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. |