Does anyone know why Pakistan bought so many Saab 2000 Erieye instead of Chinese systems?
Pakistan’s acquisition of the Saab Erieye preceded its deployment of the ZDK-03 Karakoram Eagle. The Erieye was ordered in the mid-2000s, with deliveries commencing around 2009–2010. This marked the Pakistan Air Force’s (PAF) entry into modern airborne early warning and control (AEW&C) capabilities.
The Erieye system offered robust radar range, high-altitude performance, and seamless integration with Pakistan’s command, control, and air defense infrastructure capabilities especially vital along the country’s eastern frontier.
The ZDK-03, equipped with a dorsal radar dome, was introduced a few years later to diversify PAF’s AEW&C fleet and enhance strategic cooperation with China. It was not intended to replace the Erieye but to complement it. While it proved useful in specific roles, the ZDK-03 reportedly faced performance limitations, particularly in radar resolution and high-altitude functionality, which eventually limited its appeal.
More recently, Pakistan acquired four Erieye-ER variants featuring advanced GaN-based AESA radars. These upgraded systems offer a detection range of around 650 kilometers, significantly surpassing earlier models. There are also unconfirmed reports that older Erieyes are either undergoing or will soon receive mid-life upgrades to ER standards, likely at the Kamra Aviation Complex.
Pakistan’s Erieye fleet is currently estimated at 10 to 12 aircraft, making it one of the most sizable AEW&C forces in the region. The Erieye now forms the backbone of Pakistan’s early warning and air defense strategy, providing continuous surveillance over both eastern and western airspace.
There are also unconfirmed reports that the retired ZDK-03 aircraft may have been returned to China for possible upgrades to the KJ-500 or KJ-700 standard. These advanced platforms incorporate fixed AESA radars, superior processing capabilities, and enhanced network integration, a significant boost if the rumors are accurate.
The Erieye’s dominant position within the PAF is not merely due to preference but reflects its superior operational integration. While the Erieye and ZDK-03 were designed for different roles, the Erieye has emerged as the primary AEW&C asset, with the ZDK-03’s future seemingly linked to potential Chinese platform upgrades.
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