| 2018-02-08 | Bell Helicopter Textron Helicopters | Feb 1, 2018 | Airframe (205A-1)Only with: Helicopter Technology Company (HTC) main rotor blade part number 204P2100-101 installed. |
| 2016-22-07 | Bell Helicopter Textron | Nov 30, 2016 | Airframe (205A-1)Only with: Main rotor blade P/N 204-011-200-001 or P/N 204-011-250-(all dash numbers) installed. |
| 2015-15-04 | Bell Helicopter Textron, Inc. | Aug 7, 2015 | Airframe (205A-1)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 (205A-1)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). |
| 2013-15-02 | Bell Helicopter Textron Helicopters | Aug 14, 2013 | Airframe (205A-1)Only with: Tail rotor blade assembly P/N 210-010-001-(all dash numbers) or 212-010-750-(all dash numbers) installed. |
| 2012-17-08 | Bell Helicopter Textron, Inc. (Bell) Helicopters | Feb 27, 2013 | Airframe (205A-1)Only with: Main rotor yoke P/N AAI-4011-102, ASI-4011-102, or 204-011-102 (all dash numbers) installed. |
| 2012-26-11 | Bell Helicopter Textron Inc. Helicopters | Feb 13, 2013 | Airframe (205A-1)Only with: Starter/generator power cable assemblies P/N 205-075-902-017 and P/N 205-075-911-007 installed. |
| 2012-22-06 | Aeronautical Accessories, Inc., High Landing Gear Forward Crosstube Assembly | Dec 14, 2012 | Airframe (205A-1)Only with: Aeronautical Accessories, Inc. high landing gear forward crosstube assembly P/N 212-321-103 installed |
| 2011-23-02 | Bell Helicopter Textron, Inc. (Bell), Model 205A-1, 205B, 210, and 212 Helicopters | Nov 21, 2011 | Airframe (205A-1)Only with: Main rotor blade P/N 204-012-001-023 or -033; 210-015-001-101; 212-015-501-005, -111, -113, -115, -117, -119, or -121 installed. |
| 2011-12-08 | Bell Helicopter Textron, Inc. Model 205A, 205A-1, 205B, 212, 412, 412CF, and 412EP… | Jul 5, 2011 | Airframe (205A-1)Only with: Tail rotor blade P/N 212-010-750 (all dash numbers) installed, all blade S/Ns except those with prefix "A" and number 17061 or larger. |
| 2010-10-16 | Bell Helicopter Textron (Bell) Model 205A, 205A-1, 205B, 212, 412, 412EP, and 412CF and… | Jun 8, 2010 | Airframe (205A-1)Only with: AAI Low Skid Landing Gear Forward Crosstube P/N 212-320-103 with S/N prefix "AA" and S/N 574 through 628 installed. |
| 2009-15-13 | Honeywell International Inc., T5313 and T5317 Series Turboshaft Engines | Aug 25, 2009 | Engine (T5317B)Only with: Combustion chamber housing (CCH) P/Ns 1-130-610-05, 1-130-610-12, or 1-130-610-17 installed. |
| 2007-19-53 | Bell Helicopter Textron, Inc. Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412EP, and… | Dec 5, 2007 | Airframe (205A-1)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). |
| 2006-11-16 | Honeywell International Inc. T5311A, T5311B, T5313B, T5317A, T5317A-1, and T5317B Series… | Jul 5, 2006 | Engine (T5317B)Only with: Engines using GPECS (formerly Chandler Evans) engine fuel control regulator assembly models TA-2S, TA-2G, TA-2F, TA-7, or TA-10. |
| 2002-22-14 | Bell Helicopter Textron, Inc. Model 204B, 205A, 205A-1, 205B, 212, 214B, and 214B-1… | Dec 13, 2002 | Airframe (205A-1)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 (T5317B)Only with: Engines with centrifugal compressor impellers having serial numbers 83317, 83327, 83328, or 83330 installed. |
| 2002-09-04 | Bell Helicopter Textron, Inc. Model 205A, 205A-1, 205B, 212, 412, 412EP, and 412CF… | Jun 7, 2002 | Airframe (205A-1)Only with: Tail rotor blade P/N 212-010-750-009, -011, -105, -107, -109, or -111 installed, with blade S/N prefix ATR or A3, or prefix A with number less than or equal to 11529. |
| 2001-13-01 | Bell Helicopter Textron, Inc. Model 205A-1, 205B, 212, 412, 412EP, and 412CF Helicopters | Aug 1, 2001 | Airframe (205A-1) |
| 2000-15-52 | Bell Helicopter Textron, Inc. Model 204B, 205A, 205A-1, 205B, and 212 Helicopters | Dec 28, 2000 | Airframe (205A-1)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. |
| 99-18-02 | Bell Helicopter Textron, Inc. Model 205A-1 and 205B Helicopters | Oct 5, 1999 | Airframe (205A-1)Only with: Model 205A-1 with vertical fin spar cap P/N 212-030-447-001 or -101 installed; Model 205B with vertical fin spar cap P/N 212-030-447-101 installed. |
| 99-17-03 | Bell Helicopter Textron, Inc. Model 204B, 205A, and 205A-1 Helicopters | Sep 16, 1999 | Airframe (205A-1)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. |
| 98-11-14 | Bell Helicopter Textron, Inc. Model 205A-1 and 205B Helicopters | Feb 10, 1999 | Airframe (205A-1)Only with: 205A-1 with tail rotor yoke assembly P/N 212-011-702, 212-010-704, or 212-010-744 (all dash numbers) installed; 205B with tail rotor yoke assembly P/N 212-011-702 (all dash numbers) installed. |
| 98-24-15 | Bell Helicopter Textron Model 204B, 205A, 205A-1, 205B, and 212 Helicopters | Dec 8, 1998 | Airframe (205A-1) |
| 95-10-07 | Bell Helicopter Textron, Inc. Model 205A, 205A-1, and 204B Helicopters | May 26, 1995 | Airframe (205A-1)Only with: 42-degree tail rotor drive gearbox assembly P/N 204-040-003-023 or 204-040-003-037 installed. |