Helwan HA-300

HA-300
Role Single-seat interceptor
National origin Egypt
Manufacturer Egyptian General Aero Organisation
Designer Willy Messerschmitt
First flight 7 March 1964
Status Cancelled
Primary user Egyptian Air Force
Produced 1964–1969
Number built 3

The Helwan HA-300 (Arabic: حلوان ٣٠٠) was a single-engine, delta-wing, light supersonic interceptor aircraft developed in Egypt during the 1960s.

At various stages, Spain and India were involved in the development program. Spain was financing two projects, the HA-200 and the Hispano HA-300, but cancelled the HA-300 project before a prototype was built due to overruns. Egypt then took over financing, and the program was transferred to Egypt where both it and its engine would be made, and where the aircraft was successfully flown. Near the end of the program, India began financing the development of the E-300 engine for use in the Indian HF-24 Marut jet fighter.

The HA-300 was an ambitious and costly project for Egypt, at a time when it was seeking to expand both its civilian and defence aviation industry.