(2)
The names, signatures, andresponsibilities of o.cials and of each sta. member required by Sec. 21.439(a)(4), identifying those persons who–

(i)
Have authority to make changes in procedures that require a revision to the procedure manual; and

(ii)
Are to conduct inspections (including conformity and compliance ins-pections) or approve inspection reports, prepare or approve data, plan or conduct tests, approve the results of tests, amend airworthiness certi.-cates,issue experimental certi.cates, approve changes to operatinglimita-tions or Aircraft Flight Manuals, and sign supplemental type certi.cates.

(b)
No DAS may continue to perform any DAS function a.ected by any change in facilities or sta. necessary to continue to meet the requirements of Sec. 21.439, or a.ectedby any changeinproceduresfromthose approved underparagraph(a) of this section, unless that change is approved and entered in the manual. For this purpose, the manual shall contain a log-of-revisions page with space for the identi.cation of each revised item, page, or date, and the signature of the person approving the change for the Administrator.]

Amdt. 21-6, E.. 10/8/65
FAR21.443 :[Duration.]
(a)
[A DAS authorization is e.ective until it is surrendered or the Administrator sus-pends, revokes, or otherwise terminates it.

(b)
The DAS shall return the authorization certi.cate to the Administrator when it is no longer e.ective.]

Amdt. 21-6, E.. 10/8/65
′
Elodie Roux. Septembre 2003
Subpart M–Designated Alteration Station Authorization Procedures
FAR21.445 :[Maintenance of eligibility.]
[The DAS shall continue to meet the requirements for issue of the authorization or shall notify the Administrator within 48 hours of any change (including a change of personnel) that could a.ect the ability of the DAS to meet those requirements.] Amdt. 21-6, E.. 10/8/65
FAR21.447 :[Transferability.]
[A DASauthorization is not transferable.] Amdt. 21-6, E.. 10/8/65
FAR21.449 :[Inspections.]
[Upon request, each DASand each applicant shall let the Administrator inspect his facilities, products, and records.] Amdt. 21-6, E.. 10/8/65
FAR 21.451 : Limits of applicability.
(a)
DAS authorizations apply only to products–

(1)
Covered by the ratings of the repair station applicant;

(2)
Coveredby the operating certi.cate and maintenance manual of the air carrier or commercial operator applicant; and

(3)
For which the manufacturer applicant has alteration authority under Sec. 43.3(i) of this subchapter.

(b)
DAS authorizations may be used for–

(1)
The issue of supplemental type certi.cates;

(2)
The issue of experimental certi.cates for aircraft that–

(i)
Are altered by the DAS under a supplemental type certi.cate issued by theDAS; and

(ii)
Require .ight tests in order to show compliance with the applicable air-worthiness requirements of this chapter; and

(3)
The amendmentof standard airworthiness certi.catesfor aircraft altered under this subpart.

(c)
DAS authorizations are subject to any additional limitations prescribed by the Ad-ministrator after inspection of the applicant’s facilities or review of the sta. quali-.cations.

(d)
[Notwithstandingany other provision of this subpart, a DAS may not issue a sup-plemental type certi.cate involving the exhaust emissions change requirements of part 34 or the acoustical change requirements of part 36 of this chapter until the Administrator .nds that those requirements are met.]

Amdt. 21-68, E.. 9/10/90
FAR21.461 :[Equivalent safetyprovisions.]
[TheDASshall obtain theAdministrator’s concurrence on the application of all equi-valent safety provisions applied under Sec. 21.21.] Amdt. 21-6, E.. 10/8/65
　
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