| 2013-22-21 | Bell Helicopter Textron, Inc., Helicopters | Dec 13, 2013 | Airframe (206B)Only with: Apical Industries, Inc. emergency float kit installed under STC SR01535LA. |
| 2013-18-06 | Bell Helicopter Textron Canada Limited (Bell) Helicopters | Oct 17, 2013 | Airframe (206B)Only with: Applies only to helicopters with specified flight control bellcrank, link, idler, bearing, swashplate link, or engine bipod mount fitting assemblies (various P/Ns by model) installed. |
| 2012-12-11 | Bell Helicopter Textron Canada, Limited, Helicopters | Jul 24, 2012 | Airframe (206B)Only with: Modified with Aviation Specialties Unlimited, Inc. (ASU) Night Vision Imaging System (NVIS) lighting installed per STC SR01383SE. |
| 2010-26-51 | Bell Helicopter Textron Canada Limited (BHTC) Model 206A, 206B, 206L, 206L-1, 206L-3… | Mar 25, 2011 | Airframe (206B)Serial numbers per RBI document attached to Bell Helicopter Textron ASBs 206-07-116, 206L-07-148, 222-07-106, 222U-07-77, 230-07-38, 407-07-81, 427-07-18, 430-07-41. Only with: Tail rotor blade with part number and serial number listed in the RBI document attached to the Bell ASBs installed. |
| 2009-07-52 | Bell Helicopter Textron Canada Limited Model 206A Series, 206B Series, 206L Series, 407… | May 1, 2009 | Airframe (206B)Only with: Model 206A/206B/206L series with cyclic control lever assembly P/N 206-001-401-111, 206-001-400-115, or 206-001-400-111, and Model 407/427 with lever assembly P/N 407-001-320-105 or 407-001-320-109, with less than 50 hours TIS. |
| 2009-08-03 | Bell Helicopter Textron Canada Limited Model 206A, 206B, 206L, 206L-1, 206L-3, 206L-4… | Apr 24, 2009 | Airframe (206B)Serial numbers per Rotor Blades, Inc. (RBI) document attached to Bell Helicopter Textron ASBs 206-07-116, 206L-07-148, 222-07-106, 222U-07-77, 230-07-38, 407-07-81, 427-07-18, 430-07-41. Only with: Tail rotor blade installed with a part number and serial number listed in the RBI document attached to the applicable Bell ASB. |
| 2008-14-03 | Bell Helicopter Textron Canada Model 206A, 206B, 206L, 206L-1, 206L-3, and 206L-4… | Aug 14, 2008 | Airframe (206B)Only with: Upper left-hand tailboom attachment CRES steel fitting P/N 407-030-750-103 installed. |
| 2007-25-07 | Bell Helicopter Textron Canada Limited Model 206A and 206B Helicopters | Jan 14, 2008 | Airframe (206B)Certain serial numbers: 0004–3906. Only with: Two-piece vertical stabilizer (fin) supports P/N 206-031-417-003 or -007, or P/N 206-031-418-001 or -005, installed. |
| 2007-23-17 | Bell Helicopter Textron Canada Model 206A and 206B Helicopters | Dec 6, 2007 | Airframe (206B)Certain serial numbers: …–3216. Only with: Main rotor latch bolt P/N 206-010-169-001, 206-010-169-003, or 206-011-122-003 installed. |
| 2006-16-04 | Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division… | Sep 7, 2006 | Engine (250-C20) |
| 2006-13-06 | Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division… | Jul 26, 2006 | Engine (250-C20)Only with: Engines with gas producer rotor assembly tie bolt P/Ns A23008020, E23008020 (EXTEX), 23008020, 6843388, 6876991 (RRC), A23008020 (SAP), or 23008020P (Pacific Sky Supply) installed. |
| 2005-10-13 | Rolls-Royce Corporation (Formerly Allison Engine Company) 250-B17B, -B17C, -B17D, -B17E… | Jun 22, 2005 | Engine (250-C20)Only with: Engines that do not have turbine energy absorbing ring RRC P/N 23035175, or an equivalent FAA-approved serviceable ring, installed. |
| 2003-13-14 | Bell Helicopter Textron Canada Model 206A, 206A-1, 206B, 206B-1, 206L, 206L-1, 206L-3… | Aug 12, 2003 | Airframe (206B) |
| 81-18-01 R1 | Bell Helicopter Textron, Inc. Model 206A, 206B, 206A-1, 206B-1, 206L, and 206L-1… | Dec 11, 2001 | Airframe (206B)Only with: Main rotor trunnion P/N 206-010-104-3, 206-011-113-001, 206-011-120-001, or 206-011-113-103 installed. |
| 95-09-06 | Bell Helicopter Textron, Inc. Model 206A, 206B, 206L, 206L-1, and 206L-3 Helicopters | Jun 8, 1995 | Airframe (206B) |