121.207 of this chapter.
(b)
The applicant must show that the modi.cation was made under a quality control system adequate to ensure that the modi.cation conforms to the provisionally amended type certi.cate.

(c)
The applicant must submit a statement that the aircraft has been found by him to be in a safe operating condition under the applicable limitations.

(d)
The aircraft must be .own at least .ve hours by the manufacturer.

(e)
The aircraft must be supplied with a provisional aircraft .ight manual or other document and appropriate placards containing the limitations required by Secs. 21.85(g),[91.317], and121.207 of this chapter.

Amdt. 21-66, E.. 8/18/90
Chapitre 22

Subpart J–Delegation Option Authorization Procedures
Sommaire
FAR21.231:Applicability. ................... 184 FAR21.235:Application. . . . . . . . . . . . . . . . . . . . . 184 FAR21.239:Eligibility. ..................... 184 FAR21.241:[Deleted.] ..................... 184 FAR21.243:Duration. ..................... 185 FAR 21.245 : Maintenance of eligibility. . . . . . . . . . . . . 185 FAR21.247:Transferability. .................. 185 FAR21.249:Inspections. .................... 185 FAR21.251:Limitsof applicability. . . . . . . . . . . . . . . 185 FAR 21.253 : Type certi.cates : application. . . . . . . . . . . 186 FAR21.255:[Deleted.] ..................... 186 FAR21.257:Typecerti.cates; issue. . . . . . . . . . . . . . 186 FAR21.259:[Deleted.] ..................... 186 FAR21.261:[Equivalentsafetyprovisions.] . . . . . . . . . . 187 FAR21.263:[Deleted.] ..................... 187 FAR21.265:[Deleted.] ..................... 187 FAR21.267:[Productioncerti.cates.] . . . . . . . . . . . . . 187 FAR21.269:[Exportairworthinessapprovals.] . . . . . . . . 187 FAR 21.271 : Airworthiness approval tags. . . . . . . . . . . . 187 FAR21.273 :Airworthiness certi.cates other than experimental.188 FAR21.275:[Experimental certi.cates.] . . . . . . . . . . . . 188 FAR21.277:[Datareviewand serviceexperience.] . . . . . . 188 FAR21.283:[Deleted.] ..................... 188 FAR21.285:[Deleted.] ..................... 188 FAR21.289:[Majorrepairs,rebuilding,and alteration.] . . . 189 FAR21.293:[Currentrecords.] . . . . . . . . . . . . . . . . . 189
183
Subpart J–Delegation Option Authorization Procedures
FAR 21.231 : Applicability.
This subpart prescribes procedures for–
(a)
Obtaining and using a delegation option authorization for type, production, and airworthiness certi.cation(as applicable) of–

(1)
Small airplanes and small gliders;

(2)
[Commuter categoryairplanes;]

(3)
Normal category rotorcraft;

(4)
Turbojet engines of not morethan1,000poundsthrust;

(5)
Turbopropeller and reciprocating engines of not more than500brakehorsepo-wer; and

(6)
Propellers manufacturedfor use on engines coveredbyparagraph(a)(4) of this section; and

(b)
Issuing airworthiness approval tags for engines, propellers, and parts of products coveredbyparagraph(a) of this section.

Amdt. 21-59, E.. 2/17/87
FAR 21.235 : Application.
(a)
An application for a delegation option authorization must be submitted, in a form and mannerprescribedby theAdministrator,tothe[AircraftCerti.cationO.ce] for the area in which the manufacturer is located.

(b)
The application must include the names, signatures, and titles of the persons for whom authorization to sign airworthiness certi.cates, repair and alteration forms, and inspection forms is requested.

Amdt. 21-67, E.. 10/25/89
FAR 21.239 : Eligibility.
[To be eligible for a delegation option authorization, the applicant must–
(a)
Hold a current type certi.cate, issued to him under the standard procedures, for a product type certi.cated under the same part as each product for which the delegation option authorization is sought;
　
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