Specifications include, but are not limited to: Piston Helicopter Maintenance: Maintenance/repair services to include: • routine, scheduled and non-scheduled maintenance; • scheduled maintenance, servicing and inspections; • airframe, engine rotor system, drive system and time component changes; • component/parts repairs as allowed and as applicable below; • landing gear changes as needed; • repairs in the field; • overhauls, restoration and conformity checks. Turbine Helicopter Maintenance: Maintenance/repair/avionics services to include: • routine, scheduled and non-scheduled maintenance; • scheduled maintenance, servicing and inspections; • airframe, engine rotor system, drive system and time component changes; • component/parts repairs as allowed and as applicable below; • landing gear changes as needed; • repairs in the field; • overhauls, restoration and conformity checks.