Snake River Seaplane Base Seaplane Base
78U · Lewiston, ID · Non-towered
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 08:45 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:03 AM | 12:03Z |
| Sunrise | 05:37 AM | 12:37Z |
| Sunset | 08:11 PM | 03:11Z |
| Evening civil twilight Loggable night begins | 08:45 PM | 03:45Z |
Plan a flight from 78U
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
| Runway | Length | Your margin |
|---|---|---|
| N/S | 3,000 ft |
Prefer one flat page? Full runway details for 78U → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 78U kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
MQG 114.45 · PUW 117.15
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| MQG · Nez Perce | VOR/DME | 114.45 · 91Y | Low | r243° / 8 NM |
| PUW · Pullman | VOR/DME | 117.15 · 118Y | Low | r140° / 19.7 NM |
Prefer one flat list? All 78U frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 78U
- Coordinates
- 46.3646, -117.0620
- Elevation
- 735 ft MSL
- Magnetic variation
- 19E
- Sectional chart
- SEATTLE
- Airport use
- Public
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- BOISE · 122.6 · 1-800-WX-BRIEF
- NOTAM facility
- BOI
- Attendance
- APR-OCT ALL 0700-DUSK; NOV-MAR IREG IREG
- Segmented circle
- No
- Activated
- 1976/05
- Distance from city
- 3 SW
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management 2 contacts
Remarks FAA · 6 notes
General
- PLINES X SNAKE RIVER NORTH, SOUTH, ABV & BLO LNDG AREA. BRIDGE ACROSS SNAKE RIVER 2 NM NORTH OF LNDG AREA.
- LNDG AREA WITHIN LEWISTON-NEZ PERCE COUNTY ARPT TFC AREA; CTC LWS ATCT ON TWR/CTAF 119.4.
- NO BEACHING GEAR OR MOORING BUOYS AVBL.
- HEAVY BOAT TFC INVOF SEAPLANE BASE.
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
Runways
- WATERLANE LENGTH AND WIDTH VARIES.
Nearby airports
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Also nearby: WT33 Skid Row Seaplane Base (private) (4 NM) · ID83 Bighorn Airpark (private) (6 NM) · 00WN Hawks Run Airport (private) (10 NM) · ID45 Slickpoo MX Park Airport (private) (15 NM) · D69 Rogersburg Airport (18 NM)
About 78U
Snake River Seaplane Base (78U) is a seaplane base in Lewiston, ID, at 735 ft MSL. It has 1 runway, the longest 3,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 78U, refreshed from the Aviation Weather Center and FAA NASR.
Does 78U have a control tower?
No. Snake River Seaplane Base is a non-towered (pilot-controlled) seaplane base; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 78U?
Snake River Seaplane Base has 1 runway; the longest is 3,000 ft. See the Runways section for headings, surface, and lighting.
Where is 78U?
Snake River Seaplane Base is in Lewiston, ID, at an elevation of 735 ft MSL. Coordinates: 46.3646, -117.0620.
Fly out of 78U often?
Save 78U as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 78U in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.