R101 Despite the lack of full endurance and speed trials and the fact that a proper investigation of the aerodynamic consequences of the extension had not been fully completed by the N.P.L., a Certificate of Airworthiness was issued on 2 October, the Inspectorate expressing their complete satisfaction with the condition of the R101 and the standards to which the remedial work had been carried out. The actual certificate was handed over to H. C. Irwin, the ship's captain, only on the day of her flight to India. R101 departed from Cardington on the evening of 4 October 1930 for its intended
R101 airship. It was decided to repair these at the mast and to add more strengthening bands. This was done by the end of the day but the next day a second, shorter, split occurred. This was dealt with in the same way, and it was decided that if the reinforcing bands were added to the repaired area the scheduled appearance at the RAF pageant at Hendon could be made. R101 made three flights in June, totalling 29 hours 34 minutes duration. On 26 June a short proving flight was made, the controls, no longer servo-operated, being described as "powerful and