时间:2011-08-28 11:47来源:蓝天飞行翻译 作者:航空 点击:次
HSI. See horizontal situation indicator. HUD. See head-up display. Human factors. A multidisciplinary .eld encompassing the behavioral and social sciences, engineering, and physiology, to consider the variables that influence individual and crew performance for the purpose of optimizing human performance and reducing errors. Hypoxia. A state of oxygen de.ciency in the body suf. cient to impair functions of the brain and other organs. IAF. See initial approach . x. IAP. See instrument approach procedures. IAS. See indicated airspeed. ICAO. See International Civil Aviation Organization. Ident. Air Traffic Control request for a pilot to push the button on the transponder to identify return on the controller’s scope. IFR. See instrument . ight rules. ILS. See instrument landing system. ILS categories. Categories of instrument approach procedures allowed at airports equipped with the following types of instrument landing systems: ILS Category I: Provides for approach to a height above touchdown of not less than 200 feet, and with runway visual range of not less than 1,800 feet. ILS Category II: Provides for approach to a height above touchdown of not less than 100 feet and with runway visual range of not less than 1,200 feet. ILS Category IIIA: Provides for approach without a decision height minimum and with runway visual range of not less than 700 feet. ILS Category IIIB: Provides for approach without a decision height minimum and with runway visual range of not less than 150 feet. ILS Category IIIC: Provides for approach without a decision height minimum and without runway visual range minimum. IMC. See instrument meteorological conditions. |