Airports / Alaska / BIG
Allen Army Airfield.
Delta Junction Ft Greely, Alaska · 1,291 ft elevation. A private-aviation gateway on the Bravo register.
4.5/5
Google rating
8 ratings
0
Operators based
1,291
Elevation ft
Google rating
Google reviews
Field elevation
Nearest alternate
Field standing
#108 / 225
Alaska airports by Google rating
4.5★ across 8 Google ratings , ranked against 225 rated AK fields.
54 nm
To the nearest alternate
Eielson Air Force Base (EIL).
Overview
Allen Army Airfield (PABI / BIG) is a mid-sized airport serving Delta Junction Ft Greely, Alaska. The field lies at an elevation of 1,291 feet. The field has no airline schedules, which keeps it focused on private and general aviation flying.
BIG has no resident charter fleet; trips here are typically flown by operators repositioning from surrounding airports. Useful alternates include Eielson Air Force Base (EIL, 54 nm), Ladd Army Airfield (FBK, 70 nm), and Fairbanks International Airport (FAI, 74 nm). BIG offers 3 runways, the longest 9,000-foot paved runway, which supports charter types through the VIP airliner class.
Quotes for flights out of BIG vary with aircraft type, repositioning, and schedule flexibility. The airport is also known as Big Delta Army Airfield. Use the cost estimator to model a trip from BIG, or browse verified operators serving the area.
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Field capability
ICAO
PABI
IATA
BIG
FAA / Local
BIG
Elevation
1,291 ft
Coordinates
63.9945° N · 145.7220° W
Airspace
D · DeltaClass D, DeltaA control tower runs the immediate airspace. Pilots establish two-way radio contact before entering, typical for busy business-aviation fields.Source: FAA NASR class airspace
Size
Medium
Scheduled svc
No
Elevation vs AK fields
state range 2–3,318 ft
At 1,291 ft, BIG sits higher than 91% of the 285 Alaska fields on the register.
Runways & aircraft access
3 runways
longest 9,000 ft
- 01/199,000 ft × 150 ftAsphaltUnlit
- 10/286,115 ft × 150 ftAsphaltUnlit
- 07/254,057 ft × 88 ftAsphaltUnlit
Which aircraft can operate here
vs longest paved runway 9,000 ft
BIG's 9,000 ft paved runway typically supports charter aircraft up to VIP airliners.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 54nmEILEielson Air Force BaseFairbanks
- 70nmFBKLadd Army AirfieldFairbanks
- 74nmFAIFairbanks International AirportFairbanks
- 84nmTKJTok Junction AirportTok
- 91nmPACLClear AirportClear
- 93nmENNNenana Municipal AirportNenana
Location
Open the full mapPABI · Allen Army Airfield · Delta Junction Ft Greely, AK
Flight times from here
Approximate nonstop block times from BIG on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Anchorage (ANC) | 206 nm | 53m |
| Seattle (SEA) | 1,255 nm | 3h 19m |
| Jackson Hole (JAC) | 1,703 nm | 4h 22m |
| San Francisco (SFO) | 1,791 nm | 4h 34m |
| Salt Lake City (SLC) | 1,821 nm | 4h 38m |
| Vail / Eagle (EGE) | 1,995 nm | 5h 2m |
| Las Vegas (LAS) | 2,008 nm | 5h 4m |
| Aspen (ASE) | 2,018 nm | 5h 6m |
Common questions
- What size private jets can use BIG?
- Allen Army Airfield's longest paved runway is 9,000 ft, which typically supports charter aircraft up to VIP airliners. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at BIG?
- Allen Army Airfield has 3 runways; the longest measures 9,000 ft on a paved surface.
- What is the nearest major airport to BIG?
- The closest alternate is Eielson Air Force Base (EIL), about 54 nm away, followed by Ladd Army Airfield (FBK) at 70 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from BIG to major cities?
- Typical block times on a midsize jet: Anchorage about 53m (206 nm), Seattle about 3h 19m (1,255 nm), Jackson Hole about 4h 22m (1,703 nm). Faster classes trim these times; add positioning and taxi for the real schedule.