qnh 中文意思是什麼
qnh
解釋
海平面氣壓；氣壓撥正值-
Clr : alitalia 793 is cleared to destination zbtj, flight planned route. flight level four thousand five hundred meters. departure runway 36 left, vm two departure, initially maintain one thousand five hundred meters on qnh. departure frequency 119 decimal squawk 0007
義大利拐九三可以放行至天津濱海，使用跑道三六左，按計劃航路飛行，航路高度四千五。 -
Originating airport name, metar speci issue time, wind direction speed gust, wind direction variation, visibility, runway visual range, weather during time of observation, cloud, air temperature dew - point, qnh pressure measured at airport with adjustment made to suit aeronautical use, weather during the past hour but not at time of observation, wind shear information, trend - type landing forecast
發出資料的機場名稱發出metar speci的時間風向風速陣風風向轉變能見度跑道視程觀測時的天氣雲層氣溫露點qnh在機場錄得的氣壓，經調整以配合航空用途過去一小時但非觀測時的天氣風切變資料飛機降落用的趨勢預測。 -
Originating airport name, metarspeci issue time, wind directionspeedgust, wind direction variation, visibility, runway visual range, weather during time of observation, cloud, air temperaturedew - point, qnh ( pressure measured at airport with adjustment made to suit aeronautical use ), weather during the past hour but not at time of observation, wind shear information, trend - type landing forecast
Metarspeci電碼包含趨勢預測，即預測未來兩小時內天氣的轉變，而且更利用特別標號（視乎情況，標號可以是ttttt = becmg或tempo ）又或是nosig ，來指明轉變。 （ becmg意指逐漸轉變； tempo意指間中； nosig意指並無顯著轉變。 ） -
Descend to 4000 feet, qnh 1001, no delay for ils approach runway 31
下降至4000英尺，標準氣壓1001毫巴，盲降進近不要延誤跑道31號。 -
Continue approach, qnh 1014, surface wind at touchdown is northerly less than 5 knots, at the south east end 070 degrees at 8 knots
繼續進近，氣壓1014毫巴，降落點風速小於5節，東南頭風向70度8節。 -
Air temperature 17 degree celsius ; dew point 16 degree celsius ; qnh 1018 hpa
氣溫攝氏17度露點攝氏16度qnh 1018 hpa百帕斯卡 -
In aviation, specify terms such as qfe, qnh and qff are used to describe the air pressure according to different applications
航空界因應不同的運作需要，使用特定名詞如qfe qnh和qff等來形容氣壓。 -
Qnh is the pressure at mean sea level, reduced from qfe by applying corrections according to the international civil aviation organisation s standard atmosphere
Qnh是海平面氣壓，根據國際民航組織所訂立的標準大氣將qfe轉換而成。
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