CID A-A-59312D covers the requirements for the Flight Line Tow
Tractor (FLTT), hereafter referred to as FLTT. The FLTT is based on a commercial truck
chassis, also known as a chassis cab, which is modified for use as a FLTT in worldwide service.
The FLTT is capable of towing trailers weighing up to 40,000 pounds, and military aircraft
weighing up to 70,000 pounds on grades up to 2.5% on U.S. Air Force installations.