08/22/2022. Remarks by Johan Visschedijk: "One of five Monospar S.T.4 Mk.Is built in 1932, on January 4, 1933, this aircraft was registered to Lt. Gen. H.H. Sir Bhupinder Singh, Mahinder Bahadur, The Maharajah of Patiala, Patiala, India. Initially listed on the British register as G-ABVO, on April 13, 1934 it was transferred to the Indian register as VT-ADT. The Maharajah died March 23, 1938, and on April 29, 1938, the aircraft was reregistered his son, H.H. Maharaja Yadavinder Singhji, Mohinder Bahadur, Maharaja Dhiraj of Patiala. A year later, May 17, 1939, the registration was cancelled."