The move forces Ralls Corp to divest its stake in the projects, which were located near restricted airspace used by the military base.

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After a five-minute flight over Tampa Bay, the plane entered MacDill Air Force Base's restricted airspace and flew over the runway about 100 feet off the ground, Miller said.

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Since the September, 11, 2001, attacks, NORAD has regularly launched fighter jets to track aircraft in unusual situations, such as when they deviate from flight plans, lose radio contact or enter restricted airspace.

CNN: Pilots of wayward flight talk to NTSB

Since the September 11, 2001, terror attacks, NORAD has regularly launched fighter jets to track aircraft in unusual situations such as when they deviate from flight plans, lose radio contact or enter restricted airspace.

CNN: Crew of wayward airliner cooperative, sober, police say

Some flights have left Paris, Amsterdam and Frankfurt, but airspace in Germany and Ireland remains restricted.

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