WxDecoder

4PN6 Weather Williams Grove Heliport

Mechanicsburg, PennsylvaniaElevation 510 ftHeliport
OFF-FIELD REFERENCE
Nearest report: KCXY · 9 NM NE · 43 min old
No ceiling, visibility 10 SM.
No on-field report, so no field flight category. Conditions at the field may differ.
OFF-FIELD REFERENCE · KCXY
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

No aviation METAR is published for this airport. The nearest National Weather Service station reports wind calm, visibility 10 SM, temperature 9C. Treat this as supplemental, not an aviation observation. Forecast suggests tonight mostly clear, low near 36F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Tonight Mostly Clear 36 W 2 kt – 0%
Monday Sunny 70/46 W 4 kt – 0%
Tuesday Sunny 65/42 N 4 kt – 1%
Wednesday Partly Sunny 65/45 SE 4 kt – 1%
Thursday Sunny 71/48 S 4 kt – 0%
Friday Sunny 75/49 W 3 kt – 0%
Saturday Partly Sunny 71/54 SE 3 kt – 4%
Sunday Mostly Cloudy then Chance Rain Showers 70 S 6 kt – 33%

Source: National Weather Service (office CTP). Forecast issued 0039Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
Crosswind calculator
No runway layout is available for 4PN6. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail

H1
Dimensions
100 x 100 ft
Surface
DIRT
FIELD CONDITIONS

Field elevation

Field elevation
510 ft MSL

Density and pressure altitude need a current temperature and altimeter from the METAR.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2214Z 6:14 PM
Sunrise
1130Z 7:30 AM
Loggable night
2242Z (6:42 PM local) → 1102Z (7:02 AM local)
end of evening to start of morning civil twilight
Position lights required
2214Z (6:14 PM local) → 1130Z (7:30 AM local)
sunset to sunrise (91.209)
Night passenger currency
2314Z (7:14 PM local) → 1030Z (6:30 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Williams Grove Heliport is in Mechanicsburg, Pennsylvania. Field elevation 510 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
TypeHeliport
CHARTS & AIRSPACE
ICAO / IATA4PN6
RegionPennsylvania
CountryUnited States
Coordinates40.1501, -77.0330
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

4PN6 traffic patterns

2026-07-23 to 2026-09-10, 2 days observed · data 2026-10-23

Insufficient confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
0
AVG OPS/DAY
1
Operations trend (1 days)

Busiest day: Thu · Busiest month: Jul

FLEET MIX
Helicopter 100%

Mostly rotorcraft.

TOP AIRCRAFT TYPES
›B06 (Helicopter) · ~3 landings/mo
›H500 (Helicopter) · ~0 landings/mo
Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

4PN6 has no on-field report. Nearest reporting station: KCXY (9 NM NE, VFR).

KCXY Capital City Airport
9 NM NE
VFR
KMDT Harrisburg International Airport
13 NM E
VFR
KTHV York Airport
16 NM SE
VFR
KMUI Muir Army Air Field (Fort Indiantown Gap) Airport
27 NM NE
VFR
KLNS Lancaster Airport
34 NM E
VFR
KSEG Penn Valley Airport
41 NM N
VFR
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗4PN6 on OurAirports
FREQUENTLY ASKED
Does 4PN6 have a METAR?
No on-field METAR is issued for 4PN6. This page uses the nearest reporting station as a reference.
Does 4PN6 have a TAF?
No TAF is issued directly for 4PN6. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 4PN6?
4PN6 sits at 510 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 4PN6?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.