| 2021-11-13 | Bell Textron Canada Limited Helicopters | Jul 15, 2021 | Airframe (429)Only with: Bell Emergency Flotation System kit P/N 429-706-069-101/-103/-105/-121/-123/-125/-139/-141/-143/-157 manufactured before July 2019 with a float supply hose manufactured before January 2014 installed, except hoses marked 'SB 025-69-21'. |
| 2021-03-13 | Main rotor system | Apr 1, 2021 | Airframe (429)Certain serial numbers: 429 57001–57351 |
| 2020-04-21 | Bell Helicopter Textron Canada Limited Helicopters | Mar 31, 2020 | Airframe (429)Certain serial numbers: 429 57001–57343; 429 57346–57349; 429 57352–57356; 429 57362. Only with: Curvic coupling part number 429-012-120-101 installed. |
| 2019-06-04 | Bell Helicopter Textron Canada Limited Helicopters | May 7, 2019 | Airframe (429)Certain serial numbers: 429 57001–on. Only with: Main rotor pitch link rod end bearing assembly P/N 429-010-433-101 or 429-010-433-103 installed. |
| 2019-03-05 | Bell Helicopter Textron Canada Limited Helicopters | Mar 26, 2019 | Airframe (429)Only with: Nose landing gear (NLG) assembly P/N 429-336-100-101 installed. |
| 2018-21-15 | Bell Helicopter Textron Canada Limited Helicopters | Nov 27, 2018 | Airframe (429)Certain serial numbers: 429 57001–57260. Only with: Pylon restraint spring assembly forward rod end P/N 427-010-210-105 or aft rod end P/N 427-010-210-109 installed. |
| 2018-16-51 | Bell Helicopter Textron Canada Limited Helicopters | Nov 6, 2018 | Airframe (429) |
| 2018-14-07 | Bell Helicopter Textron Canada Limited Helicopters | Aug 16, 2018 | Airframe (429)Certain serial numbers: 429 57150; 429 57168; 429 57176; 429 57210–57216; 429 57265; 429 57266; …. Only with: Forward spar P/N 429-031-213-103 or 429-031-213-104, or actuator fitting assembly P/N 429-031-222-101 or 429-031-222-102 installed. |
| 2017-15-13 | Bell Helicopter Textron Canada Limited | Aug 31, 2017 | Airframe (429) |
| 2017-05-51 | Bell Helicopter Textron Canada Helicopters | Apr 25, 2017 | Airframe (429)Only with: Air Comm Corporation air conditioning system P/N 429EC-200 or 429EC-202 installed. |
| 2016-20-01 | Bell Helicopter Textron Canada Limited (Bell) Helicopters | Oct 17, 2016 | Airframe (429)Only with: Engine and transmission oil check valve P/N 209-062-520-001 manufactured by Circor Aerospace, marked "Circle Seal", with manufacturing date code 10/11 through 03/15, installed. |
| 2015-17-02 | Bell Helicopter Textron Canada (Bell) Helicopters | Sep 24, 2015 | Airframe (429)Only with: Engine-to-transmission driveshaft assembly P/N 206-340-300-105 installed. |
| 2013-03-21 | Pratt & Whitney Canada Corp. Turboshaft Engines | Mar 26, 2013 | Engine (PW207D) |
| 2009-03-05 | Pratt & Whitney Canada PW206A, PW206B, PW206B2, PW206C, PW206E, PW207C, PW207D, and… | Mar 27, 2009 | Engine (PW207D) |
| 2004-14-22 | Pratt & Whitney Canada PW206B, PW206C, PW206E, PW207D, and PW207E Turboshaft Engines | Aug 3, 2004 | Engine (PW207D)Only with: PW206B engines only if PWC Service Bulletin No. 28119 has been incorporated. |