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Muir Army Air Field (KMUI/MUI) is a U.S. Army airfield at Fort Indiantown Gap near Annville, Pennsylvania. It supports Pennsylvania National Guard and Army aviation training, including helicopter operations, and is not served by commercial airlines. The field is located in the Lebanon Valley between Harrisburg and Lebanon, with access controlled by the active military installation.
💡 Local Tip
Frequent visitors know to confirm gate hours, PPR/security requirements, and current NOTAMs before departing; the airfield sits on an active training installation, so unannounced arrivals are rarely accommodated.
🚖 Getting There
Access is by car; from I-81 take Exit 85 (Fort Indiantown Gap) and follow PA 934 to the installation gates. There is no public transit or commercial shuttle to the airfield, so a rental car, taxi, or rideshare from Harrisburg or Lebanon is the practical option. Expect security checks at the gate and allow extra time during training exercises or peak periods.
❓ Frequently Asked Questions
Q: Is Muir Army Air Field a commercial airport?
A: No. It is a military airfield supporting U.S. Army and Pennsylvania National Guard aviation operations, with no scheduled passenger airline service.
Q: Can the public fly into or visit KMUI?
A: Generally no. Access is restricted to authorized military, government, and approved personnel; civilian transient operations usually require prior permission (PPR) and coordination with airfield operations.
Q: What aircraft use Muir Army Air Field?
A: The field primarily supports military helicopters and light fixed-wing aircraft, including Army National Guard training flights, medevac, and support missions.
Q: Where is the airport located?
A: It is within Fort Indiantown Gap near Annville, Lebanon County, Pennsylvania, roughly 20 miles northeast of Harrisburg and about 10 miles north of Lebanon.
AI-generated content · Generated Sep 30, 2026 · deepseek-v4.1-flash