Greenville Seaplane Base Seaplane Base
52B · Greenville, ME · 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 08:32 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:56 AM | 08:56Z |
| Sunrise | 05:29 AM | 09:29Z |
| Sunset | 07:59 PM | 23:59Z |
| Evening civil twilight Loggable night begins | 08:32 PM | 00:32Z |
Plan a flight from 52B
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 |
|---|---|---|
| 14/32 | 6,000 ft | |
| 18/36 | 5,000 ft |
Prefer one flat page? Full runway details for 52B → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 52B kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Also
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 346.4 | BANGOR RCAG (LOW) |
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All 52B frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 52B
- Coordinates
- 45.4612, -69.5978
- Elevation
- 1,028 ft MSL
- Magnetic variation
- 18W
- Sectional chart
- MONTREAL
- Airport use
- Public
- Control tower
- No
- ARTCC
- BOSTON (ZBW)
- Flight service (FSS)
- BANGOR · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- BGR
- Attendance
- UNATNDD
- Segmented circle
- No
- Distance from city
- 0 N
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
Ownership & management 2 contacts
Remarks FAA · 3 notes
General
- FOR CD CTC BOSTON ARTCC AT 603-879-6859.
- BE ALERT: NEARBY 21M CURRIER'S SPB (1.1 MI WEST) UTILIZE SAME CTAF 122.9. MNT 3B1 CTAF 122.8 IF ABLE FOR LCL TFC.
- COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -21C.
Nearby airports
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Also nearby: ME30 Greenville Forestry Seaplane Base (0 NM) · 21M Currier's Seaplane Base (1 NM) · 3B1 Greenville Municipal Airport (2 NM) · ME79 Two Falls Airport (private) (14 NM) · ME22 Avery Field (private) (15 NM) · 13ME Socatean Bay Airport (private) (21 NM)
About 52B
Greenville Seaplane Base (52B) is a seaplane base in Greenville, ME, at 1,028 ft MSL. It has 2 runways, the longest 6,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 52B, refreshed from the Aviation Weather Center and FAA NASR.
Does 52B have a control tower?
No. Greenville 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 52B?
Greenville Seaplane Base has 2 runways; the longest is 6,000 ft. See the Runways section for headings, surface, and lighting.
Where is 52B?
Greenville Seaplane Base is in Greenville, ME, at an elevation of 1,028 ft MSL. Coordinates: 45.4612, -69.5978.
Fly out of 52B often?
Save 52B 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 52B 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.