STC SA8730SW-D

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SA8730SW-D The NORDAM Group LLC 6910 N. Whirlpool Tulsa, OK 74117 Part 4b* the Civil Air Regulations A3WE The Boeing Company 727-21C, -22C, -23, -25C, -27C, -30C, -31C, -51C, -62C, -108C, -172C, -173C, -180C, -185C and 1A7C Installation of engine thrust reversers in accordance with DEE HOWARD Company Report CR166-A-002, Master Drawing List, dated May 29, 1999 or later FAA/DAS approved revision.

(See continuation sheet 3 of 3) February 17, 1999 7/26/99; 10/24/03; 4/1/19 July 9, 1999 Jim Grigg Manager, Fort Worth ACO Branch, Compliance & Airworthiness Division Aircraft Certification Service 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SA8730SW-D 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page ___ of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:

SA8730SW-D Date of Issuance: July 09, 1999 Date of Reissuance: April 1, 2019

* (Reference FAA letter dated November 25, 1992)

The Dee Howard Co. Airplane Flight Manual Supplement, Change IR, dated June 10, 1999 or later FAA/DAS approved revision is required. STC SA8472SW must be installed concurrently with this modification. The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

-END- 3 3