Gaithersburg is the choice for many pilots who don’t want to fly into Washington Dulles International Airport (IAD) or aren’t able to fly into Washington’s Reagan National Airport (DCA). The Montgomery County Airpark (GAI) sits roughly 25 miles north of the nation’s capital, making for a short drive to downtown Washington. The airpark’s single 4,202-foot Runway 14/32 offers the best of two worlds for GA pilots because, while the airport is subject to the Special Flight Rules Area around the capital, GAI sits just north of the Washington, D.C., Flight Restricted Zone that brings with it special operating restrictions for GA aircraft, such as a TSA authorization that includes submitting the pilot in command’s fingerprints. However, because GAI sits within a 30-nautical-mile radius of the DCA VOR/DME, all pilots must have completed the FAA’s ALC-405 special-awareness training for SFRA operations. The busy airspace around GAI is controlled by Potomac Approach for Washington’s Dulles and Reagan National airports and sits not far from Baltimore’s Class B.
Chart Wise: Gaithersburg, Maryland (GAI) RNAV (GPS) – A
Key Takeaways:
- Gaithersburg Airpark (GAI) serves as a key General Aviation alternative to Washington D.C. airports, operating within the SFRA and requiring specific awareness training, but outside the stricter FRZ.
- The RNAV (GPS)-A approach to GAI is circling-only, often utilizing the Westminster (EMI) VOR for arrival and requiring a steep turn from a 220-degree final approach course to align with Runway 14/32.
- Pilots must differentiate between local GAI AWOS and IAD altimeter settings as they significantly affect circling minimums, and be prepared for the uniquely long 6-nautical-mile inbound legs of the GPS-based missed approach hold at EMI.
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