The Lioré and Olivier LeO-451, with the Amiot 351 and 354, were the only really modern bombers available to the French Air Force; four squadrons were equipped at the time of the German offensive. Fast and well defended, they nevertheless suffered heavy losses as employed at altitudes too low.
French Armée de l'Air twin engine Amiot 143 BCR (bombing, combat, reconnaissance) aircraft.It can carried 900-1,600 kg of bombs 600 km.900 - 1,600 kg of bombs.Its poorly protected tanks,slowness-270km/h'& weak defensive armament,made staff of Air Force make the gradual withdrawal of 138 Amiot143 delivered to frontline units.After German breakthrough at Sedan May 1940,last groups equipped with the aircraft briefly engaged in dangerous daytime missions.Flak & fighters inflicted heavy losses.
Batailles dans le ciel de France mai-juin 1940
French Amiot 143 bombers aligned on a base of the Air Force "A false image of French air power."