Terminal Procedures

4N1 — Greenwood Lake

WEST MILFORD, NJ · 3 FAA charts · cycle 6 Aug 2026

Elevation 789 ft1 runwayLongest 3,471 ftNon-toweredFuel 100LL avgas, Jet AVolume NE-2Not for navigation

2 published instrument approaches: 2 RNAV (GPS), serving 2 runway ends.

All 3 4N1 charts in one download Every approach, departure, arrival and minimums page for this airport, sorted into folders, as a single ZIP. Taken one at a time on the free tier, 3 charts is roughly 19 sec of downloading — they queue one behind another.
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Instrument approach procedures

ChartAmendment
RNAV (GPS) RWY 06 chart previewRNAV (GPS) RWY 061DPDF
RNAV (GPS) RWY 24 chart previewRNAV (GPS) RWY 240DPDF

Takeoff and alternate minimums

ChartAmendment
TAKEOFF MINIMUMS chart previewTAKEOFF MINIMUMS—PDF

Minimums pages cover a whole volume, so the same document is shared by every airport in it.

4N1 airport information

Control tower
No
Attendance
All all 0800-1700
ARTCC
New York Center
Flight service
Millville
NOTAM facility
MIV (NOTAM-D available)
Magnetic variation
13W
Beacon
White-green (lighted land airport), sunset to sunrise
Wind indicator
Lighted
Fuel
100LL avgas, Jet A
Airframe service
Major
Powerplant service
Major
Bottled oxygen
None
Parking
Tie-downs
Customs
Landing rights airport
Activated
June 1960
Airport area
150 acres
Ownership
Publicly owned
Sectional
New York
Last FAA inspection
2026-05-20

From the FAA NASR 28-day subscription, cycle 6 Aug 2026.

4N1 radio frequencies

ServiceFrequencyCall sign
CTAF122.9
Approach127.6Newark

Civil VHF frequencies from the FAA NASR 28-day subscription. Discrete sector and military frequencies are not listed.

Runways

3,471 × 60 ft0624N500 ft
Runway layout at 4N1, drawn to scale from FAA published runway-end coordinates and true alignments. Runways served by an ILS are highlighted.
RunwayLengthWidth SurfaceLighting
06/243,471 ft60 ftAsphalt ExcellentMedium intensity
  06 48°Tright-hand circuit
  24 228°TPAPI (2-box) 3.5°

Runway and approach-aid data from the FAA NASR 28-day subscription.

Where 4N1 is

Latitude, longitude41.1283890, -74.3465280
Elevation789 ft
From West Milford1 nm E

Paste the coordinates into a simulator’s world map to drop straight onto the field.

FAA remarks for 4N1

  • 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.
  • ACTVT MIRL RWY 06/24 - CTAF, 5 CLICKS. PAPI RWY 24 OPR CONSLY.
  • TREES BELOW RWY END, CLIFF.
  • 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.

Published verbatim from the FAA NASR subscription. Abbreviations are the FAA's own.

Airports near 4N1

IDAirportCity DistanceCharts
N07Lincoln ParkLINCOLN PARK, NJ11 nm S4
KFWNSussexSUSSEX, NJ13 nm W3
KCDWEssex CountyCALDWELL, NJ15 nm S12
06NRandallMIDDLETOWN, NY18 nm N3
12NAeroflex/AndoverANDOVER, NJ19 nm W4
KMMUMorristown MuniMORRISTOWN, NJ20 nm S17
KTEBTeterboroTETERBORO, NJ21 nm SE23
KMGJOrange CountyMONTGOMERY, NY23 nm N8

VFR charts covering 4N1

New YorkHelicopter Route ChartNew YorkSectional ChartNew YorkTerminal Area Chart

Common questions about 4N1

What charts are available for 4N1?

3 current FAA charts for Greenwood Lake, including 2 instrument approachs. All are free to download as PDFs from this page, from the 6 August 2026 cycle.

What are the radio frequencies for 4N1?

CTAF 122.9. Full civil VHF list, with sector notes, is in the frequencies table on this page — from the FAA NASR subscription.

How long is the runway at 4N1?

Greenwood Lake has 1 runway. The longest is 06/24 at 3,471 ft by 60 ft, asphalt. Full runway dimensions, lighting and approach aids are listed on this page.

Does 4N1 have an ILS approach?

No ILS is published. In total 4N1 has 2 published instrument approaches, of which 2 are RNAV (GPS).

Is 4N1 a towered airport?

No — Greenwood Lake has no control tower. Traffic co-ordinates on a common frequency rather than with a controller, which is listed in the frequencies table on this page.

Are these 4N1 charts current?

They are from the FAA cycle effective 6 August 2026, which is superseded on 3 September 2026. We publish each new cycle on its effective date. They are for flight simulation and reference only — not for real-world navigation.

Wider chart sets

This airport3 chartsEvery 4N1 plate, one ZIP
All of New Jersey214 charts43.3 MB · every airport in the stateEvery US airport16,522 charts3.51 GB · the whole country offline

Bulk archives are a PRO benefit. Individual charts are free for everyone, always.

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Ian StephensReviewed by Ian Stephens · Editor-in-ChiefChart sourcing and page templates reviewed for accuracy. The charts themselves are unmodified FAA publications.

Not for navigation. For flight simulation and reference use only. Procedures are superseded on a 28-day cycle — obtain current official charts from the FAA for real-world flight.

FAA public-domain products, mirrored unmodified. Fly Away Simulation is not affiliated with or endorsed by the FAA. Chart licensing and terms.