最終更新日：2025/12/06
(aviation) The lowest flight level above the transition altitude; depends on the transition altitude and the measured or calculated sea-level atmospheric pressure. The flight level at which a descending aircraft's barometric altimeters are reset from a constant setting of 1013.25 hectopascals to the setting corresponding to the actual measured or calculated atmospheric pressure at mean sea level.
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transition level
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元となった辞書の項目
transition level
名詞
不可算名詞
通常
(aviation)
The
lowest
flight
level
above
the
transition
altitude;
depends
on
the
transition
altitude
and
the
measured
or
calculated
sea-level
atmospheric
pressure.
The
flight
level
at
which
a
descending
aircraft's
barometric
altimeters
are
reset
from
a
constant
setting
of
1013.25
hectopascals
to
the
setting
corresponding
to
the
actual
measured
or
calculated
atmospheric
pressure
at
mean
sea
level.
日本語の意味
航空における「transition level」とは、移行高度より上に位置する最も低い飛行レベルのことを指します。これは、降下中の航空機において、機体の大気圧計が標準値（1013.25ヘクトパスカル）から、実際の平均海面大気圧に基づいた設定に切り替えられる飛行レベルとなります。
意味（1）
(aviation)
The
lowest
flight
level
above
the
transition
altitude;
depends
on
the
transition
altitude
and
the
measured
or
calculated
sea-level
atmospheric
pressure.
The
flight
level
at
which
a
descending
aircraft's
barometric
altimeters
are
reset
from
a
constant
setting
of
1013.25
hectopascals
to
the
setting
corresponding
to
the
actual
measured
or
calculated
atmospheric
pressure
at
mean
sea
level.
（ plural ）
