4N1 Greenwood Lake Airport

Before you fly into 4N1

Conditions

LIFR

Very low · even IFR may divert

Airport

Non-towered

Self-announce on CTAF

Pattern alt

1,789.6'

MSL · field 789.6' + 1,000 AGL

Favored RWY

Calm

No wind component

METAR & TAF 4N1

4N1 does not publish a METAR.

Showing the nearest reporting station: KFWN (SUSSEX) · 13.2 NM away. Conditions at 4N1 may differ.

METAR · KFWN

Observed 08:53Z

KFWN 110853Z AUTO 00000KT 6SM HZ OVC004 23/20 A2979 RMK AO2 SLP084 T02280200 56003

Wind: 000° @ 0 kt
Visibility: 6 SM
Temp / Dew: 23°C / 20°C
Altimeter: 29.79 inHg
Clouds: OVC
Density alt: 2,100 ft
Ceiling: 400 ft AGL
Rules: LIFR

4N1 does not issue a TAF.

Showing the forecast from the nearest station: KTEB (TETERBORO) · 21.1 NM away. Conditions at 4N1 may differ.

Forecast · TAF

Valid 11 09:00Z–12 12:00Z

TAF KTEB 110841Z 1109/1212 23006KT P6SM FEW015 SCT035 BKN050 TEMPO 1109/1111 BKN035 FM111200 25006KT P6SM FEW009 SCT035 BKN100 FM111700 28009G15KT P6SM SCT050 SCT150 BKN250 FM112100 29009KT P6SM BKN050 BKN150 BKN250 TEMPO 1121/1201 3SM TSRA BKN035CB BKN060 FM120100 27004KT P6SM BKN050 BKN150 BKN250 TEMPO 1201/1203 5SM -SHRA BR BKN025

BASEVFR

11 09:00Z–11 12:00Z

Wind: 230° at 6 kt
Visibility: ≥ 6 SM
Sky: Broken 5,000 ft, Scattered 3,500 ft, Few clouds 1,500 ft
Weather: None forecast

09Z

15Z

21Z

03Z

09Z

NOW

How to read

The top lane is always the active baseline (BASE + FM). Secondary lanes stack temporary and probabilistic deviations in the order they appear in the TAF.

Tap any pill to see the decoded conditions for that period.

Change indicators

BASEBase

Initial conditions at the start of the forecast.

FMFrom

A new baseline that replaces the previous forecast completely, starting at the stated time.

BECMGBecoming

Conditions change gradually over the window shown. By the end, the new conditions apply.

TEMPOTemporary

Fluctuating conditions lasting less than an hour at a time within the window — not the dominant forecast.

PROB30/40Probability

30 or 40% chance of the conditions occurring within the period. Never combined with BECMG.

Airport info & contacts

Manager on record, flight service, ARTCC, attendance schedule and pattern altitude — published by the FAA and refreshed every 28 days.

Location

From city: 1 NM E
VFR sectional: NEW YORK
ARTCC: ZNY · NEW YORK
NOTAM facility: MIV (NOTAM-D)

Airport manager

Name: TIM WAGNER
Phone: 973-728-7721
Address: 126A AIRPORT RD BOX 1, WEST MILFORD NJ 07480

Flight service · Hours

FSS MIV: MILLVILLE1-800-WX-BRIEF
Attendance: 0800-1700

Frequencies

Tap any row to copy the frequency to your clipboard.

Advisory / CTAF

Approach / Departure

Runways & pattern

Full page

Runway & wind

tap a runway

Calm

See full METAR & TAF

RWY 06

035°M

Head/Tail

+0 kt

Crosswind

0 kt L

Pattern entry · RWY 06

RIGHT TRAFFIC

Runway	Heading (°M)	Length	Surface	Traffic
06/24	35° / 215°	3,471 ft	ASPH	06 R

Runway end performance

End	TORA	TODA	ASDA	LDA	VGSI	Approach lights	Obstruction
06	—	—	—	—	—	—	192', trees, 1988' from thr, 170' R of cntrln, slope 9
24	—	—	—	—	PAPI 2-box left(3.5°)	—	23', tree, 680' from thr, 132' R of cntrln, slope 20

Declared distances in feet. TORA = takeoff run available, TODA = takeoff distance, ASDA = accelerate-stop, LDA = landing distance.

Airport sketch

Runways drawn to scale from FAA survey coordinates, rendered over satellite imagery. Not for navigation.

Top-down satellite sketch of 4N1 GREENWOOD LAKE in WEST MILFORD, NEW JERSEY, showing runways 06/24 drawn to scale over Esri World Imagery

Approaches & charts

RNAV (GPS) RWY 06

4N1 · IAP

RNAV (GPS) RWY 06

4N1 · IAP

Services on the field

Fuel grades, oxygen, maintenance, ramp storage and lighting — as declared to the FAA by the airport operator.

