блок-чартерний рейс
blocked-off passage
blocked operation
Specially Designated Nationals and Blocked Persons List (the)
off-route (off route)
off-design / off design
lift-off / lift off
on-off keying; on/off keying (OOK)
off-airway flight
off-line charter flight
When you enabled 3D mode in your flight controller, make sure the ESCs are also set up for 3D mode, otherwise the motors might go off with full power
flight restriction zone / flight restricted zone (FRZ)
blast-off
commercial off the shelf
company (grade) officers (Co Off)
cooking off
drop-off point (DOP)
dust-off
duty, off duty
fend off enemy's a advance
Fissile Material Cut-Off Treaty (FMCT)
government off-the-shelf (item)
hands off!
high pay-off target / high-payoff target (HPT)
hold off an attack
hold off reinforcement
NATO off-the-shelf
off duty
off target
off-board sensors
off-gauge cargo; out-/ oversized cargo
off-loading
off-road mine