CTHIn ForceLegislation
AD/BELL 407/35 - Gas Producer RPM
Bell Helicopter Textron Canada (BHTC) 40Bell Helicopter Textron Canada (BHTC) 407 Series Helicopters
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Bell Helicopter Textron Canada (BHTC) 407 Series Helicopters
| AD/BELL 407/35 | Gas Producer RPM | 5/2009 |
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| Applicability: | Bell Helicopter Textron Canada (BHTC) Model 407 helicopters, serial numbers 53000 through 53862. |
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| Requirement: | Install decal P/N 407-070-008-101 in accordance with instructions provided in BHTC Alert Service Bulletin (ASB) 407-08-82 Rev. A dated 17 November 2008, or later revisions approved by the Chief, Continuing Airworthiness, Transport Canada.Note 1: Compliance to ASB 407-08-82 dated 19 May 2008 meets the requirements of this AD.Note 2: Transport Canada AD CF-2009-06 dated 5 February 2009 refers. |
| Compliance: | Within 50 flight hours but no later than 30 days after the effective date of this AD, unless previously accomplished. |
| This Airworthiness Directive becomes effective on 7 May 2009. | |
| Background: | A gas producer RPM (NG) limitation for high altitude and cold temperature has been introduced in Revision 7 to the Flight Manual. A corresponding decal is to be installed in the cockpit to provide a quick reference for the pilot.This AD mandates installation of the decal in the cockpit. |
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James Coyne
Delegate of the Civil Aviation Safety Authority
26 March 2009