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Total Hours Flown <br /> <br />By primary use: <br /> <br /> Table 7 <br /> Trends in Total Hours Flown <br /> <br /> 1984 1981 1977 <br />757,830 777,200 623,375 <br /> <br /> 1974 1972 <br />563,250 654,700 <br /> <br />Aerial 49,330 64,000 28,530 - _ <br />Airtaxi/charter 42,5'80 68,600 32,450 41,960 34,280 <br />Business 298,640 174,300 183,600 157,000 172,320 <br />Corporate/executive 41,385 54,700 - - - <br />Flight Training 49,125 110,900 125,500 87,675 100,000 <br />Personal 213,000 259~000 217,800 215,500 200,075 <br />Other 63,6100 45,700 35,460 61,125 55,900 <br /> <br />By aircraft type: <br /> <br />Single Engine 555,470 648,000 - 464,480 480,665 <br />Multi-Engine 141,425 78,500 - 72,600 63,745 <br />(TP + TJ) 43,000 50,700 - 26,200 20,325 <br /> <br />Source: Mn/DOT aircraft owners surveys. <br /> <br />5. ~e Distribution of Fleet <br /> <br />About 30% of the entire Minnesota aircraft fleet is more than 25 years old <br />(2). The general age distribution of the existing fleet is shown in Figure 2. <br />Data from 1982 aircraft registration file indicate that more than one-fourth' <br />of all single engine aircraft in Minnesota are more than 39 years old. The <br />average life for a well-maintained single engine aircraft is around 45 years. <br />This indicates that by 2010 about one-fourth of the single engine fleet will <br />eventually be replaced by newer type aircraft. According to recent trends~ <br />these newer aircraft will mo~t probably be equipped with more sophisticated <br />instrumentation. <br /> <br /> Figure 2 <br />Age Distribution of Minnesota Aviation Fleet <br /> <br />5O <br /> <br />1.5 11 12 <br /> <br />6-10 11-15 16-20 21-25 26-30 <br /> <br />Source: 1982 MN Aircraft Registration File <br /> <br />>30 years <br /> <br /> <br />