Airports / K4N1 / Greenwood Lake AirportGood ground coverage

📍 West Milford⬆ 791 ft1 runways

K4N1 ·

Greenwood Lake Airport

41.12820°N

-74.34670°W

ARR / DAY

▲ 0.0%

DEP / DAY

▲ 0.0%

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 3,470 feet.

Safety incidents

Last 7 days · 0 total

NORMAL

Current weather

From KMMU, 23 mi away (K4N1 does not publish METAR)

38m ago

Temp

73°F

Wind

4 kts

50°

Visib

10+ km

Ceil

—

KMMU 062145Z 05004KT 10SM SCT050 23/16 A2998

Runways

1 installed

3,470 FT MAX

06/24

3,470 ft × 60

ASP● LITMED

Runway intelligence

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

71% of ops

526 land · 544 TO

29% of ops

218 land · 262 TO

Runway 24 carries 71% of operations (526 landings, 544 takeoffs) over the last 30 days. The next most-used is 06 at 29%.

Approach quality

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

24 526 landings

UA 2%

06 218 landings

UA 3%

Approaches to 24 show a 2% unstable-approach rate (13 UA events from 526 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

23.1

flights/day · 694 total

Busy hour (local)

5pm

also 2pm · 4pm

Day vs night

80%

06:00–20:00 local

Traffic concentrates around 4pm–5pm local, averaging 23.1 flights/day. Weekend volume runs 1.2× weekday (27.6 vs 22.5 daily).

Aircraft character

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

Activity is led by (61% of 674 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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