Extreme Flight 67–69" (70E / 1.7M)

Explore the Extreme Flight 67–69" (70E / 1.7M) series, precision-engineered aerobatic aircraft designed for demanding 3D and XA pilots. This class delivers exceptional power-to-weight balance, rock-solid tracking, and unmatched agility in a compact yet highly capable 1.7m airframe. From freestyle to full-power 3D, the EF 67–69" lineup offers competition-grade performance trusted by top pilots worldwide. Shop the full official Extreme Flight range at Probuild Aircraft, the UK’s leading supplier of genuine EF models.