Fly Away Baby

FlyAway Baby is a 1937 American comedyadventure film featuring Glenda Farrell as Torchy Blane, the second in the series of nine Torchy Blane movies.

Sonny Croy becomes a prime suspect. He is the son of a rival newspapers owner. Sonny has a solid alibi from the victims partner, Guy Allister, that they were having lunch at the time of the murder.As the investigation widens, Blane is assigned to join an air race aboard a dirigible and a flying boat. Sonny learns what shes up to and appears to be the killer, but is found dead himself. Allister is the actual villain, but when he tries to parachute out of the aircraft, he falls to his death. ........

Source: Wikipedia