Radio Jargon & Standard Phraseology
ATC and cockpit standard communication procedures and NATO phonetics.
WILCO
Indicates that transmission is understood and will be complied with.
ROGER
Confirms that the entire transmission has been received correctly.
LINE UP & WAIT
Instruction to enter the runway and hold in position.
CLEARED
ATC authorization for takeoff, landing, or approach.
HOLD / HOLDING
Instruction to maintain current position, altitude, or heading.
SAY AGAIN
Request to repeat the last radio transmission.
UNABLE
Indicates that an instruction cannot be safely executed.
MAYDAY
Distress signal indicating imminent and serious danger.
PAN PAN
Urgency signal concerning the safety of aircraft or life.
NATO Phonetic Alphabet
International coding standard used for registrations and coordinates.
AAlpha
BBravo
CCharlie
DDelta
EEcho
FFoxtrot
GGolf
HHotel
IIndia
JJuliett
KKilo
LLima
MMike
NNovember
OOscar
PPapa
QQuebec
RRomeo
SSierra
TTango
UUniform
VVictor
WWhiskey
XX-ray
YYankee
ZZulu