Princess Ragnhild Coast is the portion of the coast of Queen Maud Land in Antarctica lying between 20 E and the Riiser-Larsen Peninsula, at 34 E. All but the eastern end of the coast is fringed by ice shelves. It was discovered by Capt. Hjalmar Riiser-Larsen and Capt. Nils Larsen in aerial flights from the ship Norvegia on February 16, 1931, and named for Princess Ragnhild of Norway.

Based on the paragraph above can we conclude that "It was discovered by Capt. Hjalmar Riiser-Larsen and Capt. Nils Larsen in aerial flights from the ship Norvegia on February 16, 1926"?
No