The Werkspoor Jumbo was a 1930s Dutch biplane freighter aircraft design by Joop Carley and built by Werkspoor. Only one aircraft was built (registered PH-AFI) which was sometimes called the Carley Jumbo and was operated by KLM for two years. Ordered in 1927 as a specialised freighter for KLM. The Jumbo was a large single-engined biplane fitted with two large cargo doors.
Made by Stork B.V..