Dec 11 (Reuters) - The Federal Aviation Administration said on Wednesday it will extend a ban on U.S. airlines flying in or out of Port-au-Prince, Haiti by another 90 days to March 25.

On Nov. 12, the FAA said it was barring U.S. airlines from operating in Haiti for 30 days after three commercial jetliners were struck by gunfire. On Nov. 21, the FAA said it would allowing U.S. airlines and general aviation pilots to fly to six airports in northern Haiti - Port-de-Paix, Cap-Haitien, Pignon, Jeremie, Antoine-Simon and Jacmel -- even as it extended the ban on flights to the Haitian capital.

(Reporting by David Shepardson)

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