Laboratory and flight evaluation of the integrated inertial sensor assembly (IISA)

Two complete sets of the integrated inertial sensor assembly (IISA) have been built, one set for laboratory evaluation and the other for flight test evaluation. The flight test evaluation was performed at Edwards Air Force Base on an F-15 aircraft. The authors provide an overview of the laboratory and flight test evaluations conducted by the Navy and Air Force. It is concluded that the IISA program has shown that it is feasible to use dispersed skewed inertial navigation quality sensors for redundant flight control sensors, navigation, cockpit displays and sensor stabilization. It is further concluded that evaluation has been 100% successful and has proven that the IISA concept is viable as a navigation and flight control reference