Section 121.707

14 CFR Ch. I (1-1-19 Edition)

(c)
The
number
of
propeller
featherings in flight, listed by type of
propeller and engine and aircraft on
which it was installed. Propeller
featherings for training, demonstration, 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]

Section 121.707 Alteration
ports.

and

repair

re-

(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 submit a copy of each report of a major alteration 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.
Section 121.709 Airworthiness release or aircraft log entry.
(a) No certificate holder may operate
an aircraft after maintenance, preventive 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 maintenance, preventive maintenance, or alterations, prepares or causes to be prepared - 
(1) An airworthiness release; or
(2) An appropriate entry in the aircraft 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 certificate holder-s manual;
(2) Include a certification that - 
(i) The work was performed in accordance 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 satisfactorily 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 certificated mechanic or repairman except
that a certificated repairman may sign
the release or entry only for the work
for which he is employed and certificated.
(c) Notwithstanding paragraph (b)(3)
of this section, after maintenance, preventive maintenance, or alterations
performed by a repair station that is
located outside the United States, the
airworthiness release or log entry required 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 command 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 certificated mechanic or repairman constitutes 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]

Section 121.711 Communication records: Domestic and flag operations.
(a) Each certificate holder conducting domestic or flag operations
must record each en route communication between the certificate holder and
its pilots using a communication system as required by Section 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 departing gate until the time the aircraft
reaches the arrival gate at its destination.
(c) The record required in paragraph
(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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