| 2018-16-14 | Bell Helicopter Textron Inc., Helicopters | Oct 4, 2018 | Airframe (212)Only with: Emergency flotation system (EFS) tube assembly P/N 412-073-820-101 with a date of manufacture before July 28, 2016, or an unknown date of manufacture installed. |
| 2015-15-04 | Bell Helicopter Textron, Inc. | Aug 7, 2015 | Airframe (212)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 (212)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 (212)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 (212)Only with: Main rotor yoke P/N AAI-4011-102, ASI-4011-102, or 204-011-102 (all dash numbers) installed. |
| 2012-22-06 | Aeronautical Accessories, Inc., High Landing Gear Forward Crosstube Assembly | Dec 14, 2012 | Airframe (212)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 (212)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 (212)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 (212)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. |
| 2007-19-53 | Bell Helicopter Textron, Inc. Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412EP, and… | Dec 5, 2007 | Airframe (212)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 (212)Only with: Main rotor tension-torsion (TT) strap P/N 204-012-122-1, 204-012-122-5, or 214-010-179-1 installed. |
| 2002-19-05 | Bell Helicopter Textron, Inc. Model 212 Helicopters | Oct 30, 2002 | Airframe (212)Only with: Vertical fin spar cap P/N 212-030-125-001 installed (with or without retrofit kit P/N 212-704-087), or spar cap P/N 212-030-447-001 or 212-030-447-101 installed. |
| 2002-09-04 | Bell Helicopter Textron, Inc. Model 205A, 205A-1, 205B, 212, 412, 412EP, and 412CF… | Jun 7, 2002 | Airframe (212)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 (212) |
| 2000-15-52 | Bell Helicopter Textron, Inc. Model 204B, 205A, 205A-1, 205B, and 212 Helicopters | Dec 28, 2000 | Airframe (212)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. |
| 98-11-15 | Bell Helicopter Textron, Inc. Model 212 Helicopters | Feb 10, 1999 | Airframe (212)Only with: Tail rotor yoke assembly P/N 212-010-704 (all dash numbers), P/N 212-010-744 (all dash numbers), or 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 (212) |