Sarnoff Princeton HeliportPrivate
3NJ4 · Princeton, NJ · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-21 · night begins 07:25 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:18 AM | 10:18Z |
| Sunrise | 06:45 AM | 10:45Z |
| Sunset | 06:58 PM | 22:58Z |
| Evening civil twilight Loggable night begins | 07:25 PM | 23:25Z |
Plan a flight from 3NJ4
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
| Runway | Length | Your margin |
|---|---|---|
| H1/ | 50 ft |
Prefer one flat page? Full runway details for 3NJ4 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 3NJ4 kneeboard →
Comms & NavAids
Nearby navigation aids
RBV 113.80 · ARD 108.20 · SBJ 112.90 · +4
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| RBV · Robbinsville | VORTAC | 113.80 · 85X | High | r332° / 9.8 NM |
| ARD · Yardley | VOR/DME | 108.20 · 19X | Low | r080° / 13.6 NM |
| SBJ · Solberg | VOR/DME | 112.90 · 76X | Low | r171° / 16 NM |
| GXU · Mc Guire | VORTAC | 110.60 · 43X | Low | r008° / 19.3 NM |
| COL · Colts Neck | VOR/DME | 115.40 · 101X | Low | r284° / 21.5 NM |
| NEL · Lakehurst | TACAN | 111.80 · 55X | — | r336° / 21.7 NM |
| BWZ · Broadway | VOR/DME | 114.20 · 89X | Low | r173° / 29.5 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 3NJ4 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 3NJ4
- Coordinates
- 40.3306, -74.6278
- Elevation
- 90 ft MSL
- Magnetic variation
- 12W
- Sectional chart
- NEW YORK
- Airport use
- Private
- Control tower
- No
- ARTCC
- NEW YORK (ZNY)
- Flight service (FSS)
- MILLVILLE · 122.2 · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1961/03
- Distance from city
- 3 SE
Services fuel · repairs · oxygen · attendance
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management 2 contacts
Remarks FAA · 4 notes
General
- SECURITY OPERATIONS CENTER: 24-HR ON-SITE EMERGENCY NUMBER 609-734-2318.
- FOR CD CTC NEW YORK APCH AT 800-645-3206.
Contact
- 609-734-2601
- SECURITY OPERATIONS CENTER - 609-734-2318
Nearby airports
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Also nearby: 45NJ Princeton Medical Center (private) (1 NM) · 8NJ2 Carnegie Center (private) (1 NM) · 3NJ3 Dow Jones & Company INC (private) (3 NM) · 3NJ2 Educational Testing (private) (4 NM) · 39N Princeton (4 NM) · NJ29 South County (private) (5 NM)
About 3NJ4
Sarnoff Princeton (3NJ4) is a heliport in Princeton, NJ, at 90 ft MSL. It has 1 runway, the longest 50 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 3NJ4, refreshed from the Aviation Weather Center and FAA NASR.
Does 3NJ4 have a control tower?
No. Sarnoff Princeton is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 3NJ4?
Sarnoff Princeton has 1 runway; the longest is 50 ft. See the Runways section for headings, surface, and lighting.
Where is 3NJ4?
Sarnoff Princeton is in Princeton, NJ, at an elevation of 90 ft MSL. Coordinates: 40.3306, -74.6278.
More about 3NJ4
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 3NJ4 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.