159 

Federal Aviation Administration, DOT 

§ 121.374 

The petition must be filed with the re-
sponsible Flight Standards office 
charged with the overall inspection of 
the certificate holder’s operations 
within 30 days after the certificate 
holder receives the notice. Except in 
the case of an emergency requiring im-
mediate action in the interest of safe-
ty, the filing of the petition stays the 
notice pending a decision by the Ad-
ministrator. 

[Doc. No. 6258, 29 FR 19210, Dec. 31, 1964, as 
amended by Amdt. 121–207, 54 FR 39293, Sept. 
25, 1989; Amdt. 121–253, 61 FR 2611, Jan. 26, 
1996; Docket FAA–2018–0119, Amdt. 121–380, 83 
FR 9173, Mar. 5, 2018] 

§ 121.374 Continuous airworthiness 

maintenance program (CAMP) for 
two-engine ETOPS. 

In order to conduct an ETOPS flight 

using a two-engine airplane, each cer-
tificate holder must develop and com-
ply with the ETOPS continuous air-
worthiness maintenance program, as 
authorized in the certificate holder’s 
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: 

160 

14 CFR Ch. I (1–1–24 Edition) 

§ 121.374 

(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 
under the direct supervision of a sec-
ond qualified individual; and 

(iii) For either paragraph (c)(2)(i) or 

(ii) of this section, a qualified indi-
vidual conducts a ground verification 
test and any in-flight verification test 
required under the program developed 
pursuant to paragraph (d) of this sec-
tion. 

(d) 

Verification program. 

The certifi-

cate holder must develop and maintain 
a program for the resolution of discrep-
ancies that will ensure the effective-
ness of maintenance actions taken on 
ETOPS Significant Systems. The 
verification program must identify po-
tential problems and verify satisfac-
tory corrective action. The verification 
program must include ground 
verification and in-flight verification 
policy and procedures. The certificate 
holder must establish procedures to in-
dicate clearly who is going to initiate 
the verification action and what action 
is necessary. The verification action 
may be performed on an ETOPS rev-
enue flight provided the verification 
action is documented as satisfactorily 
completed upon reaching the ETOPS 
Entry Point. 

(e) 

Task identification. 

The certificate 

holder must identify all ETOPS-spe-
cific tasks. An appropriately trained 
mechanic who is ETOPS qualified must 
accomplish and certify by signature 
that the ETOPS-specific task has been 
completed. 

(f) 

Centralized maintenance control pro-

cedures. 

The certificate holder must de-

velop and maintain procedures for cen-
tralized maintenance control for 
ETOPS. 

(g) 

Parts control program. 

The certifi-

cate holder must develop an ETOPS 
parts control program to ensure the 
proper identification of parts used to 
maintain the configuration of airplanes 
used in ETOPS. 

(h) 

Reliability program. 

The certificate 

holder must have an ETOPS reliability 
program. This program must be the 
certificate holder’s existing reliability 
program or its Continuing Analysis 
and Surveillance System (CASS) sup-
plemented for ETOPS. This program 
must be event-oriented and include 
procedures to report the events listed 
below, as follows: 

(1) The certificate holder must report 

the following events within 96 hours of 
the occurrence to its responsible Flight 
Standards office: 

(i) IFSDs, except planned IFSDs per-

formed for flight training. 

(ii) Diversions and turnbacks for fail-

ures, malfunctions, or defects associ-
ated with any airplane or engine sys-
tem. 

(iii) Uncommanded power or thrust 

changes or surges. 

(iv) Inability to control the engine or 

obtain desired power or thrust. 

(v) Inadvertent fuel loss or unavail-

ability, or uncorrectable fuel imbal-
ance in flight. 

(vi) Failures, malfunctions or defects 

associated with ETOPS Significant 
Systems. 

(vii) Any event that would jeopardize 

the safe flight and landing of the air-
plane on an ETOPS flight. 

(2) The certificate holder must inves-

tigate the cause of each event listed in 
paragraph (h)(1) of this section and 
submit findings and a description of 
corrective action to its responsible 
Flight Standards office. The report 
must include the information specified 
in § 121.703(e). The corrective action 

161 

Federal Aviation Administration, DOT 

§ 121.375 

must be acceptable to its responsible 
Flight Standards office. 

