Reference only — not for real-world navigation.
PABI
Allen Army Airfield · Delta Junction Ft Greely
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,291 ft / 393 m
Transition Altitude
18,000 ft
Primary Channel
TWR 125.33 MHz (TWR)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
01/19 · 9,000 ft · ASPH-GUNLIT10/28 · 6,115 ft · ASPH-GUNLIT07/25 · 4,679 ft · ASPH-GUNLITFlight Planning
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Welcome to the technical flight briefing for Allen Army Airfield (PABI), located in Delta Junction Ft Greely, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 3 active runways with a maximum elevation of 1,291 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Allen Army Airfield
ICAO / IATA
PABI / BIG
Municipality
Delta Junction Ft Greely
Country
Region
US-AK — Alaska
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,291 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 01 / 19
UNLIT
Runway Length: 9,000 ft / 2,743 m
Runway Width: 150 ft / 46 m
Surface Type: ASPH-G
Heading: 30° / 210°
Runway Width: 150 ft / 46 m
Surface Type: ASPH-G
Heading: 30° / 210°
RWY 01 (30°)
No ILS / Visual Only
RWY 19 (210°)
No ILS / Visual Only
Runway 10 / 28
UNLIT
Runway Length: 6,115 ft / 1,864 m
Runway Width: 150 ft / 46 m
Surface Type: ASPH-G
Heading: 125° / 305°
Runway Width: 150 ft / 46 m
Surface Type: ASPH-G
Heading: 125° / 305°
RWY 10 (125°)
No ILS / Visual Only
RWY 28 (305°)
No ILS / Visual Only
Runway 07 / 25
UNLIT
Runway Length: 4,679 ft / 1,426 m
Runway Width: 164 ft / 50 m
Surface Type: ASPH-G
Heading: 92° / 272°
Runway Width: 164 ft / 50 m
Surface Type: ASPH-G
Heading: 92° / 272°
RWY 07 (92°)
No ILS / Visual Only
RWY 25 (272°)
No ILS / Visual Only
ASOS ASOS
135.65 MHz
ATIS ATIS
132.07 MHz
AWOS TWEB
114.90 MHz
CNTR ANCHORAGE CNTR
135.30 MHz
CTAF CTAF
122.90 MHz
FSS FAIRBANKS RDO
122.20 MHz
GND FORT GREELY GND
118.22 MHz
MISC FT GREELY RANGE CON
38.30 MHz
OPS BASE OPS
122.90 MHz
TWR TWR
125.33 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026