Comms Flashcards
VHF frequency range
30 - 300Mhz
Airband is
108.0 - 137.0Mhz
Nav uses
108 - 117.975Mhz
Voice comms use
118 - 137Mhz
MTR
1.23 x (root receiver + root transmitter)
In Europe 8.33 is required above
FL195
If not 8.33 equipped us phrase
‘Negative eight point three three’
Exceptions to single digits
FL100, 200 etc
Transponder codes 7000, 2000 etc
QNH 1000
Time checks
Are to the nearest half a minute
‘Approach’ approach control is
Not necessarily with
‘Arrival’ approach controal radar arrivals is
Always with radar
Phraseology to cancel takeoff before AC starts to move
ATC ‘cancel takeoff
Pilot ‘holding’
Phraseology to cancel takeoff after AC starts to move or has TO power set
ATC ‘stop immediately’
Pilot ‘stopping’
Types of service inside controlled airspace
Flight information service
Alerting service
Radar control service
Types of service inside controlled airspace
Flight information service
Radar information service
Radar advisory service
0.4 and above
Good 5
0.39 to 0.36
Medium to good 4
0.35 to 0.3
Medium 3
0.29 to 0.26
Poor to medium 2
0.25 and below
Poor 1
CAVOK is
10km or more
No cloud below 5000ft or MSA
No CB or TCU
No Significant weather
Responses to traffic
Looking out
Negative contact
Traffic in sight
Position reports
IPTANE
Identification Position Time Altitude Next position and time Ensuing points
4 - 6 may be omitted when prescribed by regional air navigation orders
Special air reports
IPTAM
Identification Position Time Altitude Meteorological info