173 

Federal Aviation Administration, DOT 

§ 21.616 

(b) The accountable manager speci-

fied in paragraph (a) of this section 
must be responsible within the appli-
cant’s or production approval holder’s 
organization for, and have authority 
over, all production operations con-
ducted under this part. The account-
able manager must confirm that the 
procedures described in the quality 
manual required by § 21.608 are in place 
and that the production approval hold-
er satisfies the requirements of the ap-
plicable regulations of subchapter C, 
Aircraft. The accountable manager 
must serve as the primary contact with 
the FAA. 

[Doc. No. FAA–2013–0933, Amdt. 21–98, 80 FR 
59032, Oct. 1, 2015] 

§ 21.607

Quality system. 

Each applicant for or holder of a TSO 

authorization must establish a quality 
system that meets the requirements of 
§ 21.137. 

§ 21.608

Quality manual. 

Each applicant for or holder of a TSO 

authorization must provide a manual 
describing its quality system to the 
FAA for approval. The manual must be 
in the English language and retrievable 
in a form acceptable to the FAA. 

§ 21.609

Location of or change to man-

ufacturing facilities. 

(a) An applicant may obtain a TSO 

authorization for manufacturing facili-
ties located outside of the United 
States if the FAA finds no undue bur-
den in administering the applicable re-
quirements of Title 49 U.S.C. and this 
subchapter. 

(b) The TSO authorization holder 

must obtain FAA approval before mak-
ing any changes to the location of any 
of its manufacturing facilities. 

(c) The TSO authorization holder 

must immediately notify the FAA, in 
writing, of any change to the manufac-
turing facilities that may affect the in-
spection, conformity, or airworthiness 
of its product or article. 

§ 21.610

Inspections and tests. 

Each applicant for or holder of a TSO 

authorization must allow the FAA to 
inspect its quality system, facilities, 
technical data, and any manufactured 
articles and witness any tests, includ-

ing any inspections or tests at a sup-
plier facility, necessary to determine 
compliance with this subchapter. 

§ 21.611

Issuance. 

If the FAA finds that the applicant 

complies with the requirements of this 
subchapter, the FAA issues a TSO au-
thorization to the applicant (including 
all TSO deviations granted to the ap-
plicant). 

§ 21.613

Duration. 

(a) A TSO authorization or letter of 

TSO design approval is effective until 
surrendered, withdrawn, or otherwise 
terminated by the FAA. 

(b) If a TSO is revised or canceled, 

the holder of an affected FAA letter of 
acceptance of a statement of conform-
ance, TSO authorization, or letter of 
TSO design approval may continue to 
manufacture articles that meet the 
original TSO without obtaining a new 
acceptance, authorization, or approval 
but must comply with the require-
ments of this chapter. 

§ 21.614

Transferability. 

The holder of a TSO authorization or 

letter of TSO design approval may not 
transfer the TSO authorization or let-
ter of TSO design approval. 

§ 21.616

Responsibility of holder. 

Each holder of a TSO authorization 

must— 

(a) Amend the document required by 

§ 21.605 as necessary to reflect changes 
in the organization and provide these 
amendments to the FAA. 

(b) Maintain a quality system in 

compliance with the data and proce-
dures approved for the TSO authoriza-
tion; 

(c) Ensure that each manufactured 

article conforms to its approved design, 
is in a condition for safe operation, and 
meets the applicable TSO; 

(d) Mark the TSO article for which 

an approval has been issued. Marking 
must be in accordance with part 45 of 
this chapter, including any critical 
parts; 

(e) Identify any portion of the TSO 

article (e.g., sub-assemblies, compo-
nent parts, or replacement articles) 
that leave the manufacturer’s facility 

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