What aircraft?
1) It was developed in response to an air force requirement for replacing an obsolete aircraft.
2) According to press reports, it was claimed to be the best climbing aircraft in the world - at the time.
3) The manufacturer's name will ring very familiar to anybody who is likely to read this.
4) The country of origin did not adopt it for military use.
5) About 60 were built
6) 50 went to one export customer, and two other countries bought single examples (for evaluation?)