The placenames that end in ‑os, ‑osse, ‑ons, ‑ost and ‑oz are considered to be of Aquitanian origin, such as the place-name Biscarrosse, which is directly related to the city of Biscarrués (note the Navarro-Aragonese phonetic change) south of the Pyrenees.
The Latécoère 225 prototype F-WZLM, renamed as the SERLEG 225EX, is on display at the Musée Historique de l'Hydraviation at Biscarrosse, once Latécoère's seaplane base.
On 30 December 1937 it set an FAI record carrying a payload of 18040 kg (39,770 lbs) to 2000 meters (6,562 ft) altitude at Biscarrosse, France.
In 1955, Isabel Rivas, a Portuguese aviation fan in the 50's, went to France to take a parachuting course in Biscarrosse, France.