The Revathi was a conventional, low-wingmonoplane with fixedtailwheel undercarriage and two seats side-by-side with an optional third seat behind them. Thefuselage construction was of welded steel tube, with the forward section skinned inaluminium and the tail section in fabric. The wings were of all-metal construction and originally fitted with woodenflaps andailerons that were later replaced with metal surfaces. Thetail surfaces were also originally wooden but later replaced with metal.
The Revathi first flew on 13 January 1967 and received Indiantype certification in January 1969.
The prototype's wings and fuel system were later revised, and the resulting configuration was designated theRevathi Mk.II. It first flew in this configuration on 20 May 1970. It received its Indian type certificate on 31 October 1972.
Fuel capacity: 148 L (39 US gal; 33 imp gal) in two wing mounted integral tanks plus a 50 L (13 US gal; 11 imp gal) auxiliary tank in the fuselage behind the cabin
^Taylor, John W.R., ed. (1975).Jane's All the World's Aircraft, 1975-76 (66th annual ed.). New York: Franklin Watts Inc. pp. 99–100.ISBN978-0531032503.
