Airports / Alaska / DIO
Diomede Heliport.
Diomede, Alaska · 20 ft elevation. A private-aviation gateway on the Bravo register.
DM2
IATA DIO
0
Operators based
20
Elevation ft
Field elevation
Nearest alternate
Field standing
23 nm
To the nearest alternate
Wales Airport (WAA), 2 fields within 50 nm.
Overview
Diomede Heliport, listed as DIO, is a heliport in Diomede, Alaska. The field lies at an elevation of 20 feet. The airport supports scheduled airline service as well as private jet and charter movements.
DIO has no resident charter fleet; trips here are typically flown by operators repositioning from surrounding airports. Useful alternates include Wales Airport (WAA, 23 nm), Tin City Long Range Radar Station Airport (TNC, 28 nm), and Port Clarence Coast Guard Station (KPC, 60 nm). At 64-foot, the runway favors turboprops and light general aviation over jet operations.
Quotes for flights out of DIO vary with aircraft type, repositioning, and schedule flexibility. Use the cost estimator to model a trip from DIO, or browse verified operators serving the area.
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Field capability
ICAO
DM2
IATA
DIO
FAA / Local
DM2
Elevation
20 ft
Coordinates
65.7584° N · 168.9537° 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
Heliport
Scheduled svc
Yes
Elevation vs AK fields
state range 2–3,318 ft
At 20 ft, DIO sits lower than 85% of the 285 Alaska fields on the register.
Runways & aircraft access
1 runway
longest 64 ft
- H164 ft × 64 ftConcreteUnlit
Which aircraft can operate here
vs longest paved runway 64 ft
At 64 ft, DIO is generally suited to piston and turboprop aircraft rather than jets.
- 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.
- 23nmWAAWales AirportWales
- 28nmTNCTin City Long Range Radar Station AirportTin City
- 60nmKPCPort Clarence Coast Guard StationPort Clarence
- 67nmKTSBrevig Mission AirportBrevig Mission
- 72nmTLATeller AirportTeller
- 76nmSHHShishmaref AirportShishmaref
Location
Open the full mapDM2 · Diomede Heliport · Diomede, AK
Flight times from here
Approximate nonstop block times from DIO on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Anchorage (ANC) | 575 nm | 1h 44m |
| Seattle (SEA) | 1,826 nm | 4h 39m |
| Jackson Hole (JAC) | 2,296 nm | 5h 44m |
| San Francisco (SFO) | 2,325 nm | 5h 48m |
| Salt Lake City (SLC) | 2,407 nm | 6h 0m |
| Las Vegas (LAS) | 2,573 nm | 6h 23m |
| Vail / Eagle (EGE) | 2,589 nm | 6h 25m |
| Los Angeles (VNY) | 2,595 nm | 6h 26m |
Common questions
- Can private jets use DIO?
- At 64 ft, Diomede Heliport is generally suited to turboprop and piston aircraft rather than jets. Charter flyers usually depart from a nearby field with a longer runway.
- What is the longest runway at DIO?
- Diomede Heliport has one runway; the longest measures 64 ft on a paved surface.
- What is the nearest major airport to DIO?
- The closest alternate is Wales Airport (WAA), about 23 nm away, followed by Tin City Long Range Radar Station Airport (TNC) at 28 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from DIO to major cities?
- Typical block times on a midsize jet: Anchorage about 1h 44m (575 nm), Seattle about 4h 39m (1,826 nm), Jackson Hole about 5h 44m (2,296 nm). Faster classes trim these times; add positioning and taxi for the real schedule.