FAA facility Airport

GREENWOOD LAKE

WEST MILFORD, NEW JERSEY FAA 4N1 Open to the public

Open View on OpenStreetMap

Runways

1 record · drawn to relative scale

06/24 3,471 × 60 ft · Asphalt (excellent) · Medium-intensity edge lights

06 24

Runway-end details

Runway 06/24 end details
End	True hdg	ILS	Glide slope aid	Approach lights	Displaced thr	Declared distances
06 RP	48°	—	—	—	—	—
24	228°	—	PAPI · 2-light · left side	—	—	—

Communications

3 published frequencies

Published communications frequencies
Use	Frequency	Hours
CTAF	122.9	—
APCH/P DEP/P	127.6	—
APCH/P DEP/P	379.9	—

FAA listing history

Identities observed in NASR snapshots

GREENWOOD LAKE Observed 2024-06-13 through 2026-07-09 4N1

Dates describe available FAA snapshots, not exact opening, closure or construction dates.

Material changes

First observed in NASR cycles

No public material changes are recorded yet.

Facility facts

FAA / ICAO: 4N1
Type: Airport A
Status: Open
Ownership: Publicly owned
Use: Open to the public
Activated: 1960-06
Part 139: Not certificated
Fuel: 100LL JET A
Repair: Airframe: Major
Powerplant: Major
Tower: No control tower

Location

City: WEST MILFORD, NJ
County: Passaic
FAA region: Eastern region
Coordinates: 41.12839, -74.34653
Elevation: 789.6 ft (3RD PARTY SURVEY)

View coordinates on OpenStreetMap

Wildlife strikes

3Reported strikes

0With damage

0Injuries

Latest matched event: 2016-09-02. Safety-event data, separate from NASR infrastructure facts.

FAA NASR cycle effective 2026-08-06. Operational information changes every cycle — consult current FAA publications, the Chart Supplement and NOTAMs before flight.