AirNav: 3NJ4 - Sarnoff Princeton Heliport

3NJ4

Sarnoff Princeton Heliport
Princeton, New Jersey, USA

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FAA INFORMATION EFFECTIVE 10 JULY 2025

Location

FAA Identifier:	3NJ4
Lat/Long:	40-20-46.0000N 074-37-37.0000W 40-20.766667N 074-37.616667W 40.3461111,-74.6269444 (estimated)
Elevation:	90 ft. / 27 m (estimated)
Variation:	12W (1985)
From city:	3 miles SE of PRINCETON, NJ
Time zone:	UTC -4 (UTC -5 during Standard Time)
Zip code:	08540

Heliport Operations

Heliport use:	Private use. Permission required prior to landing
Activation date:	03/1961
Control tower:	no
ARTCC:	NEW YORK CENTER
FSS:	MILLVILLE FLIGHT SERVICE STATION
Attendance:	UNATNDD
Wind indicator:	yes
Segmented circle:	no

Heliport Communications

WX ASOS at TTN (9 nm SW):	126.775 (609-538-8690)
WX ASOS at SMQ (17 nm N):	120.6 (908-722-2139)

Nearby radio navigation aids

VOR radial/distance	VOR name	Freq	Var
RBVr335/10.5	ROBBINSVILLE VORTAC	113.80	10W
ARDr077/14.0	YARDLEY VOR/DME	108.20	10W
SBJr170/15.2	SOLBERG VOR/DME	112.90	10W
GXUr008/20.2	MC GUIRE VORTAC	110.60	12W
COLr287/21.5	COLTS NECK VOR/DME	115.40	11W
BWZr173/28.6	BROADWAY VOR/DME	114.20	11W
CYNr354/33.0	COYLE VORTAC	113.40	10W
CRIr255/37.1	CANARSIE VOR/DME	112.30	11W
TEBr231/39.6	TETERBORO VOR/DME	108.40	11W

NDB name		Hdg/Dist		Freq		Var		ID
LAKEHURST		335/22.5		396		11W		NEL	-. . .-..

Heliport Services

Airframe service:	NONE
Powerplant service:	NONE

Runway Information

Helipad H1

Dimensions:	50 x 50 ft. / 15 x 15 m
Surface:	asphalt
Traffic pattern:	left	left

Heliport Ownership and Management from official FAA records

Ownership:	Privately-owned
Owner:	SRI INTERNATIONAL - SARNOFF 201 WASHINGTON ROAD PRINCETON, NJ 08540 Phone 609-734-2000
Manager:	MICHAEL L DAVIS 201 WASHINGTON ROAD PRINCETON, NJ 08540 Phone 609-734-2538 SECURITY OPERATIONS CENTER - 609-734-2318

Additional Remarks

-	SECURITY OPERATIONS CENTER: 24-HR ON-SITE EMERGENCY NUMBER 609-734-2318.
-	FOR CD CTC NEW YORK APCH AT 800-645-3206.

Instrument Procedures

There are no published instrument procedures at 3NJ4.

Some nearby airports with instrument procedures:

39N - Princeton Airport (4 nm NW)
N87 - Trenton-Robbinsville Airport (8 nm S)
KTTN - Trenton Mercer Airport (9 nm SW)
47N - Central Jersey Regional Airport (11 nm N)
3N6 - Old Bridge Airport (13 nm E)
N51 - Solberg/Hunterdon Airport (15 nm N)
KSMQ - Somerset Airport (17 nm N)
KWRI - McGuire Field (Joint Base Mc Guire Dix Lakehurst) Airport (20 nm S)

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Area around 3NJ4 (Sarnoff Princeton Heliport)

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Aerial photo

Sectional chart

Airport distance calculator
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Sunrise and sunset

Times for 26-Jul-2025

	Local (UTC-4)	Zulu (UTC)
Morning civil twilight	05:20	09:20
Sunrise	05:51	09:51
Sunset	20:19	00:19
Evening civil twilight	20:50	00:50

Current date and time

Zulu (UTC)	26-Jul-2025 13:15:05
Local (UTC-4)	26-Jul-2025 09:15:05

METAR

KTTN 9nm SW	ASOS 133.70 609-538-8690 261253Z 08010KT 10SM CLR 26/20 A3010 RMK AO2 SLP186 T02610200
KSMQ 16nm N	ASOS 120.60 908-722-2139 261253Z AUTO VRB05KT 7SM BKN047 BKN055 27/21 A3010 RMK AO2 SLP190 T02720211
KWRI 20nm S	261255Z AUTO 06014KT M M CLR M M RMK AO2 SLPNO RVRNO FZRANO $

TAF

KTTN 9nm SW	261120Z 2612/2712 06005KT P6SM SCT070 FM261700 11005KT P6SM BKN060 FM270800 VRB03KT P6SM VCSH BKN030
KWRI 20nm S	261000Z 2610/2716 VRB06KT 9999 SCT050 SCT250 QNH3000INS BECMG 2702/2703 11008KT 9999 VCSH BKN040 QNH3002INS BECMG 2706/2707 16006KT 9000 -SHRA BKN025 QNH3000INS BECMG 2711/2712 19006KT 9999 VCSH BKN010 QNH2996INS TX31/2620Z TN21/2710Z

NOTAMs

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