page_title: 4950th Test Wing
section_title: Subordinate units
hierarchical_section_title: 4950th Test Wing / Subordinate units
caption_attribution_description: English: The Apollo/Range Instrumentation Aircraft (ARIA) Central Timing Station
context_page_description: The 4950th Test Wing, a wing of the United States Air Force, was established in March 1971.
  It was created as the flying unit of the Wright Air Development Center, which was created in June 1951. Wright ADC changed to Division status in December 1959 until it was replaced by the Aeronautical Systems Division in April 1961. The 4951st, 4952d and 4953d Test Squadrons were activated in July 1975 and based at the West Ramp of Wright-Patterson Air Force Base, Ohio.
  ASD is responsible for the design, development and acquisition of aeronautical systems including transports, tankers and utility aircraft, rescue helicopters, long- and short-range air-to-surface missiles, aircraft engines and electronic warfare systems. In addition, the wing supported programs conducted by other AFMC departments. The majority of AFMC's large transport aircraft were assigned to the 4950th Test Wing and were loaned to other agencies as required. The 4950th Test Wing operated a variety of testbed C-135s, many of which have featured major modifications. The wing was consolidated with the AFMC Flight Test Center's 412th Test Wing at Edwards AFB, CA and inactivated in 1994.
context_section_description: 4950th Avionics Maintenance Squadron (July 1975 – March 1992): The 4950th Avionics Maintenance Squadron (AMS) was located in Building 4042, of Wright-Patterson Air Force Base. Personnel assigned to the squadron were responsible for the maintenance of the Prime Mission Electronic Equipment (PMEE) systems aboard the U.S. Air Force's fleet of Apollo/Advanced Range Instrumentation Aircraft. The squadron was part of the 4950th Test Wing, until the Wing moved to Edwards Air Force Base, in the 1990s.
  4950th Field Maintenance Squadron (1975–1990): The 4950th Field Maintenance Squadron (FMS) was located in Building 13 of Wright-Patterson Air Force Base. Personnel assigned to the squadron were responsible for the shop and flightline level maintenance of specific aircraft systems. This included Engine Shop, Hydraulic Shop, Electric Shop, Sheet Metal Shop, Machine Shop and APU Shop. Aerospace Ground Equipment (AGE) and Engine Flightline Dispatch Shop were located on the West Ramp and the Engine Test Cell was located across from Building 13 in Area "C". The 4950th FMS was absorbed into the 4950th Organizational Maintenance Squadron in 1990 when the Wing reorganized its maintenance units under "Rivet Workforce".
  The 4950th Organizational Maintenance Squadron was located in building 4022, also known as "Dock 2".  Personnel assigned to the squadron were responsible for flight line maintenance including ground handling, refueling/defueling, launch and recovery, on-equipment maintenance, and inspections such as pre/post-flight and thru-flight inspections.  The OMS consisted of large aircraft, small-aircraft, inspection, and support branches.  OMS owned and operated buildings 4022 (command section, maintenance supervision, inspection branch, TO library, tool crib), 4026 (Aero-Repair hangar), 4024 (wash rack) and 4028 ("Dock 1" and the large aircraft branch).
  Section updated by Major Tony Sylvain, Maj, USAF (Ret), 4950th OMS, 11 Jun 84 to 21 Jan 92.
  4951st Test Squadron (July 1975–????)
  4952d Test Squadron (July 1975 – 1994)
  4953d Test Squadron (July 1975 – 1994)
caption: The ARIA Central Timing Station
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