Airworthiness directives › 2015-04-04
AD 2015-04-04 Airworthiness Directives; Bell Helicopter Textron Inc. Helicopters
Applicability*9
This AD becomes effective March 11, 2015.
Compliance
Special flight permits are prohibited.
Required actions
(1) The Manager, Rotorcraft Certification Office, FAA, may approve AMOCs for this AD. Send your proposal to: Ife Ogunleye, Aviation Safety Engineer, Rotorcraft Certification Office, Rotorcraft Directorate, FAA, 2601 Meacham Blvd., Fort Worth, Texas 76137; telephone (817) 222-5927; email 7-AVS-ASW-170@faa.gov. (2) For operations conducted under a 14 CFR part 119 operating certificate or under 14 CFR part 91, subpart K, we suggest that you notify your principal inspector, or lacking a principal inspector, the manager of the local flight standards district office or certificate holding district office before operating any aircraft complying with this AD through an AMOC.
Unsafe condition
Within 5 hours time-in-service: (1) Add the statement “Flight is restricted to VFR, and night operations are prohibited” to the Limitations section of the Rotorcraft Flight Manual by making pen and ink changes or by inserting a copy of this AD. (2) Install a placard stating “LIMITED TO VFR ONLY; NIGHT OPERATIONS PROHIBITED” on the instrument panel in full view of the pilots.
Affected ADs
This AD defines the unsafe condition as failure of an inverter(s) under instrument meteorological conditions or night flight. This condition could result in smoke in the cockpit, increased pilot workload due to the loss of primary flight and navigation displays, alternating current powered engine and transmission indicators, and autopilot, and subsequent loss of control of the helicopter.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1