Applies to establishments engaged in operating airports. This classification includes work such as, but not limited to, control tower operations, information clerks located at the airport, baggage handlers who load/unload planes, maintenance and janitorial personnel, porters (skycaps), security personnel, fuel attendants and fire department personnel.

This classification excludes clerical personnel and ticket sellers with no other duties who may be reported separately in classification 4904.

Applies to ground crew operations of employers with aircraft operations not covered by another classification (N.O.C.). This classification includes work such as, but not limited to, baggage/cargo handlers, mechanics, fuel handlers, and ticket sellers who also handle baggage.

This classification excludes all members of the flying crew who are to be reported separately in classification 6803 and clerical and ticket sellers with no other duties who may be reported separately in classification 4904.

Applies to establishments engaged as aircraft sales, rental or service agencies. This classification includes work such as, but not limited to, aircraft mechanical work, fueling aircraft, repair of electronic equipment in the airplane and personnel engaged in the sales/rental of aircraft including the routine preparation and maintenance.

This classification excludes in-flight demonstration of aircraft which is to be reported separately in classification 6803.

Applies to all ground crew employees of establishments operating nonscheduled airlines. Ground crew operations include, but are not limited to, all baggage handlers, ticket sellers who handle baggage and maintenance of the aircraft.

This classification excludes members of the flight crew who are to be reported separately in classification 6803 and clerical and ticket sellers with no other duties who may be reported separately in classification 4904.

Applies to establishments engaged in remanufacturing, rebuilding, modifying, converting or repairing aircraft, such as airplanes and helicopters, but that are not the original manufacture of the aircraft. These types of businesses are usually located adjacent to airports. Remanufacturing or rebuilding usually consists of taking a plane apart and replacing parts such as, but not limited to, exterior sheet metal, the frame, engines, windshields, landing gears and remodeling the inside of the aircraft. Modifying or converting an aircraft includes, but is not limited to, installation of conversion kits which convert an aircraft from gas power to turbine power, installation of larger fuel tanks to increase the range of the aircraft, and installation of more efficient engines. This classification includes the fabrication of component parts when performed by an employer subject to this classification, and the assembly of aircraft kits for a customer.

This classification excludes establishments engaged in the original manufacture of the aircraft and establishments engaged in the manufacture of aircraft component parts which are to be reported separately in the applicable classification, and all flight testing of the aircraft which is to be reported separately in classification 6803.