The Beriev A-50 (NATO reporting name: Mainstay) is a Soviet -origin airborne early warning and control (AEW&C) aircraft that is based on the Ilyushin Il-76 transport plane. Developed to replace the Tupolev Tu-126 "Moss", the A-50 first flew in 1978. Its existence was revealed to the Western Bloc in 1978 by Adolf Tolkachev. [2] .

A-50U是別里耶夫設計局與VEGA無線電系統公司合作的A-50最新改型，各性能均超越美國E-2C，作戰距離更遠巡邏時間從4小時增加到6小時。 裝備了新型雷達系統「熊蜂-M」，A-50U可對敵方 電子反制 武器進行確定與跟蹤， [1] 原來存在的強烈噪音和高頻行蹤問題也有所克服。 加強目標識別、處理速度、無線通信（包括 衛星）、精確導航等功能，探測目標距離和跟蹤目標數量均有所增加，具備俯視功能，可在雜波背景中探測到遠距 轟炸機 及 巡航導彈 等目標。 採用較 …

2024年2月23日 · Incredibly, the Russian air force has lost another one of its rare Beriev A-50M/U Mainstay radar early-warning planes. Video that circulated online on Friday reportedly depicts the A-50’s burning...

2024年2月23日 · Ukraine says it has downed a Russian A-50 military spy plane - the second such claim in just over a month. The plane was hit between the Russian cities of Rostov-on-Don and Krasnodar, Ukrainian...

2024年1月31日 · LAUDERDALE, Fla. — Earlier this month British military intelligence officially confirmed the mid-air explosion of a Russian A-50U surveillance aircraft, which Ukraine says it shot down — in what...

2000年11月7日 · Beriev A-50 Mainstay AEW aircraft. The A-50 carries out patrol missions at an altitude of 5,000 to 10,000 metres. The Schmel M main radar is rumoured to better that of the E-3 Sentry. The radar and guidance systems have the capacity to track 50 to 60 targets simultaneously and to guide 10 to 12 fighter aircraft simultaneously.

2024年3月15日 · Since the start of 2024, Russia has lost two of its A-50 airborne early warning aircraft – shot down by Ukrainian surface-to-air missiles. Kyiv also launched a drone strike deep into Russia targeting an aircraft factory refurbishing the planes. The A-50 is known to Russia as the Beriev A-50 Shmel - or "bumblebee". Nato calls it the Mainstay.

2023年3月10日 · Developed to replace the aging Tupolev Tu-126 "Moss" in the mid-1980s, Russian aircraft manufacturer Beriev designed the A-50 "Mainstay." According to Reuters, a group of Belarusian separatists attacked a Beriev A-50 parked at an airfield near Minsk.

2024年1月15日 · According to the Ukrainian Air Force, an A-50 Airborne Early Warning and an Il-22 airborne command post aircraft were hit yesterday in what would be a major blow for Russia. Ukraine says it shot...

2024年2月23日 · The Ukrainian Air Force said its fighters on Friday shot down a Russian A-50 military spy plane, the second of the prized aircraft that Kyiv has claimed to destroy this year.