Greenville Mountain Heliport Heliport

4NY3 · Port Jervis, NY · 1,044 ft elevation

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

FAA LID: 4NY3
Coordinates: 41.3761, -79.6131
Elevation: 1,044 ft MSL

Detailed FAA facility data isn't available for this airport.

Weather

METAR observed

Loading current weather…

TAF forecast

Loading forecast…

Sun & FAA night 2026-06-23

Event	Local (EDT)	UTC
Morning civil twilight Loggable night ends	05:12 AM	09:12Z
Sunrise	05:46 AM	09:46Z
Sunset	08:56 PM	00:56Z
Evening civil twilight Loggable night begins	09:30 PM	01:30Z

Loggable night (§1.1)

09:30 PM → 05:12 AM

Night currency (§61.57)

09:56 PM → 04:46 AM

Plan a flight from 4NY3

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

Runway H1/

50 ft × 50 ft · ASPH

Heading: n/a

Heading: n/a

Headings shown are true (magnetic variation unavailable).

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
H1/	50 ft

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
FKL · Franklin	VOR	109.60	r115° / 11.6 NM
CIP · Clarion	VOR-DME	112.90	r339° / 15.5 NM
TDT · Tidioute	VORTAC	117.60	r213° / 22.1 NM

VFR sectional

Open 4NY3 on the VFR sectional (SkyVector) ↗

No published instrument procedures or Chart Supplement for 4NY3. VFR sectional link above.

No published services or facility detail for 4NY3.

Nearby airports

PN76 · UPMC Northwest HeliportHeliportPrivate (4 NM)8PN3 · McCauley's AirportPrivate (5 NM)11PN · Eakin AirportPrivate (6 NM)5PS4 · Rt36 EMS HeliportHeliportPrivate (11 NM)KFKL · Venango Regional Airport (11 NM)KAXQ · Clarion County Airport (12 NM)

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 4NY3 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.

About 4NY3

Greenville Mountain Heliport (4NY3) is a heliport in Port Jervis, NY, at 1,044 ft MSL. It has 1 runway, the longest 50 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4NY3, refreshed from the Aviation Weather Center and FAA NASR.

What is the longest runway at 4NY3?

Greenville Mountain Heliport has 1 runway; the longest is 50 ft. See the Runways tab for headings, surface, and lighting.

Where is 4NY3?

Greenville Mountain Heliport is in Port Jervis, NY, at an elevation of 1,044 ft MSL. Coordinates: 41.3761, -79.6131.

Fly out of 4NY3 often?

Save 4NY3 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.

Get the appBeta