Airports / K4N1 / Greenwood Lake AirportGood ground coverage

📍 West Milford⬆ 791 ft1 runways

K4N1 ·

Greenwood Lake Airport

41.12820°N

-74.34670°W

ARR / DAY

▲ 3.1%

DEP / DAY

▲ 10.3%

Greenwood Lake Airport (K4N1) is a small general aviation airport located in West Milford, NJ, 17 mi north west of Paterson. It features 1 runway measuring 3,471 feet. SkyMeter has observed roughly 14 arrivals and 18 departures per day on average over the last 7 days.

Safety incidents

Last 7 days · 0 total

NORMAL

Current weather

Latest METAR observation

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Temp

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Wind

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Visib

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Ceil

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Runways

1 installed

3,471 FT MAX

06/24

3,471 ft × 60

ASP● LITMED

Runway intelligence

Which runway carries the operations, observed over the last 30 days

67% of ops

327 land · 321 TO

33% of ops

162 land · 188 TO

Runway 24 carries 67% of operations (327 landings, 321 takeoffs) over the last 30 days. The next most-used is 06 at 33%.

Approach quality

Per-runway unstable-approach, go-around, and long-rollout rates

24 327 landings

UA 2%

06 162 landings

UA 1%

Approaches to 24 show a 2% unstable-approach rate (5 UA events from 327 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.

Traffic behavior

When the field is busy: hourly + weekday vs weekend

Daily avg

21.9

flights/day · 656 total

Busy hour (local)

5pm

also 3pm · 4pm

Day vs night

78%

06:00–20:00 local

Traffic concentrates around 4pm–5pm local, averaging 21.9 flights/day. Weekend volume runs 0.8× weekday (18.4 vs 24.2 daily).

Aircraft character

What's actually flying here: top types over the last 30 days

Activity is led by (65% of 632 flights). Top three types: , , .

Communications Frequencies

2026-06-11

Type	Freq (MHz)	Hours
CTAF	122.900	—
APCH	127.600	—
APCH	379.900	—

Airport operations

ARTCC:: ZNY
Mag var:: 13° W
Fuel:: 100LL

Hourly traffic

Avg movements per hour · local time · last 30 days

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