AC 21-23B

Advisory circular · Airworthiness Certification of Civil Aircraft, Engine, Propellers, and Related Products Imported to the United States

Approved
November 17, 2004
Last reviewed
January 19, 2017
Cancels
AC21-23A
Family
AC 21-23 · 3 versions
Revision
B
14 CFR parts
21

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed October 23, 2026.

Show pages 48–59

Appendix 4

APPENDIX 4. SUMMARY OF PRODUCTS ELIGIBLE FOR U.S. IMPORT UNDER BILATERAL AGREEMENTS (Continued) (AS OF SEPTEMBER 30, 2004)

c. Such certifications will state that the product conforms to the importing country's type design and is in a proper state of airworthiness.

4. The U.S.- Brazil BASA IPA, signed on March 30, 2004, limits U.S. acceptance of Brazilian products to airplanes and appliances, but also provides for U.S. acceptance of STCs on Brazilian airplanes.

5. The U.S./Canada BASA IPA in October 2000, includes reciprocal acceptance of all aeronautical products, including restricted category aircraft, replacement parts, and STC’s.

These Implementation Procedures replace the Schedule of Implementation Procedures of 1988, with the exception of chapter 4, Maintenance, Alteration or Modification of Aeronautical Products, which remains in effect until Maintenance Implementation Procedures are concluded.

6. The Schedule of Implementation Procedures for the U.S./China BAA provides for U.S. acceptance of certain Chinese TSO appliances, fixed-wing aircraft not exceeding 12,500 lbs., and commuter category airplanes up to 19 passengers with a maximum certificated take-off weight of 19,000 lbs.

7. The U.S./Finland BAA is limited to acceptance of glider aircraft and appliances from each country. Although this bilateral agreement contains a provision for including appliances and replacement or modification parts therefore, by mutual consent of both countries’ aviation authorities, no appliances nor replacement/modification parts have been included to date.

8. Maintenance Implementation Procedures were concluded with France in 1999 for reciprocal acceptance of repair station certifications (contact AFS-300).

9. Maintenance Implementation Procedures were concluded with Germany in 1997 for reciprocal acceptance of repair station certifications (contact AFS-300.) On June 2, 2002, the FAA and LBA signed Revision 1 of the U.S.-Germany BASA IPA (the original IPA was concluded in August 1999). This revision allows for U.S. acceptance of German STCs on U.S. and German products, as well as some Airbus models.

10. The Schedule of Implementation Procedures for the U.S./Indonesia BAA is limited, when exporting aeronautical products from Indonesia to the U.S., to the production approval and airworthiness certification or approval of civil aeronautical products for which the Indonesian manufacturer holds the manufacturing rights to a U.S. type certificate under a licensing agreement with a U.S. manufacturer, or with a manufacturer in another state with which the U.S. has an agreement for the reciprocal acceptance of type design certifications.

Appendix 4

APPENDIX 4. SUMMARY OF PRODUCTS ELIGIBLE FOR U.S. IMPORT UNDER BILATERAL AGREEMENTS (Continued) (AS OF SEPTEMBER 30, 2004)

11. On December 19, 2002, the U.S. and Israel concluded Revision 1 to the U.S.-Israeli BASA IPA. Revision 1 expands U.S. acceptance of Israeli STCs to include certain Israeli STCs on U.S. state of design airplanes.

12. On June 4, 2002, the U.S. and Italy concluded a BASA IPA that includes provisions for U.S. acceptance of STCs on Italian products.

13. The US/Malaysia BASA IPA provides for U.S. acceptance of Malaysian TSO appliances and small metal composite airplanes of up to 9 passengers with a maximum certificated takeoff weight of 12,500 lbs.

14. The U.S.-Netherlands BASA IPA concluded on June 3, 2002, allows for U.S.

acceptance of STCs on Dutch airplanes.

15. The U.S./New Zealand BASA IPA, concluded on April 1, 2003, limits U.S. acceptance of New Zealand products to fixed-wing aircraft constructed in New Zealand not exceeding a maximum weight of 12,500 pounds; appliances, and their modifications and repair parts;

16. The U.S./Poland BAA is limited to:

a. Products, which may be exported from Poland to U.S. (or U.S. possession):

(1) Civil gliders and replacement/modification parts therefore designed and produced in Poland;

(2) Piston engines of 1,000 h.p. or less with associated propellers and accessories and replacement/modification parts therefore produced in Poland;

*(3) Small fixed-wing aircraft of 12,500 pounds of less and replacement/modification parts therefore;

*(4) Helicopters with associated accessories and replacement/ modification parts therefore;

*(5) Turbine engines and replacement/modification parts therefore; and

(6) Components and appliances for U.S.-manufactured products of the types specified in subparagraphs (1-5) above.

*NOTE: Refer to U.S./Poland BAA for applicable design constraints.

Appendix 4

APPENDIX 4. SUMMARY OF PRODUCTS ELIGIBLE FOR U.S. IMPORT UNDER BILATERAL AGREEMENTS (Continued) (AS OF SEPTEMBER 30, 2004)

b. Products, which may be exported from the U.S. to Poland:

(1) U.S.-designed and produced aircraft, engines, propellers, components and appliances; and replacement/modification parts therefore; and

(2) U.S.-produced components and appliances for Polish-manufactured products;

and replacement and spare parts therefore.

17. The U.S. and Romania concluded a BASA IPA on September 24, 2002. The BASA IPA is limited to U.S. acceptance of gliders, very light airplanes, and STCs on Romanian products.

18. The U.S./Russia Implementation Procedures for Airworthiness limit U.S. acceptance to Russian:

a. New and used, metal aircraft having up to 9 passengers and a maximum certificated take-off weight of 12,500 lbs. or less,

b. New and used transport category aircraft (cargo configuration only) with FAA- certificated engines, propellers, and avionics, approved for Category I and Category II instrument approach procedures; and

c. Metallic materials.

Aircraft eligible for import to the U.S. must have been designed to the applicable Russian aviation regulations (AP’s). Aircraft built to earlier Soviet regulations are not covered under this agreement.

19. The U.S./Singapore BASA IPA is limited to:

a. Export from Singapore to the U.S.:

(1) New TSO appliances that meet the performance standards of a U.S. Technical Standard Order under an FAA letter of TSO Design Approval; and their replacement parts

b. Export from the U.S. to Singapore:

(1) All products listed in the summary chart (page 1 of this appendix); and

(2) Note 1 of this document (third country provision) applies to all products listed in the summary chart, exported from the U.S. to Singapore.

Appendix 4

APPENDIX 4. SUMMARY OF PRODUCTS ELIGIBLE FOR U.S. IMPORT UNDER BILATERAL AGREEMENTS (Continued) (AS OF SEPTEMBER 30, 2004)

20. The U.S. and United Kingdom concluded a BASA IPA on May 23, 2002. The BASA IPA allows U.S. acceptance of U.K. STCs on British products.