph (a)(6)); § 27.1457 (except for 
paragraph (a)(6)); or § 29.1457 (except for 
paragraph (a)(6)) of this chapter, as ap-
plicable; and 

(ii) Is operated continuously from the 

use of the check list before the flight, 
to completion of the final check list at 
the end of the flight; and 

(iii) Retains at least the last 2 hours 

of recorded information using a re-
corder that meets the standards of 
TSO–C123a, or later revision. 

(iv) For all airplanes or rotorcraft 

manufactured on or after December 6, 
2010, also meets the requirements of 
§ 23.1457(a)(6); § 25.1457(a)(6); 
§ 27.1457(a)(6); or § 29.457(a)(6) of this 
chapter, as applicable. 

(2) No person may operate a multien-

gine, turbine-powered airplane or 
rotorcraft that is manufactured on or 
after April 7, 2010, has a passenger seat-
ing configuration of 20 or more seats, 
and that is required to have a flight 
data recorder under § 135.152, unless it 
is equipped with an approved cockpit 
voice recorder that also— 

(i) Is installed in accordance with the 

requirements of § 23.1457 (except for 
paragraph (a)(6)); § 25.1457 (except for 
paragraph (a)(6)); § 27.1457 (except for 
paragraph (a)(6)); or § 29.1457 (except for 
paragraph (a)(6)) of this chapter, as ap-
plicable; and 

(ii) Is operated continuously from the 

use of the check list before the flight, 
to completion of the final check list at 
the end of the flight; and 

(iii) Retains at least the last 2 hours 

of recorded information using a re-
corder that meets the standards of 
TSO–C123a, or later revision. 

(iv) For all airplanes or rotorcraft 

manufactured on or after December 6, 
2010, also meets the requirements of 
§ 23.1457(a)(6); § 25.1457(a)(6); 
§ 27.1457(a)(6); or § 29.457(a)(6) of this 
chapter, as applicable. 

(h) All airplanes or rotorcraft re-

quired by this part to have a cockpit 
voice recorder and a flight data re-
corder, that install datalink commu-
nication equipment on or after Decem-
ber 6, 2010, must record all datalink 
messages as required by the certifi-
cation rule applicable to the aircraft. 

[Doc. No. 16097, 43 FR 46783, Oct. 10, 1978, as 
amended by Amdt. 135–23, 52 FR 9637, Mar. 25, 
1987; Amdt. 135–26, 53 FR 26151, July 11, 1988; 
Amdt. 135–60, 61 FR 2616, Jan. 26, 1996; Amdt. 
135–113, 73 FR 12570, Mar. 7, 2008; Amdt. 135– 
113, 74 FR 32801, July 9, 2009; Amdt. 135–121, 75 
FR 17046, Apr. 5, 2010] 

§ 135.152

Flight data recorders. 

(a) Except as provided in paragraph 

(k) of this section, no person may oper-
ate under this part a multi-engine, tur-
bine-engine powered airplane or rotor-
craft having a passenger seating con-
figuration, excluding any required 
crewmember seat, of 10 to 19 seats, that 
was either brought onto the U.S. reg-
ister after, or was registered outside 
the United States and added to the op-
erator’s U.S. operations specifications 
after, October 11, 1991, unless it is 
equipped with one or more approved 
flight recorders that use a digital 
method of recording and storing data 
and a method of readily retrieving that 
data from the storage medium. The pa-
rameters specified in either Appendix B 
or C of this part, as applicable must be 
recorded within the range, accuracy, 
resolution, and recording intervals as 
specified. The recorder shall retain no 
less than 25 hours of aircraft operation. 

(b) After October 11, 1991, no person 

may operate a multiengine, turbine- 
powered airplane having a passenger 
seating configuration of 20 to 30 seats 
or a multiengine, turbine-powered 
rotorcraft having a passenger seating 
configuration of 20 or more seats unless 
it is equipped with one or more ap-
proved flight recorders that utilize a 

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