Fuel & services

Fuel: 100LLA
Oxygen (bottled): Not available
Oxygen (bulk): Not available
Airframe repair: Major
Power plant repair: Major
Other services: AMB,INSTR,PAJA,RNTL,SALES

Ramp & ground

Transient storage: Tie-down
Landing fee: No fee published
Customs: Not available
Lighting schedule: SEE RMK
Beacon schedule: SS-SR
Beacon: White / Green (civil land)(WG)
Wind indicator: Lighted
Segmented circle: No

Fuel & FBOs

Cheapest 100LL and Jet A on the field and nearby. Always confirm with the FBO before taxi.

Cheapest 100LL

$6.69

4N1·Greenwood Lake Airport

Cheapest Jet ANearby

$7.81

KCDW·Air Bound Aviation·15.5 nm

FBO	100LL	Jet A	Amenities
Greenwood Lake Airport 122.900(973) 728-7721 WebsiteTitan3d ago	$6.69SS $6.39	$7.89SS $7.89

Greenwood Lake Airport
122.900(973) 728-7721
100LL
$6.69
Jet A
$7.89

Cheaper nearby (within 50 nm)

Jet A$7.81atKCDWAir Bound Aviation15.5 nmsave $0.08

Airport notes

Surface conditions, obstructions, local procedures, lighting outages and other notes published with each FAA cycle.

General notes

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.

Lighting notes

ACTVT MIRL RWY 06/24 - CTAF, 5 CLICKS. PAPI RWY 24 OPR CONSLY.

Approach & departure obstructions

06TREES BELOW RWY END, CLIFF.

Other notes

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.

VFR map & nearby airports

VFR sectional. Tap any ICAO chip to open that airport.

Key facts · 4N1

Answer card

ICAO: 4N1
Name: GREENWOOD LAKE
Location: WEST MILFORD, NEW JERSEY
Elevation: 789.6 ft MSL
Traffic pattern altitude: 1,789.6 ft MSL (1,000 AGL)
Control tower: Non-towered (use CTAF)
Total runways: 1
Longest runway: 06/24 · 3,471 ft
Published ILS approaches: 0
Published frequencies: 3
Magnetic variation: 13°
Current flight rules: LIFR
Current wind: 000° at 0 kt
Favored runway now: –

Greenwood Lake Airport is in West Milford, New Jersey. The field elevation is 789.6 ft MSL. It has one runway, 06/24, which is 3,471 ft long and asphalt. There is no control tower. No ILS approaches are published. The pattern altitude is not published, so use the standard 1,000 ft AGL for light piston operations unless the current Chart Supplement says otherwise.

Greenwood Lake Airport has one on-field FBO. Greenwood Lake Airport carries 100LL and Jet A. Call (973) 728-7721 for current service details before you go. Automated UNICOM is available. Activate it with three microphone clicks. Runway 06/24 lighting is medium intensity and is activated on CTAF with five clicks. The PAPI on runway 24 operates continuously.

This is a field where the local conditions matter. Deer and birds are present on and near the airport. The runway and taxiway lights include some taller-than-standard fixtures. The airport is also known for gusting wind and frequent crosswinds. Runway 06 has trees below the end, plus a cliff. There are steep rock ledges just beyond both runway ends. Wires on the runway 6 approach are marked, with lights mounted on poles. For clearance delivery, contact Newark Approach. The drop zone is on the southeast side of the runway.

Frequently asked questions

What is the runway length at 4N1 Greenwood Lake Airport?

Greenwood Lake has one runway, 06/24. It is 3,471 ft long and asphalt.

What is the field elevation at Greenwood Lake Airport?

The field elevation is 789.6 ft MSL.

Is there an ILS at 4N1?

No ILS approaches are published for 4N1. Check the current FAA Chart Supplement for the latest approach data before flight.

What is the pattern altitude at Greenwood Lake Airport?

The pattern altitude is not published in the facts. Use the standard 1,000 ft AGL for light piston operations unless the current Chart Supplement says otherwise.

Does Greenwood Lake Airport have a control tower?

No. 4N1 is non-towered. Use CTAF 122.9 and make normal position reports.

Which fuel grades are available on the field at 4N1?

The on-field FBO, Greenwood Lake Airport, carries 100LL and Jet A. Call (973) 728-7721 before arrival to confirm current service.

How do I activate the runway lights at Greenwood Lake Airport?

Runway 06/24 medium intensity lights are activated on CTAF with five clicks. The PAPI on runway 24 operates continuously.

What hazards should a first-time pilot watch for at Greenwood Lake?

Expect deer, birds, gusting wind and frequent crosswinds. Runway 06 has trees below the end plus a cliff. There are steep rock ledges just beyond both runway ends.

4N1