TY - JOUR AB - OVER a time span of some 20 years from now, S.T.O.L., V.T.O.L., and V/S.T.O.L. aircraft, having a wide variation in configuration, size and performance, may be expected to be developed. Over the same time scale, it is quite certain that the Air Traffic Control environment will change — considerably if it is to have any hope of catering for the new type of aircraft. VL - 43 IS - 1 SN - 0002-2667 DO - 10.1108/eb034715 UR - https://doi.org/10.1108/eb034715 PY - 1971 Y1 - 1971/01/01 TI - Area Navigation and Air Traffic Control: The need for an accurate three‐dimensional navigational facility for the full utilisation of airspace in the future T2 - Aircraft Engineering and Aerospace Technology PB - MCB UP Ltd SP - 22 EP - 23 Y2 - 2024/04/16 ER -