(i) 

Propulsion system monitoring. 

(1) If 

the IFSD rate (computed on a 12-month 
rolling average) for an engine installed 
as part of an airplane-engine combina-
tion exceeds the following values, the 
certificate holder must do a com-
prehensive review of its operations to 
identify any common cause effects and 
systemic errors. The IFSD rate must 
be computed using all engines of that 
type in the certificate holder’s entire 
fleet of airplanes approved for ETOPS. 

(i) A rate of 0.05 per 1,000 engine 

hours for ETOPS up to and including 
120 minutes. 

(ii) A rate of 0.03 per 1,000 engine 

hours for ETOPS beyond 120-minutes 
up to and including 207 minutes in the 
North Pacific Area of Operation and up 
to and including 180 minutes elsewhere. 

(iii) A rate of 0.02 per 1,000 engine 

hours for ETOPS beyond 207 minutes in 
the North Pacific Area of Operation 
and beyond 180 minutes elsewhere. 

(2) Within 30 days of exceeding the 

rates above, the certificate holder must 
submit a report of investigation and 
any necessary corrective action taken 
to its responsible Flight Standards of-
fice. 

(j) 

Engine condition monitoring. 

(1) The 

certificate holder must have an engine 
condition monitoring program to de-
tect deterioration at an early stage and 
to allow for corrective action before 
safe operation is affected. 

(2) This program must describe the 

parameters to be monitored, the meth-
od of data collection, the method of 
analyzing data, and the process for 
taking corrective action. 

(3) The program must ensure that en-

gine-limit margins are maintained so 
that a prolonged engine-inoperative di-
version may be conducted at approved 
power levels and in all expected envi-
ronmental conditions without exceed-
ing approved engine limits. This in-
cludes approved limits for items such 
as rotor speeds and exhaust gas tem-
peratures. 

(k) 

Oil-consumption monitoring. 

The 

certificate holder must have an engine 
oil consumption monitoring program 
to ensure that there is enough oil to 
complete each ETOPS flight. APU oil 
consumption must be included if an 

APU is required for ETOPS. The opera-
tor’s oil consumption limit may not ex-
ceed the manufacturer’s recommenda-
tion. Monitoring must be continuous 
and include oil added at each ETOPS 
departure point. The program must 
compare the amount of oil added at 
each ETOPS departure point with the 
running average consumption to iden-
tify sudden increases. 

(l) 

APU in-flight start program. 

If the 

airplane type certificate requires an 
APU but does not require the APU to 
run during the ETOPS portion of the 
flight, the certificate holder must de-
velop and maintain a program accept-
able to the FAA for cold soak in-flight 
start-and-run reliability. 

(m) 

Maintenance training. 

For each 

airplane-engine combination, the cer-
tificate holder must develop a mainte-
nance training program that provides 
training adequate to support ETOPS. 
It must include ETOPS specific train-
ing for all persons involved in ETOPS 
maintenance that focuses on the spe-
cial nature of ETOPS. This training 
must be in addition to the operator’s 
maintenance training program used to 
qualify individuals to perform work on 
specific airplanes and engines. 

(n) 

Configuration, maintenance, and 

procedures (CMP) document. 

If an air-

plane-engine combination has a CMP 
document, the certificate holder must 
use a system that ensures compliance 
with the applicable FAA-approved doc-
ument. 

(o) 

Procedural changes. 

Each substan-

tial change to the maintenance or 
training procedures that were used to 
qualify the certificate holder for 
ETOPS, must be submitted to the 
CHDO for review. The certificate hold-
er cannot implement a change until its 
responsible Flight Standards office no-
tifies the certificate holder that the re-
view is complete. 

[Doc. No. FAA–2002–6717, 72 FR 1880, Jan. 16, 
2007, as amended by Amdt. 121–329, 72 FR 
7348, Feb. 15, 2007; Amdt. 121–329, 72 FR 26541, 
May 10, 2007; Amdt. 121–339, 73 FR 33881, June 
16, 2008; Docket FAA–2018–0119, Amdt. 121– 
380, 83 FR 9173, Mar. 5, 2018] 

§ 121.375 Maintenance and preventive 

maintenance training program. 

Each certificate holder or person per-

forming maintenance or preventive