A retired United Airlines pilot who sped down the San Diego Freeway at 80 mph while his estranged wife clung to the hood of his car was sentenced to six years in state prison.

Russell A. Jobst, 44, who pleaded guilty last month to child endangerment and two counts of assault with a deadly weapon, was sentenced by Torrance Superior Court Judge William C. Beverly Jr.Jobst drove off with his 19-month-old son on Aug. 17, 1987, as his wife, Madonna Kennedy-Jobst, clung to the car's hood.

Jobst said he was remorseful and wouldn't hurt Mrs. Kennedy-Jobst in any way if he was spared a prison term.

But the judge said Thursday the circumstances outweighed the defendant's good behavior in jail, his solid record as a Navy helicopter pilot and his apparent belief that he had received custody of the boy during a divorce and custody dispute in a Hawaiian court.