 Another aircraft, a specially modified version with long-range tanks (the AS 8 Viceroy) got as far as Athens before leaving the race due to damage.One Envoy took part in the Schlesinger Race to Johannesburg, but crashed, killing two of a crew.Tata Air Service of India flew an Airspeed Envoy in a demonstration flight between Bombay (Mumbai today) and Calcutta (Kolkata) on 25 February 1935 to validate the viability of air mail service between the two cities.