Altitude in NOTAMs is expressed in which of the following?

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Multiple Choice

Altitude in NOTAMs is expressed in which of the following?

Altitude in NOTAMs uses a fixed reference to mean sea level and is given either in feet or as a flight level. A flight level (FLxxx) represents a standardized pressure altitude, based on the international standard atmosphere (1013.25 hPa), and is used above the transition altitude to keep vertical positions consistent worldwide. When altitudes are simply stated in feet, they are still relative to mean sea level. This avoids ambiguity from local terrain or local pressure settings. Units like meters, feet above ground level, or kilometers above sea level aren’t the standard convention for NOTAM altitude.

Altitude in NOTAMs uses a fixed reference to mean sea level and is given either in feet or as a flight level. A flight level (FLxxx) represents a standardized pressure altitude, based on the international standard atmosphere (1013.25 hPa), and is used above the transition altitude to keep vertical positions consistent worldwide. When altitudes are simply stated in feet, they are still relative to mean sea level. This avoids ambiguity from local terrain or local pressure settings. Units like meters, feet above ground level, or kilometers above sea level aren’t the standard convention for NOTAM altitude.

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