147 

Federal Aviation Administration, DOT 

§ 121.374 

operations specifications, for each air-
plane-engine combination used in 
ETOPS. The certificate holder must 
develop this ETOPS CAMP by 
supplementing the manufacturer’s 
maintenance program or the CAMP 
currently approved for the certificate 
holder. This ETOPS CAMP must in-
clude the following elements: 

(a) 

ETOPS maintenance document. 

The 

certificate holder must have an ETOPS 
maintenance document for use by each 
person involved in ETOPS. 

(1) The document must— 
(i) List each ETOPS significant sys-

tem, 

(ii) Refer to or include all of the 

ETOPS maintenance elements in this 
section, 

(iii) Refer to or include all supportive 

programs and procedures, 

(iv) Refer to or include all duties and 

responsibilities, and 

(v) Clearly state where referenced 

material is located in the certificate 
holder’s document system. 

(b) 

ETOPS pre-departure service check. 

Except as provided in Appendix P of 
this part, the certificate holder must 
develop a pre-departure check tailored 
to their specific operation. 

(1) The certificate holder must com-

plete a pre-departure service check im-
mediately before each ETOPS flight. 

(2) At a minimum, this check must— 
(i) Verify the condition of all ETOPS 

Significant Systems; 

(ii) Verify the overall status of the 

airplane by reviewing applicable main-
tenance records; and 

(iii) Include an interior and exterior 

inspection to include a determination 
of engine and APU oil levels and con-
sumption rates. 

(3) An appropriately trained mainte-

nance person, who is ETOPS qualified, 
must accomplish and certify by signa-
ture ETOPS specific tasks. Before an 
ETOPS flight may commence, an 
ETOPS pre-departure service check 
(PDSC) Signatory Person, who has 
been authorized by the certificate hold-
er, must certify by signature, that the 
ETOPS PDSC has been completed. 

(4) For the purposes of this paragraph 

(b) only, the following definitions 
apply: 

(i) ETOPS qualified person: A person 

is ETOPS qualified when that person 

satisfactorily completes the operator’s 
ETOPS training program and is au-
thorized by the certificate holder. 

(ii) ETOPS PDSC Signatory Person: 

A person is an ETOPS PDSC Signatory 
Person when that person is ETOPS 
qualified and that person: 

(A) When certifying the completion 

of the ETOPS PDSC in the United 
States: 

(

1

) Works for an operator authorized 

to engage in part 121 operation or 
works for a part 145 repair station; and 

(

2

) Holds a U.S. Mechanic’s Certifi-

cate with airframe and powerplant rat-
ings. 

(B) When certifying the completion 

of the ETOPS PDSC outside of the U.S. 
holds a certificate in accordance with 
§ 43.17(c)(1) of this chapter; or 

(C) When certifying the completion 

of the ETOPS PDSC outside the U.S. 
holds the certificates needed or has the 
requisite experience or training to re-
turn aircraft to service on behalf of an 
ETOPS maintenance entity. 

(iii) ETOPS maintenance entity: An 

entity authorized to perform ETOPS 
maintenance and complete ETOPS 
PDSC and that entity is: 

(A) Certificated to engage in part 121 

operations; 

(B) Repair station certificated under 

part 145 of this chapter; or 

(C) Entity authorized pursuant to 

§ 43.17(c)(2) of this chapter. 

(c) 

Limitations on dual maintenance. 

(1) Except as specified in paragraph 
(c)(2), the certificate holder may not 
perform scheduled or unscheduled dual 
maintenance during the same mainte-
nance visit on the same or a substan-
tially similar ETOPS Significant Sys-
tem listed in the ETOPS maintenance 
document, if the improper mainte-
nance could result in the failure of an 
ETOPS Significant System. 

(2) In the event dual maintenance as 

defined in paragraph (c)(1) of this sec-
tion cannot be avoided, the certificate 
holder may perform maintenance pro-
vided: 

(i) The maintenance action on each 

affected ETOPS Significant System is 
performed by a different technician, or 

(ii) The maintenance action on each 

affected ETOPS Significant System is 
performed by the same technician 

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