FSC 1710

Includes Aircraft Arresting Barriers.
Excludes Airport Runway Marker Lights (FSC 6220).

FSC 1720

Includes Catapults.
Excludes Guided Missile Launchers (FSC 1440) and Space Vehicle Launchers (FSC 1840).

FSC 1725

Includes Launchers specifically designed for Space Vehicles.
Excludes Launchers used with both Guided Missiles and Space Vehicles.

FSC 1730

Note-This class excludes "vehicular components" such as those listed under FSC's 2520, 2530, 2540, 2590.

Includes Energizers; Engine Preheaters; Mooring Assemblies; Wheel Chocks; Beaching Equipment; Aileron, Elevator, and Rudder Locks; Passenger Loading Ramps; Maintenance Platforms; Aircraft Maintenance and Boarding Ladders; Aircraft Maintenance Slings and Hoists; Aircraft Fin Tilting Jacks; Airfield Specialized Lift Trucks and Trailers; Fitted Covers for Airframe Components; Aircraft Engine Covers.
Excludes Airfield Specialized Trucks and Trailers designed primarily for transporting aircraft assemblies (FSC 1740); Maintenance Stands designed for support of aircraft assemblies during repair or overhaul (FSC 4920); Test Stands (FSC 4920); General Purpose Jacks (FSC 5120); Slings (FSC 3940), and Hoists (FSC 3950); Trailers (FSC 2330), Liquid Oxygen, Aircraft Servicing (FSC 1660).

FSC 1735

Note - This class does not include space vehicle aerial recovery systems which are classified in Class 1670.

Includes Specially designed Trucks and Trailers for use in transporting Space Vehicles; Specially designed Slings, Hoists, Jacks, and Blowers, Self-propelled Vehicles, specially designed for space vehicle handling or servicing; Covers, space vehicle.
Excludes Equipment used in handling or servicing both Guided Missile and Space Vehicles.

FSC 1740

Note-This class excludes "vehicular components" such as those listed under FSC's 2520, 2530, and 2590.

Includes Airfield Specialized Trucks and Trailers designed primarily for transporting aircraft assemblies; Trailers: Afterburner, Engine, Propeller, Fuselage, and Wing; Trucks, Aircraft Fuselage and Aircraft Wing; Skids, Engine Transport; Stands, Engine Transport; Bomb Trailers, Airfield; Trucks, Crashed Aircraft Removing.
Excludes Airfield Specialized Lift Trucks (FSC 3930), and Trailers (FSC 2330); Highway Type Trucks (FSC 2320), and Trailers (FSC 2330); Cargo Loading and Unloading Trailers (FSC 2330) and Trucks (FSC 2320).