on-board spares

logistic spares

procurement of spares

machine spares

on-hand spares

spare parts / spares

spares / spare parts

on-board digital computer / on-board computer

Warning beeps when board is armed with motors off when idle (repeats until board is disarmed or throttle is increased)

across-the-board

board instrument

board of officers

Defense Board

Defense Science Board (DSB)

display board

draft board

functional capability board (FCB)

information operations coordination board (IOCB)

joint coordination board (JCB)

joint coordination board working group (JCBWG)

joint targeting coordination board (JTCB)

Logistics Coordination Board (LCB) (NATO)

Military Committee Joint Standardization Board (NATO)

motion imagery standards board (MISB)

off-board sensors

on-board ammunition supply

on-board radar sight

on-board sensor

passenger on board (POB)

physical evaluation board

Research and Technology Board (RTB)

route card board

shoulder board