推荐回答（5个）
楼上又是一群不懂装懂的
单座一般大多为制空战机
而双座多为教练机和战斗轰炸机或者侧重对地攻击能力的多功能战机
可以看看双座都有哪些 以美军战机为例 一般每种型号的战机都会出2个版本 即为A/B 升级以后则为C/D 一般后面的就是对地攻击型或者说多功能型 前面就是空优型
美国第三代战机的F－14A、F－15A、F－16A、F－18A都是单座型，而对应的F－14B、F－15B、F－16B、F－18B则都是双座型
再看俄式战机 双座的 苏30系列 战轰
中国也是 歼轰-7
不知道你说的优势指的是什么
如果说对空的话 那同型号单座战机的能力和双座其实区别不大 但可能因为空间的原因 单座的下视和后视能力更好一些
如果说对面攻击的话 那绝对是双座占优势 因为其将武器员和驾驶员的职能分离 可以将精力投入相同的事情 效率上提高不少 而且双座战机在长途奔袭也占据优势 双人可以很大的缓解飞行员压力
不过因为航电系统技术的飞速发展，除了空优这类相对简单的任务外，象对地攻击这类复杂的任务也能依靠单座型就能完成 。
望采纳！！
如果是单人驾驶，一般都是空战用的，比如F15C🦅，歼11B侧卫，歼10C/B/A猛龙，台风，阵风等如果要对地攻击或者反舰再加上低强度空战以及电子战对单座战斗机的驾驶员的负荷太大，所以用双人驾驶，减轻负担，一般有F15E/K/SG攻击🦅，F18D/F型C/E是单座版超级/大黄蜂，歼11BS，歼16炸弹卡车，苏30侧卫C，阵风B，EA18G咆哮者，歼轰-7A飞豹等，但是两种类型并没有多大优势，单座一般都是进行夺取制空权，（F16例外）对其它作战能力相对较弱，而双座战机在增强多任务能力时也削减了部分空战能力，比如美国F15E在增强对地攻击能力时灵活性还不足原本的F15C，但对付中等偏高的空战还可以应付，苏30同样也差不多，而使用三翼面的苏30MKI/SM2等因为有一对小鸭翼支持，机动性跟原版的双座苏27差不了多少，如果是单纯的空战，单座的制空机占优势，而对地攻击反舰，电子战和侦查等任务交给双座战斗轰炸机或者是双座多用途战机，而现在多用途战机越来越多，比如歼16在加强多任务能力的同时，空战能力还得到了增强，可以应对各种战斗，但是对抗五代机还是吃力
一架双座战斗机，后座飞行员都在干什么？无聊时看看杂志
双座就以以为一个可以用红外雷达和后视镜打击敌人 另外一个完全可以认真开飞机 要是捣蛋跟踪有显示当然
这要看具体用途。
对于多任务战斗机来说，任务繁重，单人无法承受，所以采用双人操作。
对于制空战斗机来说，单人就够用了，于是设计成单座的。
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