| 11. | All versions were twin engined, with top speeds of 45 / 50 knots depending on engine choice.
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| 12. | The 5, 499 miles ( 8, 798 km ) flown non-stop constitute a record for twin engined airliners.
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| 13. | The title'Aircraft 160'was used previously by Lavochkin for a'Heavy'twin engined fighter to be produced concurrently with Aircraft 150.
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| 14. | The aircraft were replaced by French-built Hurel-Dubois HD . 34 twin engined survey aircraft in the late 1950s.
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| 15. | The main campus features 28 aircraft, both single and twin engined, and a hangar next to a classroom building.
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| 16. | In the USA, V-twin engined-motorcycles with capacities of 850 cc or more have been the norm since the 1920s.
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| 17. | On 1 February 1945, the unit was redesignated as the "'32d Fighter Squadron ( Twin Engined ) " '.
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| 18. | In April 1954 the squadron re-equipped with its first jet powered aircraft type, the English Electric Canberra twin engined light bomber.
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| 19. | The original " H " Class design of 1919 was for a twin engined airship of approximately 80, 000 cubic feet volume.
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| 20. | In 1944, the group converted from medium, twin engined B-25 Mitchell and B-26 marauder bombers to heavy four engined B-24 Liberator bombers.
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