At 1500 Pacific time, a Cessna 210L struck trees about a quarter mile north of the approach end of runway 10R at Monterey Peninsula Airport. The pilot and two passengers suffered serious injuries. The flight was en route IFR from Salinas, Calif., to Monterey when the pilot declared an emergency due to an engine failure. He then executed an emergency landing short of the runway. Witnesses said there was trace of fuel at the accident site.