航空器的分类Classification of Aircraft
一、按照航空器的大小分类
Classification according to aircraft size
最大起飞重量 60000 千克（不含）以上的航空器是大型航空器；
Aircraft with a maximum take-off weight of more than 60000 kg are large aircraft;
最大起飞重量为 20000~60000 千克的航空器是中型航空器；
Aircraft with a maximum take-off weight of 20000~60000 kg are medium aircraft;
最大起飞重量 20000 千克（不含）以下的航空器为小型航空器。
Aircraft with a maximum take-off weight of less than 20000 kg (excluding) are small aircraft.
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二、按照航空器的尾流强弱程度分类
Classification according to aircraft wake intensity
重型航空器：最大起飞重量大于或等于 136000 千克的航空器，用大写字母 H 表示；
Heavy aircraft: aircraft with maximum take-off weight greater than or equal to 136000 kg, represented by capital letter H;
中型航空器：最大起飞重量在 7000~136000 之间的航空器，用大写字母M表示；
Medium aircraft: aircraft with maximum take-off weight between 7000kg and 136000kg, expressed with capital letter M;
轻型航空器：最大起飞重量在小于或者等于7000 千克的航空器，用大写字母 L 表示。
Light aircraft: an aircraft with a maximum take-off weight of less than or equal to 7000 kg, which is represented by a capital letter L.
前机是波音 757 型时，按照前机为重型机的尾流间隔执行。
When the front aircraft is a Boeing 757, it shall be executed according to the wake interval when the front aircraft is a heavy aircraft.
A380 机型按照《空中客车 A380 机型尾流类型及尾流间隔标准的规定》执行。
The A380 aircraft shall comply with the Regulations on Wake Type and Wake Interval Standard of Airbus A380 Aircraft.
三、按照航空器的仪表进近速度分类
Classification according to aircraft instrument approach speed
A类：IAS小于 169 千米/小时（91 海里/小时）
Category A: IAS less than 169 km/h (91 knots)
B类：IAS为 169 千米/小时（91 海里/小时）或以上，但小于 224 千米/小时（121 海里/小时）
Category B: IAS is 169 km/h (91 knots) or above, but less than 224 km/h (121 knots)
C类： IAS为 224 千米/小时（121 海里/小时）或以上，但小于 261 千米/小时（141 海里/小时）
Category C: IAS is 224 km/h (121 knots) or above, but less than 261 km/h (141 knots)
D类： IAS为 261 千米/小时（141 海里/小时）或以 上，但小于 307 千米/小时（161 海里/小时）；
Category D: IAS is 261 km/h (141 knots) or above, but less than 307 km/h (161 knots);
E类： IAS为 307 千米/小时（161 海里/小时），但小 于 391 千米/小时（211海里/小时）；
Category E: IAS is 307 km/h (161 knots), but less than 391 km/h (211 knots);
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四、按照航空器翼展和主起落架外轮间距划分
Classification according to aircraft wingspan and main landing gear outer wheel spacing
A类：翼展在 15 米以下，主起落架外轮间距 4.5 米以下；
Category A: wingspan is less than 15m, outer wheel spacing of main landing gear is less than 4.5m;
B类：翼展在 15 米-24 米（不含），主起落架外轮间距 4.5 米-6 米（不含）；
Category B: wingspan of 15m-24m (excluding), distance between outer wheels of main landing gear of 4.5m-6m (excluding);
C类：翼展在 24 米-36 米（不含），主起落架外轮间距 6 米-9 米（不含）；
Category C: wingspan is 24-36m (not included), and distance between outer wheels of main landing gear is 6-9m (not included);
D类：翼展在 36 米-52 米（不含），主起落架外轮间距 9 米-14 米（不含）；
Category D: the wingspan is 36m-52m (excluding), and the distance between the outer wheels of the main landing gear is 9m-14m (excluding);
E类：翼展在 52 米-65 米（不含），主起落架外轮间距 9 米-14 米（不含）；
Category E: wingspan is 52-65m (excluding), and the distance between outer wheels of main landing gear is 9m-14m (excluding);
F类：翼展在 65 米-80 米（不含），主起落架外轮间距 14 米-16 米（不含）。
Category F: the wingspan is 65-80m (excluding), and the distance between the outer wheels of the main landing gear is 14m-16m (excluding).
