WxDecoder

PA77 Weather Erwinna Private Airport

Erwinna, PennsylvaniaElevation 350 ftSmall airport
OFF-FIELD REFERENCE
Nearest report: KDYL · 10 NM S · 46 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 · KDYL
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 35F, 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 35 0 kt – 0%
Monday Sunny 68/47 W 4 kt – 1%
Tuesday Sunny 63/40 N 4 kt – 0%
Wednesday Mostly Sunny 63/44 0 kt – 0%
Thursday Mostly Sunny 69/48 W 4 kt – 1%
Friday Sunny 73/49 W 4 kt – 1%
Saturday Partly Sunny 70/52 0 kt – 6%
Sunday Mostly Cloudy then Slight Chance Rain Showers 69 S 4 kt – 22%

Source: National Weather Service (office PHI). 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 PA77. Enter a runway number or heading to estimate wind components.
RUNWAYS

Runway detail & declared distances

1 runway · longest 2,000 ft

01/19
Dimensions
2,377 x 100 ft
Surface
Turf
RWY 01
RWY 19

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Field elevation

Field elevation
350 ft MSL

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

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2206Z 6:06 PM
Sunrise
1123Z 7:23 AM
Loggable night
2234Z (6:34 PM local) → 1055Z (6:55 AM local)
end of evening to start of morning civil twilight
Position lights required
2206Z (6:06 PM local) → 1123Z (7:23 AM local)
sunset to sunrise (91.209)
Night passenger currency
2306Z (7:06 PM local) → 1023Z (6:23 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

Erwinna Private Airport is in Erwinna, Pennsylvania. Field elevation 350 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerMARK STEVENS
Manager phone610-294-3130
AttendedUNATNDD
CHARTS & AIRSPACE
ICAO / IATAPA77
SectionalNEW YORK
Center (ARTCC)NEW YORK
Flight service (AFSS)WILLIAMSPORT
RegionPennsylvania
CountryUnited States
Coordinates40.5001, -75.0663
Distance from city1 NM SE
SERVICES & LIGHTING
Control towerNon-towered
AIRCRAFT ACTIVITY

PA77 traffic patterns

2026-07-01 to 2026-10-23, 5 days observed · data 2026-10-23

Low confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
3
AVG OPS/DAY
5
Activity trend over 2 days: falling, from 7 to 3 operations per dayOperations trend (2 days)

Busiest day: Sat · Busiest month: Oct

FLEET MIX
Piston single 57%Other 43%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›G103 (Other) · ~3 landings/mo
›C172 (Piston single) · ~1 landings/mo
›CC11 (Piston single) · ~1 landings/mo
›HUSK (Piston single) · ~1 landings/mo
›WACF (Piston single) · ~1 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

PA77 has no on-field report. Nearest reporting station: KDYL (10 NM S, VFR).

KDYL Doylestown Airport
10 NM S
VFR
KUKT Quakertown Airport
15 NM W
VFR
KTTN Trenton Mercer Airport
18 NM SE
VFR
KABE Lehigh Valley International Airport
19 NM NW
VFR
KLOM Wings Field
24 NM SW
VFR
KPNE Northeast Philadelphia Airport
25 NM S
VFR
AIRPORT REMARKS

Operational remarks

›FOR CD CTC ALLENTOWN APCH AT 800-728-6322.
›RY MARKED WITH THREE RED FLAT DISCS AT THRESHOLDS. RY 01 HAS 350 FT DT MARKED WITH 3 RED DISCS EACH SIDE, RY 19 HAS 1685 FT DT MARKED WITH 3 RED DISCS EACH SIDE. REMAINING RY MARKERS 200 FT APART EACH SIDE, WHITE IN COLOR.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗PA77 on OurAirports
FREQUENTLY ASKED
Does PA77 have a METAR?
No on-field METAR is issued for PA77. This page uses the nearest reporting station as a reference.
Does PA77 have a TAF?
No TAF is issued directly for PA77. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at PA77?
PA77 sits at 350 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for PA77?
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.