RAF Flight Watch Support
A part of the UK DHFCS TASCOMM HF network,
TASCOMM uses two 24 hour manned operations center at DHFCS Forest Moor and DHFCS Kinloss.
United Kingdom (TASCOMM)
Voice Call Sign: ARCHITECT
Frequency: 4742.0 5702.0 9031.0 11247.0 13257.0 18018.0 (USB) kHz.
Long range HF communications Flight Watch for RAF/Naval aircraft from 24 hour manned operations center at DHFCS Forest Moor and DHFCS Kinloss.
Ascension
Voice Call Sign: HAVEN
Frequency: 4742.0 9031.0 11247.0
Cyprus
Voice Call Sign: CYPRUS
Frequency: 4742.0 (a)
Mount Pleasant (MPA)
Voice Call Sign: VIPER
Frequency: 4742.0 (b) 11247.0 (b)
Notes:
(a) H+15 weather broadcasts, when active.
(b) H+35 weather broadcasts when active.
(c) Aircraft not fitted with ALE scroll through these guard frequencies above in order to select the best reception. Transmissions are made at 15 sec intervals before changing to the next guard frequency.