Navigation & Radio at Sitka Rocky Gutierrez Airport
US
SIT
/
PASI
Radio Frequencies
14
Navigation Aids
6
Radio Frequencies
ATIS
135.900 MHz
ATIS
ID: 70913
Ref: 5408
ATIS
135.900 MHz
ATIS
ID: 70913
Ref: 5408
CNTR
126.100 MHz
ANCHORAGE CNTR
ID: 70914
Ref: 5408
CNTR
126.100 MHz
ANCHORAGE CNTR
ID: 70914
Ref: 5408
CTAF
123.600 MHz
CTAF
ID: 70915
Ref: 5408
CTAF
123.600 MHz
CTAF
ID: 70915
Ref: 5408
FSS
123.600 MHz
RDO
ID: 70916
Ref: 5408
FSS
123.600 MHz
RDO
ID: 70916
Ref: 5408
MISC
113.800 MHz
TWEB
ID: 70917
Ref: 5408
MISC
113.800 MHz
TWEB
ID: 70917
Ref: 5408
OPS
34.500 MHz
SITKA AIR
ID: 70918
Ref: 5408
OPS
34.500 MHz
SITKA AIR
ID: 70918
Ref: 5408
UNIC
122.950 MHz
UNICOM
ID: 70919
Ref: 5408
UNIC
122.950 MHz
UNICOM
ID: 70919
Ref: 5408
Navigation Aids
BKA
VORTAC
113.800 MHz
Biorka Island
Location
Latitude:
56.859402°
Longitude:
-135.550995°
Elevation:
240 ft
Additional Info
Usage:
BOTH
Power:
HIGH
Mag Var:
22.092°
DME Information
Channel:
085X
Frequency:
113.800 MHz
ID: 86095
BKA
VORTAC
113.800 MHz
Biorka Island
Location
Latitude:
56.859402°
Longitude:
-135.550995°
Elevation:
240 ft
Additional Info
Usage:
BOTH
Power:
HIGH
Mag Var:
22.092°
DME Information
Channel:
085X
Frequency:
113.800 MHz
ID: 86095
IME
NDB
0.414 MHz
Mount Edgecumbe
Location
Latitude:
57.047298°
Longitude:
-135.365997°
Elevation:
18 ft
Additional Info
Usage:
LO
Power:
LOW
Mag Var:
22.153°
ID: 89249
IME
NDB
0.414 MHz
Mount Edgecumbe
Location
Latitude:
57.047298°
Longitude:
-135.365997°
Elevation:
18 ft
Additional Info
Usage:
LO
Power:
LOW
Mag Var:
22.153°
ID: 89249
SIT
NDB
0.358 MHz
Sitka
Location
Latitude:
56.854599°
Longitude:
-135.533997°
Elevation:
N/A ft
Additional Info
Usage:
BOTH
Power:
MEDIUM
Mag Var:
22.092°
ID: 93636
SIT
NDB
0.358 MHz
Sitka
Location
Latitude:
56.854599°
Longitude:
-135.533997°
Elevation:
N/A ft
Additional Info
Usage:
BOTH
Power:
MEDIUM
Mag Var:
22.092°
ID: 93636
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