Airports / K4N1 / Greenwood Lake AirportGood ground coverage
Greenwood Lake Airport satellite view
📍 West Milford⬆ 791 ft1 runways
K4N1 ·

Greenwood Lake Airport

41.12820°N
-74.34670°W
ARR / DAY
12
25.9%
DEP / DAY
16
17.8%

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 12 arrivals and 16 departures per day on average over the last 7 days.

Current weather

From KHPN, 34 mi away (K4N1 does not publish METAR)

1h ago
Temp
82°F
Wind
7 kts
320°
Visib
10+ km
Ceil
KHPN 281956Z 32007KT 10SM FEW035 28/19 A3000 RMK AO2 SLP153 T02780194 $

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

24
67% of ops
309 land · 297 TO
06
33% of ops
152 land · 182 TO
Runway 24 carries 67% of operations (309 landings, 297 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

24 309 landings
UA 2%
06 152 landings
UA 1%
Approaches to 24 show a 2% unstable-approach rate (5 UA events from 309 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
20.6
flights/day · 618 total
Busy hour (local)
5pm
also 12pm · 2pm
Day vs night
79%
06:00–20:00 local
Traffic concentrates around 2pm–5pm local, averaging 20.6 flights/day. Weekend volume runs 0.8× weekday (18.4 vs 22.4 daily).

Aircraft character

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

Activity is led by (65% of 600 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

12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p
© SkyMeter · All flight data subject to ODbL attribution · Updated 20:57 UTC