Special Conditions: Sikorsky Aircraft Corporation Model S-92A Helicopter; Use of a Dual-Engine 30-Minute Power Rating

These special conditions are issued for Sikorsky Aircraft Corporation (Sikorsky) Model S-92A helicopters. The S-92A helicopters will have an unusual feature associated with the use of a dual-engine 30-minute power rating. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for use of this power rating. These special conditions contain the additional safety standards that the Administrator considers necessary to ensure that critical functions of systems will be maintained during use of this rating.