Dauntless Aviation
Navaids North America United States Montana
CVP

CAPITOL NDB

HELENA, MT, USA

Location
Lat/Long: 46-36-24.045N / 111-56-13.783W
167784.045N / 402973.783W
Elevation: ft.
Variation: 16E (1990)

Operational Characteristics
Type: NDB
Class: HW   [about]
Frequency: 335
Hours of operation: 24
Voice: no
Station call name: NONE
NOTAM facility: HLN
FSS: GTF
FSS hours of operation: 24

Technical Characteristics
Accuracy: NOS
Owner: FEDERAL AVIATION ADMIN
Operator: FEDERAL AVIATION ADMIN
Common system usage: yes
For public use: yes

NDB Service Volumes
Class Distance (Radius)
Compass Locator 15 NM
MH 25 NM
H 50 NM*
HH 75 NM
* Service ranges of individual facilities may be less than 50 nautical miles (NM). Restrictions to service volumes are first published as a Notice to Airmen and then with the alphabetical listing of the NAVAID in the A/FD.

Remarks
  • NDB UNMONTRD WHEN ATCT CLSD.

Holding Patterns Associated with this NAVAID
CAPITOL NDB*MT     

NAVAID Class Designator Explanation
The NAVAID Class Designator may be comprised of an altitude code (VOR, VORTAC, VOR/DME, AND TACAN Facilities only), and/or a combination of class codes.

Altitude Code Altitude Description
H High
L Low
T Terminal
Examples: H-ABVORTAC, L-VOR, H, HH, MH-SAB, MHW/LOM, H-SAB/LOM
Note: Multiple class code types may be seperated by a / (slant) or a - (dash).
Canadian Facilities Canadian facilities may use additional codes not listed here.

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.

Safelog
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