11.   General aviation will continue to show declines in the short term, the FAA forecasts, but it should recover.

12.   General aviation aircraft range from single-seat crop dusters and twin-engine trainers up to business jets with famous names like Lear, Hawker, and Gulfstream.

13.   General aviation includes charter and corporate jets and recreational fliers, but not scheduled commercial airlines.

14.   He assumed that they had already radioed the tower so he advised them to go to the offices of Signature, the private general aviation operator at the airport.

15.   In addition, they say, general aviation is undergoing a sort of renaissance, with people flying more and buying more planes.

16.   It also released a report on the state of security in general aviation and published a procedure for airports to seek reimbursement for some of their security costs.

17.   It has all but halted traffic at Teterboro Airport in New Jersey, a major site for general aviation, where only charter flights have been allowed.

18.   Long after commercial aviation returned to the skies following the attacks, general aviation remained grounded, bankrupting many smaller businesses.

19.   Litigation of this sort virtually killed the general aviation industry, where airplane manufacturers are being held liable for crashes involving planes they built decades before.

20.   Many members of the general aviation industry agree that familiarity with clientele provides security and that unusual people and strange behavior are easy to spot.