| 2015-15-04 | Bell Helicopter Textron, Inc. | Aug 7, 2015 | Airframe (204-B)Only with: Main rotor blade grip P/N ASI-4011-121-113 installed; for Models 204B, 205A and 205A-1 only if the grip was ever installed on a Model 212 or its history is unknown. |
| 2014-12-04 | Bell Helicopter Textron, Inc. (BHTI) Helicopters | Jul 24, 2014 | Airframe (204-B)Only with: Main rotor grips P/N 204-011-121-005, -009, -113, -117, -121 or ASI-4011-121-9 installed as listed per model in Table 1 (P/N -005 and -113 on 204B/205A/205A-1 only if the grip was ever installed on a Model 205B). |
| 2014-03-11 | Bell Helicopter Textron, Inc. (Bell) Helicopters | Mar 26, 2014 | Airframe (204-B)Only with: Cable assembly part number 205-001-720-001 installed. |
| 2012-17-08 | Bell Helicopter Textron, Inc. (Bell) Helicopters | Feb 27, 2013 | Airframe (204-B)Only with: Main rotor yoke P/N AAI-4011-102, ASI-4011-102, or 204-011-102 (all dash numbers) installed. |
| 2007-19-53 | Bell Helicopter Textron, Inc. Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412EP, and… | Dec 5, 2007 | Airframe (204-B)Only with: Applies only with a tail rotor blade installed having one of these P/N and S/N: 204-011-702-015 (AFS-12703, AFS-12893, AFS-23525, AFS-23573); 204-011-702-121 (A-22020); 212-010-750-105FM (A-10090, A-10836, A-11207, A-11332); 212-010-750-113 (A-14953, A15090, CS-12702); 212-010-750-113FM (A-12240, A-12296, A-12640, A-12670, A-12789, A-13033, A-13096, A-13134, A-13199, A-13264, A-13366); 212-010-750-133 (A15602). |
| 2002-22-14 | Bell Helicopter Textron, Inc. Model 204B, 205A, 205A-1, 205B, 212, 214B, and 214B-1… | Dec 13, 2002 | Airframe (204-B)Only with: Main rotor tension-torsion (TT) strap P/N 204-012-122-1, 204-012-122-5, or 214-010-179-1 installed. |
| 2002-15-04 | Honeywell International, Inc., (formerly AlliedSignal, Inc. and Textron Lycoming)… | Sep 10, 2002 | Engine (T-53 SERIES)Only with: Engines with centrifugal compressor impellers having serial numbers 83317, 83327, 83328, or 83330 installed. |
| 2001-02-11 | Bell Helicopter Textron, Inc. Model 204B Helicopters | Feb 15, 2001 | Airframe (204-B)Only with: Main rotor mast assembly P/N 204-011-450-001 installed. |
| 2000-15-52 | Bell Helicopter Textron, Inc. Model 204B, 205A, 205A-1, 205B, and 212 Helicopters | Dec 28, 2000 | Airframe (204-B)Only with: Main rotor mast P/N 204-011-450-001, -007, -105, -113, or -119, or main rotor trunnion P/N 204-011-105-001 or -103, installed. |
| 99-17-03 | Bell Helicopter Textron, Inc. Model 204B, 205A, and 205A-1 Helicopters | Sep 16, 1999 | Airframe (204-B)Only with: Model 204B with vertical fin spar P/N 205-030-899-001, -089, 205-030-846-001, -003, -047, -049, or 204-030-825-063, -065 installed; Models 205A and 205A-1 with fin spar P/N 205-030-899-101, 205-030-846-087, -089, or 205-032-851-003, -007, -009 installed. |
| 98-24-15 | Bell Helicopter Textron Model 204B, 205A, 205A-1, 205B, and 212 Helicopters | Dec 8, 1998 | Airframe (204-B) |
| 95-10-07 | Bell Helicopter Textron, Inc. Model 205A, 205A-1, and 204B Helicopters | May 26, 1995 | Airframe (204-B)Only with: 42-degree tail rotor drive gearbox assembly P/N 204-040-003-023 or 204-040-003-037 installed. |