Comm 7-8: VHF and UHF Comms equipment and procedure

Question 1

VHF King KTR-908 Radio

Answer 1

Components
2 VHF CDU in the cockpit
2 Receiver/Transmitters Primary avionics rack
VHF/UHF antenna for #1 system Top of AC
VHF antenna for #2 system bottom of AC
specs
Amplitude modulation
Freq range: 118.000 to 151.975MHz
Spacing of channels: 25kHz
Not affected by weather
9 preset channels
Line of Sight

Question 2

UHF AN/ARC-164 Radio

Answer 2

Components
2 transceivers in the cockpit
1 control head-co-located with transceivers
2 antennas
Specs
Amplitude modulation
Freq range: 225.000 to 399.975MHz
Spacing of channels: 25kHz
Not affected by weather
20 preset channels
Line of Sight

Question 3

Clearances
Flight plan clearance
Taxi clearance
Arrival clearance
Take-off/Landing

Answer 3

CLR Del
Ground Control
Arrival control
Control tower

Question 4

Requesting Weather

Answer 4

FSS – for Wx at remote a/d

FISE via RCO/DRCO – for en route Wx