📍 West Milford⬆ 791 ft1 runways
K4N1 ·
Greenwood Lake Airport
41.12820°N
-74.34670°W
ARR / DAY
15
▲
21.2%
DEP / DAY
19
▲
30.8%
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 15 arrivals and 19 departures per day on average over the last 7 days.
Safety incidents
Last 7 days · 0 total
Current weather
From KMMU, 23 mi away (K4N1 does not publish METAR)
Temp
79°F
Wind
7 kts
260°
Visib
10+ km
Ceil
—
Runways
1 installed
06/24
3,471 ft × 60
ASP● LITMED
Runway intelligence
Which runway carries the operations, observed over the last 30 days
24
70% of ops
319 land · 313 TO
06
30% of ops
137 land · 168 TO
Runway 24 carries 70% of operations (319 landings, 313 takeoffs) over the last 30 days. The next most-used is 06 at 30%.
Approach quality
Per-runway unstable-approach, go-around, and long-rollout rates
24
319 landings
UA 2%
06
137 landings
UA 1%
Approaches to 24 show a 2% unstable-approach rate (5 UA events from 319 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
21.3
flights/day · 639 total
Busy hour (local)
5pm
also 1pm · 3pm
Day vs night
77%
06:00–20:00 local
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
© SkyMeter ·
All flight data subject to ODbL attribution
·
Updated 20:34 UTC