Airports / Alaska / KPR
Port Williams Seaplane Base.
Port Williams, Alaska. A private-aviation gateway on the Bravo register.
KPR
IATA KPR
0
Operators based
n/a
Elevation ft
Field standing
14 nm
To the nearest alternate
Seal Bay Seaplane Base (SYB), 6 fields within 50 nm.
Overview
Port Williams Seaplane Base, listed as KPR, is a seaplane base in Port Williams, Alaska. The airport supports scheduled airline service as well as private jet and charter movements.
KPR has no resident charter fleet; trips here are typically flown by operators repositioning from surrounding airports. Useful alternates include Seal Bay Seaplane Base (SYB, 14 nm), Kitoi Bay Seaplane Base (KKB, 19 nm), and Ouzinkie Airport (KOZ, 33 nm). KPR offers a single 10,000-foot unpaved runway, which supports charter types through the turboprop class.
Quotes for flights out of KPR vary with aircraft type, repositioning, and schedule flexibility. Use the cost estimator to model a trip from KPR, or browse verified operators serving the area.
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Field capability
ICAO
KPR
IATA
KPR
FAA / Local
KPR
Elevation
n/a
Coordinates
58.4901° N · 152.5820° 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
Seaplane
Scheduled svc
Yes
Runways & aircraft access
1 runway
longest 10,000 ft
- E/W10,000 ft × 4000 ftWaterUnlit
Which aircraft can operate here
vs longest runway 10,000 ft
KPR's 10,000 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.
- 14nmSYBSeal Bay Seaplane BaseSeal Bay
- 19nmKKBKitoi Bay Seaplane BaseKitoi Bay
- 33nmKOZOuzinkie AirportOuzinkie
- 37nmKPYPort Bailey Seaplane BasePort Bailey
- 37nmORIPort Lions AirportPort Lions
- 45nmADQKodiak AirportKodiak
Location
Open the full mapKPR · Port Williams Seaplane Base · Port Williams, AK
Flight times from here
Approximate nonstop block times from KPR on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Anchorage (ANC) | 179 nm | 49m |
| Seattle (SEA) | 1,264 nm | 3h 20m |
| San Francisco (SFO) | 1,716 nm | 4h 23m |
| Jackson Hole (JAC) | 1,774 nm | 4h 32m |
| Salt Lake City (SLC) | 1,860 nm | 4h 44m |
| Las Vegas (LAS) | 1,989 nm | 5h 2m |
| Los Angeles (VNY) | 1,990 nm | 5h 2m |
| Vail / Eagle (EGE) | 2,065 nm | 5h 12m |
Common questions
- What size private jets can use KPR?
- Port Williams Seaplane Base's longest runway is 10,000 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 KPR?
- Port Williams Seaplane Base has one runway; the longest measures 10,000 ft.
- What is the nearest major airport to KPR?
- The closest alternate is Seal Bay Seaplane Base (SYB), about 14 nm away, followed by Kitoi Bay Seaplane Base (KKB) at 19 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from KPR to major cities?
- Typical block times on a midsize jet: Seattle about 3h 20m (1,264 nm), San Francisco about 4h 23m (1,716 nm), Jackson Hole about 4h 32m (1,774 nm). Faster classes trim these times; add positioning and taxi for the real schedule.