The Songbird. a twin-engine Cessna T-50 .

The television version (NBC/ABC) starred Kirby Grant as Schuyler 
“Sky” King, an Arizona rancher and airplane pilot, with Gloria
Winters as his niece Penny and Sky’s nephew Clipper, played by
Ron Hagerty. 

The series had strong Western elements, King usually captured
criminals and spies and found lost hikers, though he did so with
the use of his airplane, the Songbird.
 

From left: Kirgy Grant,Gloria Winters and Ron Hagerty.

Original Release: September 16, 1951 – March 8, 1959.

During production of the series.