Verb
offboard (third-person singular simple present offboards, present participle offboarding, simple past and past participle offboarded)
To alight, especially from public transit or an aircraft.
By 2012, the total estimated lines of code for the entire program (onboard and offboard) had grown from the previous year's estimate of 8 million lines to 24 million lines. Source: Internet
However, when the lock is obtained offboard of the TPF processor in the DASD control unit, an external process must be used. Source: Internet