The surprising truth about Lockheed Altair.

The Lockheed Altair was a single-engined sport aircraft produced by Lockheed Aircraft Limited in the 1930s.

The Lockheed Altair was a single-engined sport aircraft produced by Lockheed Aircraft Limited in the 1930s. It was a development of the Lockheed Sirius with a retractable undercarriage, and was the first Lockheed aircraft and one of the first aircraft designs with a fully retractable undercarriage.