1Acknowledge
let me know that you have recieved and understood my messege
2Advise intentions
tell me what you plan to do
4blocked
used to indicate that a radio transmission has been distorted or interrupted due to multiple simultaneous radio transmissions
5correction
an error has been made in the transmission and the correct version follows
6expedite
used by atc to prompt compliance and to avoid the development of a imminent situation
7go ahead
proceed with your messege
8how do you read me?
a question relating to the quality of the transmission or to determine how well the transmission is being recieved
9immediatily
used by atc when complaince with an action is required to avoid an imminent situation
10I say again
the messege will be repeated
11negative
''no'' or ''permission not granted'' or ''that is not correct''.
12over
my tranmission ended and I expect a response
13out
the converstaion is ended and no reponse is expected
14read back
repeat my messege back to me
15report
used to instruct pilots to advise atc of specified information
16roger
I have received all of your last transmission. It should not be used to answer a question requiring a “yes” or “no” answer.
17say again
used to request a repeat of the last transmission
18speak slower
request to reduce speech rate
19squawk
activate specific modes/codes/functions on the aircraft transponder
20stand-by
- means that the controller or pilot must pause for a few seconds usually to attend to other duties of higher priority
- could also mean ''wait'' or ''stand by for clearance'' if a delay is lengthy the caller should reestablish contact
21That is correct
varifies that something is right
22unable
indicates the inability to comply with a speific set of instructions, request, or clearance
23verify
request confirmation of information
24wilco
i have recieved your messege, understand it, and will comply with it
25transponder
This term describes the airborne radar beacon receiver/transmitter portion of the Air Traffic Control Radar Beacon System (ATCRBS) which automatically receives radio signals from interrogators on the ground, and selectively replies with a specific reply pulse or pulse group only to those interrogations being received on the mode to which it is set to respond.
26helicopter
This term describes a heavier-than-air aircraft supported in flight chiefly by the reactions of the air on one or more power-driven rotors on substantially vertical axes.
27altitude
This term used in aviation describes the height of an aircraft measured in feet Above Ground Level (AGL) or Mean Sea Level (MSL).