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IFR flights use flight levels ending with the number 0: FL50, FL60, FL70, FL210, FL320 ... The cruise altitude or cruise flight level must be chosen using this assigned rule and must follow the semi-circular rule depending on the heading of the aircraft (see next chapter).
Definition. Flight levels [3] are described by a number, which is the nominal altitude, or pressure altitude, in hundreds of feet, while being a multiple of 500 ft, therefore always ending in 0 or 5. Therefore, a pressure altitude of 32,000 ft (9,800 m) is referred to as "flight level 320".
This document is issued by the European Union Aviation Safety Agency (referred to as both ‘EASA’ and ‘the Agency’) to provide its stakeholders with an updated, consolidated, and easy-to-read publication.
4 cze 2018 · The basics: 1. Low Instrument Flight Rules (LIFR): Ceilings are less than 500 feet above ground level and/or visibility is less than 1 mile. LIFR = <500′ and/or <1 mile. In other words, even experienced IFR pilots may have a hard time landing. With these conditions, they’ll break out just above the standard minimums for an ILS approach (200-1/2)
28 sie 2010 · Flight levels are described by a number, which is this nominal altitude (“pressure altitude”) in feet, divided by 100. Therefore an apparent altitude of, for example, 35,000 feet is referred to as “flight level 350”.
1.2.1 Except when necessary for take-off or landing, or except when specifically authorized by the appropriate authority, an IFR flight shall be flown at a level which is at least 1000 FT (300 M) above the highest obstacle located within 8 KM of the estimated position of the aircraft.
Symbols shown are for the Instrument Flight Rules (IFR) Enroute Low and High Altitude Charts.
