6. Calculate estimated remaining life of Ryanair aircrafts. Please comment on the obtained result (What is the probability of the fleet renewal in the nearest time? How good is the quality of Ryanair's asset base?) Aircraft EM Year ended March 31, 2015 Cost At March 31, 2014. Additions in year 6,815.7 777.0 Disposals in year. (54.6) I At March 31, 2015. 7.538.1 Depreciation At March 31, 2014. 1.814.6 Charge for year 367.7 Eliminated on disposal. (54.6) At March 31, 2015. 2.127,7 Net book value At March 31. 2015 5.410.4