The plane was registered to an Oakland-based company called Winged Wallabies, Inc., according to Federal Aviation Administration records. He said it was “traumatic” to know the plane he had spent so much time on had crashed with people on board. Like commercial aircraft, all home-built planes are required by the FAA to be inspected annually for air worthiness. Cozy aircraft have the same safety record as commercially built planes of similar size, said aeronautical engineer Marc Zeitlin, who consults with the National Transportation Safety Board on crash investigations involving Cozy aircraft, including this one. “You buy foam, you buy fiberglass, you buy metal parts from all the manufacturers.

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Persons: Mark IV, Thane Ostroth, Ostroth, “, I’ll, ” Ostroth, Marc Zeitlin, Zeitlin, ”, Zeitlen, Emma Willmer, John Antczak Organizations: ANGELES, Wallabies, Inc, Federal Aviation Administration, Authorities, Cozy, FAA, National Transportation Safety Board, Burnside Aerospace, San, San Mateo County Sheriff’s Office, U.S . Coast Guard, San Mateo County Coroner’s, The National Transportation Safety Board, Associated Press Locations: California, San Francisco, Oakland, Thane, Australia, Michigan, Florida, Ross, San Mateo County, U.S, Los Angeles