Greenville Municipal Airport
3B1 · Greenville, ME · 1,401 ft elevation · var 18W · Non-towered
Airport information
- FAA LID
- 3B1
- Coordinates
- 45.4630, -69.5516
- Elevation
- 1,401 ft MSL
- Magnetic variation
- 18W
- Sectional chart
- MONTREAL
- Airport use
- Public
- Control tower
- No
- ARTCC
- BOSTON (ZBW)
- Flight service (FSS)
- BANGOR
- NOTAM facility
- BGR
- Attendance
- ALL 0800-1700
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1942/12
- Distance from city
- 2 E
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:11 AM | 08:11Z |
| Sunrise | 04:49 AM | 08:49Z |
| Sunset | 08:30 PM | 00:30Z |
| Evening civil twilight Loggable night begins | 09:08 PM | 01:08Z |
Plan a flight from 3B1
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- DUSK-DAWN. ACTVT REIL RWY 14; PAPI RWY 14 & 32; MIRL RWY 14/32 - CTAF.; BE ALERT: MNT CTAF 122.9 FOR LCL SPB TFC NEARBY (52B & 21M) IF ABLE. on 122.8 — Chart Supplement ↗
Runway lighting aids — 14: 4-light PAPI (right) · 32: 4-light PAPI (left).
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 03 · 027°
- Pattern
- left (turns left)
- TPA
- 2,400 ft MSL (≈1,000 AGL)
- CTAF
- 122.8
Enter the left downwind for Rwy 03 at 2,400 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 03/21
3,001 ft × 75 ft · Asphalt (Excellent)- Heading
- 027° mag · 9° true
- Markings
- basic
- Traffic pattern
- Left
- Heading
- 207° mag · 189° true
- Markings
- basic
- Traffic pattern
- Left
Runway 14/32
4,000 ft × 75 ft · Asphalt (Good)- Heading
- 135° mag · 117° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (right) (3°)
- Traffic pattern
- Left
- Heading
- 315° mag · 297° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (left) (3.1°)
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 03/21 | 3,001 ft | |
| 14/32 | 4,000 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| AWOS | 23.6 | AWOS A |
| CNTR | 120.25 | BOSTON CNTR |
| RDO | 122.3 | BANGOR RDO |
| UNIC | 122.8 | CTAF/UNICOM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Instruction, Aircraft sales
Ownership & management
Remarks FAA
- EXISTED PRIOR TO 1959.
- MOOSE, DEER & OTR WILDLIFE ON & INVOF ARPT.
- COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -20C.
- BE ALERT: MNT CTAF 122.9 FOR LCL SPB TFC NEARBY (52B & 21M) IF ABLE.
- DUSK-DAWN. ACTVT REIL RWY 14; PAPI RWY 14 & 32; MIRL RWY 14/32 - CTAF.
- CALL 207-717-5155 FOR HNGR AVBL & FUEL.
- TOWN MGR.
- 24 HR FUEL AVBL WITH MAJOR CREDIT CARD.
- NRS AND CNTRLN FADED.
- NRS AND CNTRLN FADED.
- NRS AND CNTRLN FADED.
- NRS AND CNTRLN FADED.
- PAPI UNUSBL BYD 8 DEGS R OF CNTRLN.
Nearby airports
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 3B1 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.
About 3B1
Greenville Municipal Airport (3B1) is an airport in Greenville, ME, at 1,401 ft MSL. It has 2 runways, the longest 4,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 3B1, refreshed from the Aviation Weather Center and FAA NASR.
Does 3B1 have a control tower?
No. Greenville Municipal Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 3B1?
Greenville Municipal Airport has 2 runways; the longest is 4,000 ft. See the Runways tab for headings, surface, and lighting.
Where is 3B1?
Greenville Municipal Airport is in Greenville, ME, at an elevation of 1,401 ft MSL. Coordinates: 45.4630, -69.5516.
Fly out of 3B1 often?
Save 3B1 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.