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Federal Aviation Administration, DOT 

§ 121.713 

(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. 

(c) Notwithstanding paragraph (b)(3) 

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. 

(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; 
(4) Approximate position of the air-

craft during the contact; 

(5) Call sign; and 
(6) Narrative of the contact. 
(d) The record required in paragraph 

(a) of this section must be kept for at 
least 30 days. 

[Doc. No. FAA–2008–0677, 78 FR 67841, Nov. 12, 
2013] 

§ 121.713 Retention of contracts and 

amendments: Commercial operators 
who conduct intrastate operations 
for compensation or hire. 

(a) Each commercial operator who 

conducts intrastate operations for 
compensation or hire shall keep a copy 
of each written contract under which it 
provides services as a commercial oper-
ator for a period of at least 1 year after 
the date of execution of the contract. 
In the case of an oral contract, it shall 
keep a memorandum stating its ele-
ments, and of any amendments to it, 
for a period of at least one year after 
the execution of that contract or 
change. 

(b) Each commercial operator who 

conducts intrastate operations for 
compensation or hire shall submit a fi-
nancial report for the first 6 months of 
each fiscal year and another financial 
report for each complete fiscal year. If 
that person’s operating certificate is 
suspended for more than 29 days, that 
person shall submit a financial report 
as of the last day of the month in 
which the suspension is terminated. 
The report required to be submitted by 
this section shall be submitted within 
60 days of the last day of the period 
covered by the report and must in-
clude—