| 2010-26-09 | Sikorsky Aircraft Corporation (Sikorsky) Model S76A, B, and C Helicopters | Jan 12, 2011 | Airframe (S-76B)Only with: LITEF LCR-100 Attitude Heading and Reference System (AHRS) Unit P/N 145130-7100 installed |
| 2010-10-02 | Sikorsky Aircraft Corporation Model S-76A, B, and C Helicopters | Jun 17, 2010 | Airframe (S-76B)Only with: Main rotor servo actuator Sikorsky P/N 76650-09805-109 or -110 (also marked HR Textron or Woodward HRT P/N 3006760-109 or -110) installed. |
| 2005-22-01 | Sikorsky Aircraft Corporation Model S-76A, B, and C Helicopters | Nov 10, 2005 | Airframe (S-76B)Only with: Main rotor hub pilot fitting P/N 76103-08003-101 with 1500 or more hours TIS installed. |
| 2003-04-15 | Sikorsky Aircraft Corporation Model S-76A, B, and C Helicopters | Feb 27, 2003 | Airframe (S-76B) |
| 2002-15-51 | Sikorsky Aircraft Corporation Model S76A, B, and C Helicopters | Oct 18, 2002 | Airframe (S-76B) |
| 2001-25-06 | Sikorsky Aircraft Corporation Model S-76B and S-76C Helicopters | Jan 4, 2002 | Airframe (S-76B)Certain serial numbers: S-76B 760430; S-76B 760441–760445; S-76B 760448–760452; S-76B 760454; S-76B 760455; S-76B 760458; … |
| 2001-10-06 | Sikorsky Aircraft Corporation Model S-76A, S-76B, and S-76C Helicopters | May 17, 2001 | Airframe (S-76B)Only with: Main rotor shaft assembly P/N 76351-09030 (all dash numbers) installed. |
| 2001-01-04 | Sikorsky Aircraft Corporation Model S-76A, S-76B, and S-76C Helicopters | Feb 2, 2001 | Airframe (S-76B)Certain serial numbers: …–760513. Only with: Positioning rod assembly P/N 1945E-31A or 2071-31, or side brace rod end P/N 1945E-235 or 2071-235, installed. |
| 2000-11-52 | Sikorsky Aircraft Corporation Model S-76 Series Helicopters | Aug 31, 2000 | Airframe (S-76B) |
| 99-19-30 | Sikorsky Aircraft Corp. Model S76A, B, and C Helicopters | Oct 4, 1999 | Airframe (S-76B) |
| 96-15-03 | Sikorsky Aircraft Model S-76B Helicopters | Aug 19, 1996 | Airframe (S-76B)Only with: Engine drive shaft assembly P/N 76361-09202-044, -047, -049, or -051 with rivet P/N CR3523P-8-XX with washer or balance weight, or rivet P/N NAS1738MW6-X with or without washer, installed. |