Class Code |
Description |
AB |
Automatic Weather Broadcast |
DME |
UHF standard (TACAN compatible) Distance Measuring Equipment |
DME(Y) |
UHF standard (TACAN compatible) Distance Measuring Equipment that required receivers to be placed in the 'Y' mode to receive DME |
H |
Non-Directional Radio Beacon (NDB), (Homing), power 50 watts to less than 2000 watts (50nm at all altitudes). |
HH |
Non-Directional Radio Beacon (NDB), (Homing), power 2000 watts or more (75nm at all altitudes). |
H-SAB |
Non-Directional Radio Beacom (NDB) providing automatic transcribed weather service. |
LMM |
Compass Locator Station when installed at middle marker site (15nm at all altitudes). |
LOM |
Compass Locator Station when installed at outer marker site (15nm at all altitudes). |
MH |
Non-Directional Radio Beacon (NDB), (Homing), Power less than 50 watts (25nm at all altitudes). |
S |
Simultaneous range homing singal and/or voice. |
SABH |
Non-Directional Radio Beacon (NDB) NOT authorized for IFR or ATC. provides automatic weather broadcasts. |
TACAN |
UHF navigational facility-Omnidirectional Course and Distance information. |
VOR |
VHF navigational facility-Omnidirectional Course only. |
VOR/DME |
Collocated VOR navigational facility and UHF standard Distance Measuring Equipment. |
VORTAC |
Collocated VOR and TACAN navigational facilities. |
W |
Without voice on radio facility frequency. |
Z |
VHF station location marker at a radio facility. |