A father and daughter survived a crash by deploying their plane's emergency parachute during an engine failure. “I have a little scratch on my head, and she bumped her knee, but that’s it,” pilot Louis Obergh, 50, of Syosset, said of himself and his daughter Rachel, 17. “We were a half-hour out of Republic [Airport in Farmingdale] when the engine died,” he told The Post. “She’s been flying with me a long time; she knew what was happening,” said the pilot of 20 years. “She said nothing at all.