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14 CFR Ch. I (1–1–19 Edition)

§ 121.707

featherings in flight, listed by type of
propeller and engine and aircraft on
which it was installed. Propeller
featherings for training, demonstra-
tion, or flight check purposes need not
be reported.

[Doc. No. 6258, 29 FR 19226, Dec. 31, 1964, as
amended by Amdt. 121–10, 30 FR 10025, Aug.
12, 1965; Amdt. 121–319, 70 FR 76979, Dec. 29,
2005]

§ 121.707

Alteration and repair re-

ports.

(a) Each certificate holder shall,

promptly upon its completion, prepare
a report of each major alteration or
major repair of an airframe, aircraft
engine, propeller, or appliance of an
aircraft operated by it.

(b) The certificate holder shall sub-

mit a copy of each report of a major al-
teration to, and shall keep a copy of
each report of a major repair available
for inspection by, the representative of
the Administrator who is assigned to
it.

§ 121.709

Airworthiness release or air-

craft log entry.

(a) No certificate holder may operate

an aircraft after maintenance, preven-
tive maintenance or alterations are
performed on the aircraft unless the
certificate holder, or the person with
whom the certificate holder arranges
for the performance of the mainte-
nance, preventive maintenance, or al-
terations, prepares or causes to be pre-
pared—

(1) An airworthiness release; or
(2) An appropriate entry in the air-

craft log.

(b) The airworthiness release or log

entry required by paragraph (a) of this
section must—

(1) Be prepared in accordance with

the procedures set forth in the certifi-
cate holder’s manual;

(2) Include a certification that—
(i) The work was performed in ac-

cordance with the requirements of the
certificate holder’s manual;

(ii) All items required to be inspected

were inspected by an authorized person
who determined that the work was sat-
isfactorily completed;

(iii) No known condition exists that

would make the airplane unairworthy;
and

(iv) So far as the work performed is

concerned, the aircraft is in condition
for safe operation; and

(3) Be signed by an authorized certifi-

cated mechanic or repairman except
that a certificated repairman may sign
the release or entry only for the work
for which he is employed and certifi-
cated.

of this section, after maintenance, pre-
ventive maintenance, or alterations
performed by a repair station that is
located outside the United States, the
airworthiness release or log entry re-
quired by paragraph (a) of this section
may be signed by a person authorized
by that repair station.

(d) When an airworthiness release

form is prepared the certificate holder
must give a copy to the pilot in com-
mand and must keep a record thereof
for at least 2 months.

(e) Instead of restating each of the

conditions of the certification required
by paragraph (b) of this section, the air
carrier may state in its manual that
the signature of an authorized certifi-
cated mechanic or repairman con-
stitutes that certification.

[Doc. No. 6258, 29 FR 19226, Dec. 31, 1964, as
amended by Amdt. 121–6, 30 FR 6432, May 8,
1965; Amdt. 121–21, 31 FR 10613, Aug. 9, 1966;
Amdt. 121–286, 66 FR 41116, Aug. 6, 2001]

§ 121.711

Communication records: Do-

mestic and flag operations.

(a) Each certificate holder con-

ducting domestic or flag operations
must record each en route communica-
tion between the certificate holder and
its pilots using a communication sys-
tem as required by § 121.99 of this part.

(b) For purposes of this section the

term en route means from the time the
aircraft pushes back from the depart-
ing gate until the time the aircraft
reaches the arrival gate at its destina-
tion.

(a) of this section must contain at least
the following information:

(1) The date and time of the contact;
(2) The flight number;
(3) Aircraft registration number;

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