21. Though the Sturgeon was constructed as a landplane , it did all of its flying on floats. 22. The Royal Navy purchased her on 27 February 1917 for completion as a combined landplane and seaplane carrier. 23. The " Aotearoa " was a landplane , with no ability to land on the sea. 24. The NC . 4-10 initially flew as a landplane , using a temporary fixed conventional undercarriage. 25. The Northern Bombing Group emerged from these plans four landplane squadrons equipped and trained in five months'time. 26. The XBLR-3 was the last landplane design prepared by Sikorsky before the company committed itself to helicopters. 27. A landplane version for military use was designated the "'Nieuport VI-M " '. 28. It was built as a landplane with the intention of converting it to a seaplane once testing was complete. 29. A second landplane fighter derivative was designed and built for the Spanish Republicans, the Romano R . 92. 30. The "'Curtiss R3C "'was an American racing aircraft built in landplane and floatplane form.
