C-5 Fuel Cell Maintenance Hangar

High-bay fuel cell maintenance hangar provides crucial care for one of the world’s biggest aircraft.

As one of the largest planes in the U.S. military, the C-5 Galaxy has been drafted for every type of military and humanitarian mission one can imagine, including the Space Shuttle program. When this aircraft in turn needed a higher level of care, members of the military entrusted our team to design and construct a Fuel Cell Maintenance Hangar at the C-5’s home, Wright-Patterson Air Force Base.

The resulting facility is a tail-out, high-bay fuel cell maintenance hangar which includes adjacent spaces for administrative and supervisory functions, along with a tool room and space to house mechanical, electrical and fire protection equipment.

A high-expansion foam fire protection system, OSHA-compliant fuel ventilation systems, secure communications and antiterrorism/force protection features were included in the facility, which was designed to LEED standards.

FSB also performed site clearing and demolition, plus earthwork/grading for the site, while designing and constructing an aircraft apron, potable and fire protection water sources, asphalt shoulders and roadways, pavement markings, parking areas, sidewalks, storm drainage, sanitary sewers, pavement markings and security fences.


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Wright-Patterson Air Force Base, OH


U.S. Army Corps of Engineers, Louisville District | U.S. Air Force Mobility Command


32,974 SF


“FSB has demonstrated that they know what they are doing for hangars. I have not had a chance to work with them on any other project, but if they bring the same level of performance to other projects that they have brought to this one, then they will serve the customer well.”

Gary Stevens, USACE, Louisville District
truss span
cubic feet per minute discharge rate of high-expansion foam
of-a-kind fuel tank purge system with +/- 1% relative humidity (RH)