BNAOBulgarian National Audit Office
BNAOBasic Naval Aviation Officers School (US Navy)
BNAOBrackets Not And Or (Boolean algebra order of operations)
BNAOBulgarian National Astronomical Observatory
References in periodicals archive ?
After a thorough audit of the projects concerning renovation, reconstruction and prevention of areas at risk of floods and other natural disasters, BNAO stated that those projects have undergone severe delays.
The BNAO became a full-fledged flight school when it received its first aircraft in 1962, operating the UC-45J Navigator and the T-2A Buckeye, which was soon replaced by the T-1A Sea Star.