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K4N1 · Greenwood Lake Airport

FAA-LID · US · 39 NTSB events

ID K4N1 Elev 791 ft Lat 41° 7.69' N Lon 74° 20.80' W Zulu …

Live conditions

METAR

fetching…

Wind / Visibility

—

Density altitude (now)

—

Aerial view

No FAA diagram published

Imagery © Esri, Maxar, Earthstar Geographics, USDA FSA

Runways

2 runway ends on file. Longest: 3,471 ft.

Designator Heading Length Width Surface Lighting Gradient
06 048° 3,471 ft 60 ft ASP Yes 0.00%
24 228° 3,471 ft 60 ft ASP Yes 0.00%

Lengths + headings: in-app airport database. Surface, width, lighting: OurAirports. Gradient: derived from FAA NASR runway-end elevations (NASR's RWY_GRAD field is empty in 99.99% of rows).

Communications · 2 frequencies

  • CTAF CTAF 122.900
  • A/D NEW YORK APP/DEP 127.600

Live ATC audio (streaming + archived): Open K4N1 on LiveATC ↗

Chart Supplement remarks, plain English · 2 matched · 8 not yet translated

Translations anchored to the FAA text; the raw FAA text is authoritative.

TL;DR

  • ·Pilot-controlled lighting: click mic 7 times on the CTAF to activate MIRL RWY 06/24. Lights stay on 15 minutes — click again to refresh.
  • ·Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

Watch for

  • Pilot-controlled lighting: click mic 7 times on the CTAF to activate MIRL RWY 06/24. Lights stay on 15 minutes — click again to refresh.

    pcl ctaf

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    wildlife hazard

All translated remarks (2)

  • Pilot-controlled lighting: click mic 7 times on the CTAF to activate MIRL RWY 06/24. Lights stay on 15 minutes — click again to refresh.

    Raw FAA text · airport remarks · operational

    ACTVT MIRL RWY 06/24 - CTAF

  • Wildlife on or near runways. Vigilant scan during taxi, takeoff, and landing roll. Birds also reported in the area.

    Raw FAA text · airport remarks · operational

    DEER AND BIRDS ON AND INVOF ARPT.

Not yet translated · raw FAA text (8 sentences)
  • ·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.
  • ·FOR CD CTC NEWARK APCH AT 800-645-3206.
  • ·DROP ZONE LCTD SE SIDE OF RWY.
  • ·TREES BELOW RWY END, CLIFF.
  • ·AUTOMATED UNICOM; 3 CLICKS TO ACTVT.
  • ·RECOMMENDED THAT WIRES RWY 6 APCH BE MKD WITH PLASTIC BALLS OR PUT UNDERGND (WIRES NOW MKD & LGTS MOUNTED ON POLES).

Field profile

Use

Public-use

Ownership

Public

Scheduled service

No

NTSB events

39 NTSB-recorded events on file at this airport .

Total events

39

since 1982

Fatal

4

10.3% of total

Last 5 years

2

≈ 0.4/yr

Last 10 years

3

≈ 0.3/yr

Ranking across all airports · Open in accident map ↗

Operations volume

FAA TAF · history through 2024

2005 2024

Peak: 35,244 ops in 1999

2024 total

28,160

10-yr total

201,929

2024 mix

AC/AT 0% · GA 100% · Mil 0%

Events / million ops

14.9

last 10 years

Fatal / million ops

1.52

approximate · 10-yr scaled

Last 10 years · n=3

  • Engine failure / power loss 1
  • Runway excursion 1
  • Other 1

All time · n=39

  • Other 10
  • Engine failure / power loss 6
  • Ground collision 5
  • Stall / spin 4
  • Hard landing 3
  • Fuel exhaustion / starvation 3
  • Weather · wind / icing / convective 3
  • Controlled flight into terrain 2

Categories rule-matched from NTSB findings and probable-cause text. "Other" = not enough agency text to classify.

