| 2017-14-06 | Sikorsky Aircraft Corporation Helicopters (Type Certificate Previously Held by Schweizer… | Aug 25, 2017 | Airframe (269C)Only with: Lower coupling driveshaft P/N 269-5412, 269A5504, 269A5504-003, 269A5504-005, 269A5559, or 269A5559-003 installed. |
| 2015-23-01 | Sikorsky Aircraft Corporation (Type Certificate Previously Held by Schweizer Aircraft… | Dec 15, 2015 | Airframe (269C) |
| 2001-25-52 | Schweizer Aircraft Corporation Model 269A, 269A-1, 269B, 269C, and TH-55A Helicopters | May 8, 2002 | Airframe (269C)Only with: With tailboom support strut assemblies P/N 269A2015 or 269A2015-5, tailboom center attach fitting P/N 269A2324, or center frame aft cluster fitting P/N 269A2234 or 269A2235 installed. |
| 99-17-10 | Schweizer Aircraft Corporation Model 269A, 269A-1, 269B, 269C, 269C-1, and 269D… | Sep 2, 1999 | Airframe (269C)Only with: Tail rotor swashplate shaft P/N 269A6049-3 installed. |
| 95-21-02 | Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B… | Nov 17, 1995 | Airframe (269C)Only with: Main rotor drive shaft P/N 269A5305-3 or 269A5305-11 installed, except drive shafts with serial number prefix "SZ" or "ZS". |