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The article reports a notice of proposed rule issued by the U.S. Federal Aviation Administration (FAA) seeking comments regarding a new Airworthiness Directive (AD) adopted for several models of helicopters by Eurocopter Deutschland GmbH, a helicopter manufacturer. It mentions that the comments regarding the proposed AD must reach FAA by October 29, 2012. It also includes a diagrammatic representation of the parts of helicopter regarding which the AD has been issued.

The article offers information on the amendment from the Federal Aviation Administration, (FAA) and U.S. Department of Transportation (DOT) concerning airworthiness directive (AD) for model helicopters with certain tail rotor blades from Bell Helicopter Textron Inc. (BHT). It notes that the AD was instigated by an incident which determined the potential of additional blades to be affected by a vibration. The purpose of the issuance of the AD is explained.

The article reports on the amendment issued by the U.S. Department of Aviation regarding the safety of the Bell models 407 and 427 of helicopters. The airworthiness directive suggests inspecting hydraulic servo actuators failure of which can lead to loss of control of helicopters. Effective date of this rule is November 14, 2011 and comments for any inclusion in the rule must be submitted by December 27, 2011 and further address for submitting comments is provided.

The article reports on the amendment issued by the U.S. Department of Aviation regarding the safety of the helicopters. The airworthiness directive suggests inspecting the upper end fitting ball joints of the main rotor servo control failure of which can lead to loss of control of helicopters. Effective date of this rule is November 14, 2011 and comments for any inclusion in the rule must be submitted by December 27, 2011 and further address for submitting comments is provided.

The article reports on a notice of final rule issued by the U.S. Federal Aviation Administration (FAA) seeking comments regarding a new Airworthiness Directive (AD) adopted for model S-70, S-70A, and S-70C helicopters, manufactured by Sikorsky Aircraft Corp. It mentions that the comments regarding the AD must reach FAA by January 14, 2013. Other topics included are information on examining the AD docket, costs of compliance and regulatory findings.

The article offers information about a notice issued by the U.S. Federal Aviation Administration (FAA). The notice informs about a rule proposed by FAA for replacing an existing Emergency airworthiness directive (AD) for the certain helicopter's models of Sikorsky Aircraft Corp. The proposed AD is issued for preventing overheating and seizing of the intermediate gearbox (IGB), failure of the tail rotor drive output and loss of tail rotor drive. The notice invites comments on the proposed AD.

The article offers information about a notice issued by the U.S. Federal Aviation Administration (FAA). The notice informs about a rule proposed by FAA for adopting a new airworthiness directive (AD) for the certain helicopters models of Bell Helicopter Textron (BHT) Inc. The proposed AD is issued for detecting a crack in the collective lever to avoid loss of control of the helicopter.

The article offers information on a notice issued by the U.S. Federal Aviation Administration (FAA). The notice informs that the FAA proposes a rule for adopting a new airworthiness directive (AD) by replacing an existing AD for the helicopter model MD900 of MD Helicopters Inc. The proposed AD requires an eddy current inspection of the main rotor lower hub assembly for detecting a crack in the lower hub and preventing failure of the lower hub.

The article offers information on a notice issued by the U.S. Federal Aviation Administration (FAA). The notice informs that the FAA proposes a rule for adopting a new airworthiness directive (AD) for Agusta SpA (Agusta) Model A109S helicopters due to the failure of Agusta Model A109E helicopter. The proposed AD requires modification of the electrical power distribution system to avoid loss of electric power and failure of the circuit breaker.

The article offers information about a notice issued by the U.S. Federal Aviation Administration (FAA). The notice informs that the FAA proposes a rule for adopting a new airworthiness directive (AD) for the Model 430 helicopter of Bell Helicopter Textron Canada Ltd. which requires replacement of the certain components of the air data system. The notice invites public comments on the proposed AD which are to be sent to the U.S. Department of Transportation (DOT) in Washington D.C.

The article focuses on a notice issued by the U.S. Federal Aviation Administration (FAA) of the U.S. Department of Transportation (DOT) regarding revision of proposed airworthiness directive (AD) for Sikorsky helicopters with General Electric (GE) Co. installed engines. Proposed AD determines the life limit for GE engine gas generator turbine (GGT) rotor parts based on low cycle fatigue events and establishes new fatigue life limits to prevent fatigue failure and loss of control of helicopter.

The article reports a notice of proposed rule issued by the U.S. Federal Aviation Administration (FAA) seeking comments regarding a new Airworthiness Directive (AD) adopted for AB139 and AW139 models of helicopters by Agusta SpA, a helicopter manufacturer. It mentions that the comments regarding the proposed AD must reach FAA by October 29, 2012. Other topics included are related service information, costs of compliance and regulatory findings.

The article reports on a notice of final rule issued by the U.S. Federal Aviation Administration (FAA) that discusses a new Airworthiness Directive (AD) adopted for EC155B and EC155B1 models of helicopters by Eurocopter SSA, a helicopter manufacturer. It mentions that the effective date for this new rule shall be September 26, 2012. Other topics included are related service information, costs of compliance and regulatory findings.

The article discusses a new Airworthiness Directive (AD) by the U.S. Federal Aviation Administration (FAA) that is proposed to be adopted for S-76A model of helicopter by Sikorsky Aircraft Corporation, a helicopter manufacturer. It mentions that the AD shall be effective September 21, 2012 onwards. Other topics included are related service information, costs of compliance and regulatory findings.

The article reports on the amendment issued by the U.S. Department of Aviation regarding the safety of the Eurocopter model EC225LP helicopters. The airworthiness directive suggests inspecting sides of pilot and co-pilot seats for loose screw, nuts or washer failure of which can lead to detachment of seats during emergency landing. Effective date of this rule is November 14, 2011 and comments for any inclusion in the rule must be submitted by December 27, 2011.

The article offers information about a notice issued by the U.S. Federal Aviation Administration (FAA). The notice informs about a rule proposed by FAA for adopting a new airworthiness directive (AD) for the Model S-76C helicopters of Sikorsky Aircraft Corp. The proposed AD is issued for preventing unintended movement of the engine control levers (ECL) to avoid loss of control of the aircraft.

The article reports a notice of proposed rule issued by the U.S. Federal Aviation Administration (FAA) seeking comments regarding a new Airworthiness Directive (AD) adopted for Model 369D, 369E, 369F, and 369FF of helicopter by MD Helicopters Inc., a helicopter manufacturer. It mentions that the comments regarding the proposed AD must reach FAA by October 29, 2012. Other topics included are information on examining the AD docket, costs of compliance and regulatory findings.

A correction to an article related to airworthiness directive published by the U.S. Federal Aviation Administration (FAA) published in the June 25, 2012 issue on page 37779 in the second column is presented.