Airworthiness Directive · Amendment 39-21825 · Engine fuel and control
Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Superseded. A later AD replaced this one: AD 2023-12-26. Comply with the one in force.
This AD applies to Bell Helicopter Textron Canada Limited (type certificate previously held by Bell Helicopter Textron Canada Limited) Model 505 helicopters having serial number 65011 and subsequent, certificated in any category.
The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Canada Limited (type certificate previously held by Bell Helicopter Textron Canada Limited) Model 505 helicopters. This AD was prompted by the determination that reducing the pressure altitude limitations for certain fuel types is necessary. This AD requires revising the existing Rotorcraft Flight Manual (RFM) for your helicopter. The FAA is issuing this AD to address the unsafe condition on these products.
Within 30 calendar days after the effective date of this AD, revise the Limitations Section of the existing Rotorcraft Flight Manual (RFM) for your helicopter by replacing Figure 1-6. with Figure 1-6. Fuel Operating Envelope (Sheet 1 of 1) of Bell 505 Rotorcraft Flight Manual BHT-505-FM-1, Revision 3, dated July 25, 2018 (BHT-505-FM-1 Revision 3). Using a different document with information identical to that in Figure 1-6. Fuel Operating Envelope (Sheet 1 of 1) of BHT-505-FM-1 Revision 3 is acceptable for compliance with the requirements of this AD. The action required by this paragraph may be performed by the owner/operator (pilot) holding at least a private pilot certificate and must be entered into the aircraft records showing compliance with this AD in accordance with 14 CFR 43.9(a)(1) through (4) and 14 CFR 91.417(a)(2)(v). The record must be maintained as required by 14 CFR 91.417, 121.380, or 135.439.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
