The AP1000 Compass Fluid is the same fluid Airpath uses to fill both civil and military compasses that meet or exceed FAR Part 21, TSC-C7C, AS-398, AS-5604 and MIL-PRF-38214. MIL-DTL-5020D and MIL-L-5020C. The specs for compass fluid were deactivated, but prior to deactivation, Airpath fluid met those specs. According to Airpath, their formulation has not changed.
