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Greenwood Lake Airport

4N1 · West Milford, NJ · 791 ft elevation · var 13W · Towered

Airport information

FAA LID
4N1
Coordinates
41.1282, -74.3467
Elevation
791 ft MSL
Magnetic variation
13W
Sectional chart
NEW YORK
Airport use
Public
Control tower
Yes
ARTCC
NEW YORK (ZNY)
Flight service (FSS)
MILLVILLE
NOTAM facility
MIV
Attendance
ALL 0800-1700
Beacon
white-green (SS-SR)
Segmented circle
No
Wind indicator
lighted
Activated
1960/06
Distance from city
1 E

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-20

EventLocal (EDT)UTC
Morning civil twilight
Loggable night ends
04:51 AM08:51Z
Sunrise05:25 AM09:25Z
Sunset08:33 PM00:33Z
Evening civil twilight
Loggable night begins
09:07 PM01:07Z
Loggable night (§1.1)
09:07 PM → 04:51 AM
Night currency (§61.57)
09:33 PM → 04:25 AM

Plan a flight from 4N1

Runway 06/24

3,471 ft × 60 ft · Asphalt (Excellent)

Edge lights: Med.

06
Heading
061° mag · 48° true
Markings
nonprecision
Traffic pattern
Right
24
Heading
241° mag · 228° true
Markings
nonprecision
VGSI
2-light PAPI (left) (3.5°)
Traffic pattern
Left

Communication frequencies

ServiceFrequencyNotes
A/D127.6NEW YORK APP/DEP
CTAF122.9

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
SAX · SpartaVORTAC115.70r078° / 9.4 NM
HUO · HuguenotVOR-DME116.10r158° / 20.2 NM
TEB · TeterboroVOR-DME108.40r334° / 21.2 NM
STW · StillwaterVOR-DME109.60r082° / 24.9 NM
BWZ · BroadwayVOR-DME114.20r058° / 29.3 NM
LGA · La GuardiaVOR-DME113.10r326° / 30 NM
CMK · CarmelVOR-DME116.60r267° / 35.8 NM

Chart Supplement FAA A/FD

Open PDF ↗
Preview Chart Supplement Open the Chart Supplement PDF

Services

Fuel available
100LL, Jet A
Bottled oxygen
NONE
Bulk oxygen
NONE
Airframe service
MAJOR
Powerplant service
MAJOR
Parking
tiedowns
Other services
Air ambulance, Instruction, Parachute ops, Rental, Aircraft sales

Ownership & management

Owner
N.J. DEPT. TRANSPORTATION
1035 PARKWAY AVE. P.O. BOX 610, TRENTON, NJ
609-963-2100
Manager
TIM WAGNER
126A AIRPORT RD BOX 1, WEST MILFORD, NJ
973-728-7721

Remarks FAA

  • RECOMMENDED THAT WIRES RWY 6 APCH BE MKD WITH PLASTIC BALLS OR PUT UNDERGND (WIRES NOW MKD & LGTS MOUNTED ON POLES).
  • AUTOMATED UNICOM; 3 CLICKS TO ACTVT.
  • RY 06/24 STEEP ROCK LEDGES LCTD JUST BYD BOTH RY ENDS.
  • ARPT SUBJECT TO GUSTING WIND & FREQUENT CROSSWINDS.
  • SOME RWY AND TWY LGTS TALLER THAN STANDARD.
  • DEER AND BIRDS ON AND INVOF ARPT.
  • FOR CD CTC NEWARK APCH AT 800-645-3206.
  • DROP ZONE LCTD SE SIDE OF RWY.
  • ACTVT MIRL RWY 06/24 - CTAF, 5 CLICKS. PAPI RWY 24 OPR CONSLY.
  • TREES BELOW RWY END, CLIFF.

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 4N1 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.