Date Aircraft · Classification · Wx Sev
2025-10-06 Cessna 172 · Other · VMC · day →
2025-09-28 CIRRUS DESIGN CORP SR22 · Runway excursion · VMC · day →
2018-05-02 Piper PA32 · Engine failure · VMC · day →
2014-02-11 Piper PA 38-112 · Loss of control · VMC · day →
2012-06-23 Cessna 177 · Ground collision · VMC · day →
2011-07-09 Aero Vodochody L39C · CFIT · VMC · day →
2010-12-18 Cessna 182 · Weather · VMC · day →
2010-06-20 Cessna 172N · Runway excursion · day →
2010-04-03 Cessna 172E · Fuel exhaustion · VMC · day →
2009-07-19 Cessna 170B · Engine failure · VMC · day →
2006-08-23 Piper PA-28R-200 · Hard landing · day →
2005-10-21 Cessna 172K · Stall / spin · day →
2005-06-23 Beech C35 · Ground collision · VMC · day →
2005-02-27 Cessna 182P · Engine failure · VMC · day →
2003-04-10 Mooney M20K · Ground collision · night →
2002-08-11 Cessna 172RG · Stall / spin · VMC · day →
2002-07-11 Cessna 172 · Other · VMC · day →
2001-07-27 Piper PA-28-180 · Other · VMC · day →
2000-08-06 Beech BE-58 · Ground collision · day →
2000-06-09 Cessna 172R · Engine failure · VMC · day →
2000-06-01 Beech 19 · Hard landing · VMC · day →
2000-03-05 Piper PA-28-161 · Other · day →
1999-05-31 Cessna 172 · CFIT · day →
1999-04-03 Cessna 172XP · Fuel exhaustion · VMC · day →
1998-08-06 Cessna 172P · Ground collision · dusk →
1998-07-15 Boeing A75N1 (PT17) · Engine failure · day →
1997-12-20 Cady LONG-EZ · Weather · day →
1996-07-22 Cessna 172K · Weather · VMC · day →
1996-07-05 Cessna 152 · Stall / spin · VMC · day →
1996-04-21 Mooney M20K · Engine failure · day →
1992-11-24 Cessna 150A · Other · VMC · day →
1992-04-10 CAREY GLASSAIR SH2 · Stall / spin · VMC · dusk →
1990-06-24 Beech BE-23 · Fuel exhaustion · VMC · day →
1990-05-08 Cessna 152 · Other · day →
1987-06-16 Cessna 172 · Other · VMC · day →
1986-07-21 Mooney M20F · Other · VMC · day →
1986-04-14 Taylorcraft BC12-D · Other · VMC · dusk →
1985-02-14 Piper PA-28-180 · Other · day →
1983-08-13 Cessna 182P · Hard landing · VMC · day →

DPEs nearby

Distance is city-centroid to airport, a first cut, not the exam location.

Designee City ST Distance
Thomas Maciej Jablonski Ramsey NJ 10 nm
Jeremy Mark Auslander Wood Ridge NJ 21 nm
Ryan Andrew Ferguson Morristown NJ 21 nm
Richard Allen Greene Florham Park NJ 21 nm
Christopher Calvert Milford PA 24 nm
Heather Michele Howley New Windsor NY 25 nm
Nicholas John Gregory New Rochelle NY 28 nm
Karl-John Bearnarth Bedminster NJ 31 nm
Daniel Arenson Lords Valley PA 35 nm
Robert Armindo Miranda Hillsborough NJ 40 nm

Showing 10 closest of ~1,400 DPEs nationwide. Source: FAA Designee Locator.

CFIs nearby

City-centroid distance; ratings as on the FAA certificate.

Instructor City ST Distance
Christian Thomas Keller Hewitt NJ 3 nm
Kenneth James Carroll Hewitt NJ 3 nm
Paul Matthew Knorr Ringwood NJ 4 nm
Francine Kelly Garcia Ringwood NJ 4 nm
Robert David Stratton Bloomingdale NJ 6 nm
Frankiskos George Othitis Wanaque NJ 6 nm
Caoilainn Rose Mallon Tuxedo Park NY 7 nm
Gregory Alexander Reisch Oakland NJ 8 nm
Brayan Stiven Rivillas Benjnumea Oakland NJ 8 nm
Matthew Paul Newman Warwick NY 8 nm

Showing 10 closest of ~70,900 active CFIs nationwide. Source: FAA Airmen Certification Database.

A&P mechanics nearby

City-centroid distance. A = airframe, P = powerplant, IA = inspection authorization.

Mechanic City ST Distance
Megan Lauren Richey Hewitt NJ 3 nm
Louis Benito Lopez Hewitt NJ 3 nm
Richard Andrew Koval Hewitt NJ 3 nm
Fernando Portero Hewitt NJ 3 nm
Albert Le Roy Alfieri West Milford NJ 3 nm
Guy Areson West Milford NJ 3 nm
Michael Buffalino Jr West Milford NJ 3 nm
James Joseph Healy West Milford NJ 3 nm
Steve Robert Smith West Milford NJ 3 nm
Robert Bandov West Milford NJ 3 nm

Showing 10 closest of ~248,300 certificated mechanics nationwide. Source: FAA Airmen Certification Database.

Repair stations nearby

By airport location.

Shop Distance
Three Crown Avionics
Sussex, NJ
13 nm
RealClean Aircraft Detailing New Jersey
Morristown, NJ
20 nm
Empire Avionics Corporation
White Plains, NY
29 nm
Avionics One, Inc.
Bedminster, NJ
34 nm
Precision Avionics, Inc.
Wappingers Falls, NY
36 nm
Bravo Zulu Aviation
Wappingers Falls, NY
37 nm
Talon Air Maintenance Services, LLC
Farmingdale, NY
49 nm
LV Avionics
Allentown, PA
57 nm
Scott Richard Aircraft Maintenance, LLC
Allentown, PA
58 nm
Executive Aircraft Interiors
Oxford, CT
58 nm

Showing 10 closest of ~400 geocoded shops in the repair-station directory. Source: AOPA business listings.