A model of the proposed 2-seat P.91 helicopter. This tip-powered machine may have been designed in 1954 to the Specification H.144T. Fairey Aviation Ltd built their Ultra-Light helicopter, but no production contract was ever placed.
Norman H. Ellison "Percivals Aircraft", 1997
Fatal error: Uncaught mysqli_sql_exception: Connection timed out in /data03/virt15346/domeenid/www.aviastar.org/htdocs/helicopters_eng/percival_p-91.php:54
Stack trace:
#0 /data03/virt15346/domeenid/www.aviastar.org/htdocs/helicopters_eng/percival_p-91.php(54): mysqli_connect('mysql5.zone.ee', 'd14657sa18989', Object(SensitiveParameterValue))
#1 {main}
thrown in /data03/virt15346/domeenid/www.aviastar.org/htdocs/helicopters_eng/percival_p-91.php on line 54