The RAAF retained the Ballarat airfield as its Radio School until 1961. The then-Shire of Ballarat negotiated with the Department of Interior to become the civil operator of the airfield and sought the maintenance on site of the hangars and other structures, however a majority of the P Huts were sold by the Commonwealth. (Wikipedia) Sir William Hudson was a New Zealand-born engineer who headed construction of the Snowy Mountains Scheme for hydroelectricity and irrigation in Australia from 1949 to 1967, when he reluctantly retired at 71. The scheme was completed in 1974, under budget and before time. (Wikipedia)A car with the registration plates HFP949 is stopped by a number of male students from the Ballarat School of Mines. It is a reception for Sir William Hudson at the RAAF station (Ballarat airport). Verso: R.A.A.F. Station 1961. See Magazine Reception for Sir William Hudson Visit. ballarat school of mines, raaf, ballarat airport, students, william hudson, sir william hudson, raaf bas, student activity