IA58A“普卡拉”是第一种双座生产型，阿根廷共生产了108架，后来其中6架卖给了乌拉圭。部分经过改进，在后座的后面加装了一个油箱。IA58B改进型在前机身内加装了30mm机炮，升级了电子设备。IA58B的原型机于1979年5月15日首飞，但未批量生产。IA58C单座型改进了机头，加装了30mm“德发”533机炮，增加两个外翼挂架用于携带“魔术”2空空导弹，已有的挂架能够携带马丁·佩斯卡多反舰导弹，或“魔术”2。电子设备中加装了平显，萨伯RGS-2计算机导航仪，奥米加超低频导航系统，敌我识别装置等。部分IA58A改进成了IA58C。

The IA66 is a IA58A fitted with 1,000-shp Garrett TPE331-11-601W turboprops and first flown in late 1980. Different nacelle with deeper ross-section and intake over propeller shaft. But this type was not placed into roduction.

IA66是在IA58A基础上改装加勒特TPE331-11-601W 1000马力涡扇发动机，1980年后半年首飞。发动机舱、螺旋桨轴处的进气口有一些不同。但此型号也没有投产。

The Pucara attacked the UK Royal Navy & Army in the Falklands War. They were mainly from the Argentina 3rd Attack Group (Grupo 3), about 24 Pucaras to Falklands. Nearly a third of the force was destroyed on the ground by special units of UK. Another quarter was lost to ground fire, accidents, and other causes. The remainder was captured when the British forces seized the Islands. Some were shot down by Sea Harrier fighter. A Pucara shot down a Westland Scout helicopter on 28 May 1982, which the only one Royal aircraft shot down by Argentina Airforce. In the San Carlos area, the Pucara attacked the HMS Ardent with rockets ripping her side open. Warships of the time relied heavily on high use of aluminum for their construction, certainly offering an inviting target for an armor-piercing rocket.

在马岛战争中，“普卡拉”袭击了英国皇家海军和陆军。这些“普卡拉”主要来自阿根廷第三攻击联队，约有24架布置在马岛。但三分之一的“普卡拉”被英军特种部队在机场偷袭摧毁(左图)。另外四分之一则因英陆军的地面炮击、事故和其他原因损失，其余被英军俘获。部分被“海鹞”战斗机击落。1982年5月28日，一架“普卡拉”击落了一架英军威斯特兰直升机，这是唯一一架被阿根廷空军击落的英国作战飞机。在圣卡洛斯地区，“普卡拉”使用火箭弹攻击了英国“阿登”号军舰，洞穿了其船舷。由于当时的战舰结构多数使用铝金属，无法抵挡具有穿甲能力的火箭弹的攻击。

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