info from Airspeed Aircraft since 1931 by H. A. Taylor
Flown to South Africa July 4, 1936. Appeared on the South African civil register as ZS-ALD from July 3, 1936 to Dec 31, 1937. Fitted with camera equipment late in 1936 as part of SAAF Air Survey Flights.
Aeroplane Photo Supply No. 809
