Fox network affiliate KTVU news Channel 2 in Oakland identified the pilots in their noon broadcast yesterday as "Sum Ting Wong," "Wi Tu Lo," "Ho Lee Fuk," and "Bang Ding Ow."
KTVU cited the National Transportation Safety Board as their source, but quickly realized the mistake and apologized.
"These names were not accurate despite an NTSB official in Washington confirming them late this morning," KTVU said.
The NTSB later apologized for the "inaccurate and offensive names that were mistakenly confirmed" as those of the Asiana pilots -- and blamed the mistake on an intern.
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The NTSB "does not release or confirm the names of crewmembers or people involved in transportation accidents to the media," the board said.
"Appropriate actions will be taken to ensure that such a serious error is not repeated."
The NTSB told the San Francisco Chronicle that the offensive names "originated at the media outlet," and that the intern did not realize they were offensive and was "acting in good faith and trying to be helpful."
In Seoul, Asiana Airlines earlier identified the pilot flying the Boeing 777 that crashed as Lee Kang-Kuk, 46.