1
Runway
3
Frequencies
4
Procedures
Quick Facts
FAA
4N1
Elevation
789.6 ft MSL
Runways
1
Frequencies
3
Tower
No
Fuel
100LL,A
Coordinates
41.128, -74.347
Airport Information
Facility Type
AIRPORT
Elevation
789.6 ft MSL
Control Tower
No
Fuel Types
100LL,A
ARTCC
NEW YORK
Coordinates
41.1284, -74.3465
Ownership
Public
Hours of Operation
Current Weather
Nearby Weather Cameras
No camera at 4N1. Showing nearest cameras.
Teterboro Airport
South · Camera 3 · 4 cameras total
24 NM away
Nyack
East · Camera 2 · 4 cameras total
25 NM away
12 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Ends | Length | Width | Surface | Lights | Weight Bearing | PCN |
|---|---|---|---|---|---|---|---|
| 06/24 | 06 / 24 | 3,471 ft | 60 ft | ASPH | MED | - | - |
Frequencies
| Type | Frequency | Name | Call Sign | Use | Hours |
|---|---|---|---|---|---|
| APCH/P DEP/P | 127.6 | PHILADELPHIA INTL | - | APCH/P DEP/P | - |
| APCH/P DEP/P | 379.9 | PHILADELPHIA INTL | - | APCH/P DEP/P | - |
| CTAF | 122.9 | GREENWOOD LAKEAUTOMATED UNICOM; 3 CLICKS TO ACTVT.; ACTVT MIRL RWY 06/24 - CTAF, 5 CLICKS. PAPI RWY 24 OPR CONSLY. | - | CTAF | - |
Airport Remarks
- RECOMMENDED THAT WIRES RWY 6 APCH BE MKD WITH PLASTIC BALLS OR PUT UNDERGND (WIRES NOW MKD & LGTS MOUNTED ON POLES).
- AUTOMATED UNICOM; 3 CLICKS TO ACTVT.
- 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.
- DEER AND BIRDS ON AND INVOF ARPT.
- FOR CD CTC NEWARK APCH AT 800-645-3206.
- DROP ZONE LCTD SE SIDE OF RWY.
- ACTVT MIRL RWY 06/24 - CTAF, 5 CLICKS. PAPI RWY 24 OPR CONSLY.
- TREES BELOW RWY END, CLIFF.
IFR Procedures
2 Runway, 2 Approaches
Nearby airports & facilities
K4N1
Greenwood Lake Airport
West Milford — <1 nm
JY43
HILL TOP
WEST MILFORD — 3 nm
JY43
Hill Top Airport
West Milford — 3 nm
6NJ7
NEBELS
WEST MILFORD — 3 nm
6NJ7
Greenwood Lake Seaplane Base
West Milford — 3 nm
1NJ6
IDYLEASE HELISTOP
NEWFOUNDLAND — 6 nm
1NJ6
IDYLEASE HELISTOP
NEWFOUNDLAND — 6 nm
1NJ8
Scardo's Heliport
Oakland — 8 nm
JY12
International Crossroads Heliport
Mahwah — 8 nm
21NJ
BERGEN COUNTY POLICE & FIRE ACADEMY
MAHWAH — 9 nm
5NJ3
Great Gorge Country Club Inc Heliport
Vernon — 9 nm
6NJ3
POINT VIEW HELISTOP
WAYNE — 10 nm
Nearest airports
- K4N1 — Greenwood Lake Airport
West Milford
- JY43 — HILL TOP
WEST MILFORD
- JY43 — Hill Top Airport
West Milford
- 6NJ7 — NEBELS
WEST MILFORD
- 6NJ7 — Greenwood Lake Seaplane Base
West Milford
New Jersey airports
4N1 Operational Overview
Location & Facility
GREENWOOD LAKE (4N1) is a publicly owned airport open to the public located in WEST MILFORD, New Jersey, United States. The field sits at an elevation of 789.6 feet above mean sea level (MSL) at coordinates 41.1284°N, 74.3465°W.
Runways
GREENWOOD LAKE has 1 runway. The longest runway (06/24) measures 3,471 feet by 60 feet with a asph surface.
Communications & Operations
GREENWOOD LAKE is a non-towered (pilot-controlled) field. A total of 3 communication frequencies are published for this facility.
Services & Fuel
GREENWOOD LAKE offers 100LL,A fuel. Pilots planning fuel stops should confirm availability with the FBO, as hours and pricing may vary.
Instrument Procedures
GREENWOOD LAKE has 4 published instrument flight procedures, including 2 approaches. These procedures are updated on the 28-day AIRAC cycle. Sign up for AeroCopilot to view full procedure charts with waypoint maps and altitude profiles.
Weather Cameras
3 FAA Weather Cameras are available near GREENWOOD LAKE, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Frequently Asked Questions
What is 4N1?
4N1 is the ICAO identifier for GREENWOOD LAKE, a public-use airport located in WEST MILFORD, New Jersey, United States.
How many runways does GREENWOOD LAKE have?
GREENWOOD LAKE (4N1) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of 4N1?
The field elevation of GREENWOOD LAKE is 789.6 feet above mean sea level (MSL).
Is fuel available at 4N1?
Yes, GREENWOOD LAKE offers 100LL,A fuel.
What is the longest runway at 4N1?
The longest runway at GREENWOOD LAKE is 3,471 feet long.
How do I access complete data for 4N1?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for GREENWOOD LAKE.
Where is GREENWOOD LAKE located?
GREENWOOD LAKE (4N1) is located in WEST MILFORD, New Jersey, United States, at an elevation of 789.6 ft MSL.
Does 4N1 have weather cameras?
4N1 does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.