Military Airport
RestrictedThis is a U.S. military installation. Civil aircraft operations are generally prohibited without prior authorization.
Access Notes:
Most military airfields closed to civil traffic; some joint-use exceptions exist
Current Weather
Raw METAR
Weather Briefing
VFRMuir Army Air Field (Fort Indiantown Gap) Airport is currently reporting visual flight rules (VFR) conditions with clear skies and 10 SM visibility.
Wind Analysis
Winds are from the south-southeast (150°) at 8 knots. Runway 07/25 is favored with a 1-knot headwind and 8-knot crosswind component.
Visibility & Ceiling
Visibility is 10 SM. Skies are clear with unlimited ceiling.
Temperature & Moisture
Temperature is 22°C (72°F) with a dewpoint of 15°C, indicating moderate moisture conditions.
Forecast Outlook
The TAF forecast covers the next 30 hours. The forecast shows a transition between VFR and IFR conditions. Pilots should monitor the forecast closely and have an alternate airport plan. Expected weather includes: Light Showers Rain, Light Thunderstorm Rain. Temporary IFR conditions are forecast with Light Thunderstorm Rain between 08:00Z and 10:00Z.
Pilot Recommendations
Conditions are favorable for visual flight. The forecast indicates conditions may deteriorate. Ensure you have fuel reserves and a viable alternate airport.
This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.
Forecast (TAF)
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Airport Runway Layout
Runway Information
| Runway | Length | Width | Surface | Heading | Wind Component |
|---|---|---|---|---|---|
|
✈️ 07/25
Active: 25
|
3,967 ft | 100 ft | ASP | 59° |
↓ 1.4 kt
•
↔ 7.9 kt
100° angle
|
Weather Statistics - KMUI
7,467 observations | Sep 2025 - Apr 2026Flight Rules Distribution
Muir Army Air Field (Fort Indiantown Gap) Airport typically experiences VFR conditions 65.1% of the time, though instrument-rated pilots will find IFR weather present approximately 18.7% of observations. Prevailing winds are from the W averaging 7.5 knots, with gusts recorded up to 34 knots. Calm conditions occur 32.9% of the time. Temperature extremes range from -17°C to 33°C, reflecting significant seasonal variation. The best months for VFR flying are September, November, October.
Wind Analysis
Temperature Range
Visibility
Best Months for VFR
Runway Wind Analysis
Statistics computed from 7,467 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.
Muir Army Air Field (Fort Indiantown Gap) Airport - Airport Information
Airport Details
Location
Runway Information
Flight Planning Tools
Nearby Airports
About Muir Army Air Field (Fort Indiantown Gap) Airport
Muir Army Air Field (Fort Indiantown Gap) Airport is a military facility. Civilian access may be restricted or require Prior Permission (PPR). Pilots should consult the US AIP for current access procedures and restrictions.
Overview
Muir Army Air Field is located at Fort Indiantown Gap near Annville, Pennsylvania, serving as a medium airport primarily supporting military aviation operations. Situated at an elevation of 488 feet MSL, the airport provides critical infrastructure for training and tactical air mobility in the northeastern United States.
Flying Conditions
Weather conditions at KMUI demonstrate predominantly favorable flying conditions, with 67.6% of observations reporting VFR conditions. The airport experiences moderate temperature variations, ranging from -17°C to 31°C, with an average temperature of 6.9°C. Wind patterns are predominantly westerly at 270°, with an average speed of 7.5 knots and periods of calm occurring 35.8% of the time.
Notable Features
The airport features a single runway (07/25) measuring 3,967 feet with an asphalt surface. Geographically positioned at coordinates 40.435214, -76.568661, the airport is located in a region with varied terrain typical of central Pennsylvania. Wind data indicates consistent favorable wind alignment for runway 07/25, with an average crosswind of just 3.7 knots.
Approach Considerations
Seasonal visibility averages 9.2 statute miles, with only 2.1% of observations reporting visibility below 3 miles. September, October, and November represent the most consistent VFR months for operations. Pilots should be prepared for occasional reduced visibility, with fog present in 2.5% of observations, and potential wind variations despite generally mild conditions.
Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.
Learn More
Recommended guides based on current conditions at KMUI
Official Data Sources
Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.