Development beyond the delta-wing Mirage line
The Mirage F1 moved Dassault's Mirage fighter line to a swept-wing layout with improved low-speed handling.
The Dassault Mirage F1 was developed after France explored larger Mirage F2 and F3 concepts and needed a practical successor to earlier Mirage fighters. Unlike the delta-wing Mirage III family, the F1 used a high-mounted swept wing and conventional tail, improving low-speed performance, takeoff and landing characteristics, and operational flexibility. Dassault's history notes the F1 emerged from the need to secure a future fighter path after other programs stalled. The aircraft first flew in the 1960s and entered production for France and export customers.




