Joaquín Collar Serra

Joaquín Collar Serra (25 November 1906 - 20 June 1933) was a Spanish military aviator. He was born in Figueras, Spain.

Flight
In 1933, together with Mariano Barberán y Tros de Ilarduya and Sergeant Modesto Madariaga, he flew the Cuatro Vientos, a Br.19 TF Super Bidon built specially for this flight, from Spain to Cuba. The flight, which took 39 hours and 55 minutes, departed Seville on at 4:40 on 10 June 1933 and arrived in Camagüey at 20:45 (local time) on 11 June 1933, after a flight of 7320 km.

Disappearance
The plane departed for Mexico City on 20 June 1933, without Madariaga on board, and disappeared in flight, being last sighted in the vicinity of Villahermosa, Mexico. No trace of the plane or of its two occupants was subsequently found.