| 2002-13-51 | Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P; and… | Aug 19, 2002 | Airframe (UH-1B)Only with: Tail rotor grip P/N 205-011-711-101 installed; helicopters manufactured by Bell for the U.S. Armed Forces. |
| 2002-01-31 | Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, UH-1P, and… | Feb 1, 2002 | Airframe (UH-1B)Only with: Manufactured for the U.S. Armed Forces, with main rotor mast P/N 204-011-450-007, -105, or -109, or main rotor trunnion P/N 204-011-105-001 installed. |
| 2000-15-21 R1 | Bell Helicopter Textron Inc.-Manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B… | Nov 7, 2000 | Airframe (UH-1B)Only with: Manufactured by BHTI for the U.S. Armed Forces, with main rotor mast assembly P/N 204-011-450-001 or -005 installed. |
| 2000-15-21 | Bell Helicopter Textron Inc.-Manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B… | Aug 9, 2000 | Airframe (UH-1B)Only with: Main rotor mast assembly P/N 205-011-450-001 or -005 installed. |
| 99-07-15 | Bell Helicopter Textron, Inc.- manufactured Model HH-1K, SW204, SW204HP, SW205… | May 3, 1999 | Airframe (UH-1B)Only with: Tail rotor yoke P/N 212-011-702 (all dash numbers), P/N 212-010-704 (all dash numbers), or P/N 212-010-744 (all dash numbers) installed. |
| 97-20-09 | Bell Helicopter Textron (Bell)- manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B… | May 28, 1998 | Airframe (UH-1B)Only with: Tailboom vertical fin spar P/N 205-032-899, 205-030-846, or 205-032-851, all dash numbers, installed. |