Airports / Alaska / UMM
Summit Airport.
Cantwell, Alaska · 2,409 ft elevation. A private-aviation gateway on the Bravo register.
5.0/5
Google rating
1 rating
0
Operators based
2,409
Elevation ft
Google rating
Google reviews
Field elevation
Nearest alternate
Field standing
58 nm
To the nearest alternate
Clear Airport (PACL).
Overview
Located in Cantwell, Alaska, Summit Airport (PAST / UMM) operates as a general aviation field. The airport sits 2,409 feet above sea level. With no scheduled airline service, it caters to private, charter, and general aviation traffic.
No charter operator is headquartered on the field, but operators routinely position aircraft into UMM for departures. When weather or ramp space demands it, nearby options are Clear Airport (PACL, 58 nm), Talkeetna Airport (TKA, 66 nm), and Nenana Municipal Airport (ENN, 73 nm). With a single 3,814-foot unpaved runway, UMM can typically accommodate aircraft as large as turboprops.
Charter pricing from UMM depends on aircraft category, positioning distance, and trip timing. Compare rated operators or run a route through the cost estimator to gauge pricing from Cantwell.
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Field capability
ICAO
PAST
IATA
UMM
FAA / Local
UMM
Elevation
2,409 ft
Coordinates
63.3315° N · 149.1270° W
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Small
Scheduled svc
No
Elevation vs AK fields
state range 2–3,318 ft
At 2,409 ft, UMM sits higher than 98% of the 285 Alaska fields on the register.
Runways & aircraft access
1 runway
longest 3,814 ft
- 03/213,814 ft × 80 ftGravelUnlit
Which aircraft can operate here
vs longest runway 3,814 ft
UMM's 3,814 ft runway typically supports charter aircraft up to turboprops.
- 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.
- 58nmPACLClear AirportClear
- 66nmTKATalkeetna AirportTalkeetna
- 73nmENNNenana Municipal AirportNenana
- 91nmLMAMinchumina AirportMinchumina
- 95nmFAIFairbanks International AirportFairbanks
- 96nmEILEielson Air Force BaseFairbanks
Location
Open the full mapPAST · Summit Airport · Cantwell, AK
Flight times from here
Approximate nonstop block times from UMM on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Anchorage (ANC) | 131 nm | 42m |
| Seattle (SEA) | 1,302 nm | 3h 26m |
| Jackson Hole (JAC) | 1,766 nm | 4h 30m |
| San Francisco (SFO) | 1,822 nm | 4h 38m |
| Salt Lake City (SLC) | 1,878 nm | 4h 46m |
| Las Vegas (LAS) | 2,053 nm | 5h 10m |
| Vail / Eagle (EGE) | 2,059 nm | 5h 11m |
| Aspen (ASE) | 2,082 nm | 5h 15m |
Common questions
- What size private jets can use UMM?
- Summit Airport's longest runway is 3,814 ft, which typically supports charter aircraft up to turboprops. 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 UMM?
- Summit Airport has one runway; the longest measures 3,814 ft.
- What is the nearest major airport to UMM?
- The closest alternate is Clear Airport (PACL), about 58 nm away, followed by Talkeetna Airport (TKA) at 66 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from UMM to major cities?
- Typical block times on a midsize jet: Seattle about 3h 26m (1,302 nm), Jackson Hole about 4h 30m (1,766 nm), San Francisco about 4h 38m (1,822 nm). Faster classes trim these times; add positioning and taxi for the real schedule.