Facilities expanded several times to meet Fairchild's requirements – the lengthening of Runway 13/31 to nearly for military jets was a direct result of such needs. Fairchild also operated a Non-Federal Air Traffic Control Tower in the former Navy control tower on a periodic basis. In 1966, a terminal building and additional hangars were built, while fixed-base operations (FBO) were established and additional land acquired. In 1967, Ernie Moser incorporated Aero Sport as the airport's FBO and operated it along with his wife, Mary Alice, and son Jim. Ernie was a real character who gained fame by landing a Piper Cub on the "World's Shortest Runway" a wooden platform on top of a Chevrolet van. His son Jim also became known for his flying of his prized aircraft, a Bücker Bü 133 "Jungmeister". The Moser family quickly became the soul of the St. Augustine Airport and was center to any aviation activity. In January 2006, Diane Moser, the late Jim Moser's wife, sold the business to the Galaxy Aviation chain of FBOs, bringing to an end the Moser era. In 1976, Fairchild Industries announced that it would close down its St. Augustine operations. An industrial park was later created at the Fairchild facilities, and in 1980 the industrial park was sold to the then-Grumman Corporation (now known as Northrop Grumman) for an aircraft modification plant that would ultimately service numerous front-line U.S. Navy and U.S. Marine Corps aircraft, to include the A-6 Intruder, EA-6B Prowler, C-1 Trader, C-2 Greyhound, E-2 Hawkeye and F-14 Tomcat. Grumman assumed responsibility for operating the air traffic control tower as required, maintaining emergency runway arresting gear systems for naval aircraft, and providing aircraft rescue and fire fighting capability (ARFF) for the airport. The Naval Air Systems Command also established Naval Plant Representative Office (NAVPRO) St. Augustine on site. In 1986, in accordance with the Federal Aviation Regulations (FAR), the airport was awarded an FAR Part 139 operating certification by the Federal Aviation Administration (FAA), enabling the airport to operate scheduled and charter airline aircraft carrying more than 35 passengers. This certification process increased airport safety and made the airport eligible for Federal grant money under the FAA's Airport Improvement Program (AIP). The airport was designated a "Reliever Airport" for general aviation overflow from Jacksonville International Airport.