U.S. authorities said Sunday that an air taxi has crashed at an airport in the state of Alaska, killing all 10 people on board.

National Transportation Safety Board investigator Clint Johnson said the pilot and nine passengers were killed at Soldotna Airport on Sunday morning.

Asiana Airlines said Monday that the pilot in charge when its Boeing 777 crashed in San Francisco was in training for this type of aircraft.

Pilot Lee Kang-Kuk, 46, had 43 hours of experience in piloting this type of aircraft although he was well skilled with more than 9,000 hours of flight time under his belt, Asiana said.

The South Korean Boeing 777 which crashed in San Francisco after landing short of the runway was only seven years old and had no known mechanical problems, the Asiana Airlines CEO said Sunday.

"We purchased this airplane in March 2006... currently we understand that there are no engine or mechanical problems," Yoon Young-Doo told a press conference, adding that the two people killed were Chinese nationals.

San Francisco lawmakers vote Tuesday on a proposal to outlaw most public nudity, despite protests in the famously free and easy West Coast city.

The Board of Supervisors will vote on an ordinance proposed by Scott Wiener, whose Castro neighborhood is a gay haven known also for the Naked Guys, who routinely let it all hang out in public.

Tens of thousands of people came to San Francisco's waterfront Sunday to mark the 75th anniversary of the Golden Gate Bridge, the distinctive orange vermilion structure that attracts some 10 million visitors each year.

The city hosted a massive celebration complete with music, dance vintage cars and motorcycles, as well as a fireworks display showcasing the iconic bridge at the entrance to the San Francisco Bay.

A powerful wave swept four crew members off a sailboat during a race near San Francisco, leaving one person dead and four others missing, the U.S. Coast Guard said early Sunday.

The eight-member crew aboard the 38-foot Low Speed Chase was participating in a yacht race from San Francisco Bay around the Farallon Islands on Saturday afternoon as their craft ran aground.

The owners and operators of a cargo ship that struck San Francisco's Bay Bridge four years ago causing a huge oil spill are to pay $44.4 million in compensation, under a deal announced Monday.

The COSCO-Busan container ship leaked 53,000 gallons of oil after colliding with the bridge on November 7, 2007, killing thousands of birds, fish and spoiling miles of shoreline habitat.

Something could soon be coming between San Francisco's proud nudists and their unusual freedom to bare it all.

Walking around naked is legal in the city under most circumstances, but a city supervisor concerned about public health and sanitation introduced legislation Tuesday that would require the clothing averse to put a cloth or other barrier under their bottoms if they take a seat in public.

Facebook is preparing to bolster the programming tools it offers to licensed music services like Rhapsody, Spotify, MOG and Rdio to make it easier for users of the social network to find out what songs their friends are digging.

The tools won't amount to a unique music service on its own, since Facebook has not negotiated licensing deals with major music companies, according to a person familiar with the matter.

Twitter users fired off a record number of tweets per second following the announcement by pop diva Beyonce at the MTV Video Music Awards that she is expecting a baby.

"Last night at 10:35 pm, Beyonce's big MTV #VMA moment gave Twitter a record bump: 8,868 Tweets per second," the San Francisco-based real-time messaging service said in a statement on its @TwitterGlobalPR feed.