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NAVAID INFORMATION AS PUBLISHED ON 16 AUGUST 2018


HLN
HELENA VORTAC
HELENA, MT

Location

   Lat/Long: 46-36-24.557N / 111-57-12.511W   (46.6068214/-111.9534753)
  Elevation: 3826.2 ft.
  Variation: 16E (1990)

Operational Characteristics

                          Type: VORTAC 
                         Class: H-VORTACW 
                     Frequency: 117.70 
                 TACAN channel: 124X 
                 Altitude code: H (high) 
            Hours of operation: 24 
                      Voice ID: no 
                      Morse ID: .... .-.. -. 
                NOTAM facility: HLN 
                           FSS: 
        FSS hours of operation: 24 

Technical Characteristics

                      Accuracy: NOS 
                    Monitoring: Internal monitoring plus status indicator
                                at control point 
                         Owner: FEDERAL AVIATION ADMIN 
                      Operator: FEDERAL AVIATION ADMIN 
           Common system usage: yes 
                For public use: yes 

Remarks

  1. VOR PORTION UNUSBL 035-050 BYD 35 NM BLO 12000 FT; 105-165 BYD 25 NM BLO 17000 FT; 165-185 BYD 25 NM BLO 13500 FT; 203-213 BYD 22 NM BLO 13000 FT; 185-230 BYD 25 NM BLO 17500 FT; 230-270 BYD 25 NM BLO 12500 FT
  2. TACAN AZIMUTH & DME UNUSBL 035-070 BYD 35 NM BLO 13000 FT; 165-185 BYD 25 NM BLO 13500 FT; 250-300 BYD 25 NM BLO 14000 FT; 320-035 BYD 25 NM BLO 13000 FT.
  3. TACAN DME UNUSBL 035-070 BYD 35 NM BLO 13,000 FT; 105-210 BYD 15 NM BLO 11100 FT; 105-210 BYD 20 NM BLO 12000 FT; 105-150 BYD 25 NM ALL ALTS; 150-165 BYD 25 NM BLO 17000 FT; 165-185 BYD 25 NM BLO 13,500 FT; 185-210 BYD 25 NM ALL ALTS; 203-213 BYD 22 NM BLO 13000 FT; 210-250 BYD 15 NM BLO 12000 FT; 210-250 BYD 25 NM BLO 17500 FT; 250-300 BYD 25 NM BLO 14,000 FT; 320-035 BYD 25 NM BLO 13,000 FT.
  4. TACAN AZIMUTH UNUSBL 105-150 BYD 15 NM; 150-165 BYD 15 NM BLO 17000 FT; 185-210 BYD 15 NM; 210-250 BYD 15 NM BLO 17500 FT.

 
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