Only arm after successfull EDT handshake

after-action review / after action review (AAR)

electronic data transfer / electronic data transmission ( EDT)

For Official Use Only (FOUO)

eyes only

night only computer generated image

FEDCON (Federal Employees and Contractors only)

double-action only

once-only approach

admittance by authorized credentials only

interact with character mode files only

Core Only

electrically erasable programmable read-only memory (EEPROM)

Failsafe only

Hexadecimal digits only, 0-9, A-F

Only flash firmware if you are fully aware what you are doing.

Only MULTI mode currently supported

Return altitude (meters) - only applies in Fixed Altitude mode

RP (increment only)

RPY (increment only)

Heading are only shown when magnetometer is in use

This sets if the TX only beeps one-time versus playing a startup song

Only use to compensate for really bad tunes

after body

after body fairing

all after …

word after…

volunteer reconnaissance and assault brigade named after the Holy Prince Alexander Nevsky (Nevsky Squad)

after-burning

assembly formation after an alarm

supervision after labour precaution

functional check flight (after repair)

lock-on after launch (LOAL)