No contract on this specification were awarded and only one Perch was built .
The Parnall Perch was a single - engined , side - by - side - seat aircraft designed in the UK to meet an Air Ministry specification for a general - purpose trainer .
No contract on this specification were awarded and only one Parnall Perch was built .
The Parnall Perch was a single - engined , side - by - side - seat aircraft designed in the UK to meet an Air Ministry specification for a general - purpose trainer .