Flight Phase
The discretionary amount of fuel carried beyond required minimums to address potential delays, weather, or other unforeseen operational factors.
Quick answer: The discretionary amount of fuel carried beyond required minimums to address potential delays, weather, or other unforeseen operational factors.
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The discretionary amount of fuel carried beyond required minimums to address potential delays, weather, or other unforeseen operational factors.
额外（备选）油量 matters because it supports clear communication in Flight Phase contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.
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Questions and answers
In this glossary, 额外（备选）油量 refers to: The discretionary amount of fuel carried beyond required minimums to address potential delays, weather, or other unforeseen operational factors.
In aviation communication, this term appears in contexts such as: "由于航线预计有雷暴，机组加注了额外备选油量。"
额外（备选）油量 matters because it supports clear communication in Flight Phase contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.
额外（备选）油量 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
In this glossary, 额外（备选）油量 is grouped under Flight Phase. Related pages in this category explain adjacent procedures, commands and operational concepts.
This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.
The discretionary amount of fuel carried beyond required minimums to address potential delays, weather, or other unforeseen operational factors.
The crew loaded extra contingency fuel due to forecasted thunderstorms along the route.
额外（备选）油量
由于航线预计有雷暴，机组加注了额外备选油量。
English reference definition
ICAO Doc 9432, FAA PCG
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