Navigation & Radio at Allen Army Airfield

US

BIG / PABI
Radio Frequencies
20
Navigation Aids
4

Radio Frequencies

ASOS 135.650 MHz
ASOS
ID: 60589 Ref: 5339
ASOS 135.650 MHz
ASOS
ID: 60589 Ref: 5339
ATIS 132.075 MHz
ATIS
ID: 60590 Ref: 5339
ATIS 132.075 MHz
ATIS
ID: 60590 Ref: 5339
AWOS 114.900 MHz
TWEB
ID: 60591 Ref: 5339
AWOS 114.900 MHz
TWEB
ID: 60591 Ref: 5339
CNTR 135.300 MHz
ANCHORAGE CNTR
ID: 60592 Ref: 5339
CNTR 135.300 MHz
ANCHORAGE CNTR
ID: 60592 Ref: 5339
CTAF 122.900 MHz
CTAF
ID: 60593 Ref: 5339
CTAF 122.900 MHz
CTAF
ID: 60593 Ref: 5339
FSS 122.200 MHz
FAIRBANKS RDO
ID: 60594 Ref: 5339
FSS 122.200 MHz
FAIRBANKS RDO
ID: 60594 Ref: 5339
GND 118.225 MHz
FORT GREELY GND
ID: 60595 Ref: 5339
GND 118.225 MHz
FORT GREELY GND
ID: 60595 Ref: 5339
MISC 38.300 MHz
FT GREELY RANGE CON
ID: 60596 Ref: 5339
MISC 38.300 MHz
FT GREELY RANGE CON
ID: 60596 Ref: 5339
OPS 122.900 MHz
BASE OPS
ID: 60597 Ref: 5339
OPS 122.900 MHz
BASE OPS
ID: 60597 Ref: 5339
TWR 125.325 MHz
TWR
ID: 60598 Ref: 5339
TWR 125.325 MHz
TWR
ID: 60598 Ref: 5339

Navigation Aids

BIG VORTAC
114.900 MHz

Big Delta

Location

Latitude: 64.004402°
Longitude: -145.716995°
Elevation: 1230 ft

Additional Info

Usage: BOTH
Power: HIGH
Mag Var: 22.559°

DME Information

Channel: 096X
Frequency: 114.900 MHz
ID: 86048
BIG VORTAC
114.900 MHz

Big Delta

Location

Latitude: 64.004402°
Longitude: -145.716995°
Elevation: 1230 ft

Additional Info

Usage: BOTH
Power: HIGH
Mag Var: 22.559°

DME Information

Channel: 096X
Frequency: 114.900 MHz
ID: 86048
DJN NDB
0.347 MHz

Delta Junction

Location

Latitude: 64.023499°
Longitude: -145.686996°
Elevation: N/A ft

Additional Info

Usage: LO
Power: MEDIUM
Mag Var: 22.572°
ID: 87397
DJN NDB
0.347 MHz

Delta Junction

Location

Latitude: 64.023499°
Longitude: -145.686996°
Elevation: N/A ft

Additional Info

Usage: LO
Power: MEDIUM
Mag Var: 22.572°
ID: 87397

Understanding Airport Navigation & Radio Communications

Radio Frequencies in Aviation

Radio frequencies are essential for communication between aircraft, air traffic control, and ground services. Here are the common types:

Common Frequency Types

  • ATIS (Automatic Terminal Information Service): Continuous broadcast of airport conditions
  • Ground: Communication with ground control for taxi instructions
  • Tower: Communication with air traffic control tower
  • Approach/Departure: Handling arriving and departing aircraft
  • UNICOM/CTAF: Used at airports without control towers

Frequency Ranges

  • VHF Band: 118.000 - 136.975 MHz
  • Emergency: 121.5 MHz (International emergency frequency)
  • Ground Control: Usually 121.6 - 121.9 MHz
  • ATIS: Usually 108 - 118 MHz
  • UNICOM: Typically 122.8 MHz (uncontrolled airports)

Navigation Aids (Navaids)

Navigation aids are electronic systems that help pilots determine their position and navigate safely. Here are the main types:

Types of Navaids

  • VOR (VHF Omnidirectional Range): Provides bearing information to aircraft
  • DME (Distance Measuring Equipment): Gives slant-range distance to the station
  • NDB (Non-Directional Beacon): Simple radio beacon for basic navigation
  • TACAN (Tactical Air Navigation): Military version of VOR/DME
  • VORTAC: Combined VOR and TACAN facility

Usage Types & Power Levels

  • HI: High altitude navigation
  • LO: Low altitude navigation
  • TERM: Terminal area navigation
  • Power Levels: HIGH, MEDIUM, LOW (affects range)
  • RNAV: Area navigation capability

Important Notes

  • Always verify frequencies and navaid status in current aviation publications
  • Magnetic variation changes over time and should be considered when using navaids
  • Some navaids may be out of service or have limited hours of operation
  • DME distances are slant-range and may differ from actual ground distance