Dear Dad mostly through letters. Dear Dad "Dear Dad" was the 12th episode of the first season of the TV series "M*A*S*H". It originally aired on December 17, 1972 and was repeated on May 20, 1973. This was the first episode to use an epistle as part of the narrative, a device that would be used in later episodes. Hawkeye writes home to his father during the Christmas season, relating a number of amusing and personal anecdotes including Radar's effort to mail home a jeep piece-by-piece, the monthly morality lecture, Trapper's local medical philanthropy, and the ongoing non-secret relationship between Frank and
Sikorsky S-5 momentarily deactivate the ignition thereby controlling engine power. The S-5 was also built with reversed rudder controls because it better suited Sikorsky's tactility of the machine. The S-5 was tested in a series of 20 to 30-second straight-line flights, over a period of three weeks, before the designer was able to make what he called his first real flight of four minutes, in a circuit of the field, on 17 May 1911. After outperforming Russian Army aircraft during manoeuvres watched by Czar Nicholas II in September, the S-5 earned Igor Sikorsky his first income with a series of exhibition flights