IDF to replace 40 yr-old Sikorsky ‘Yasur’ helicopters with Boeing’s Chinook

Boeing’s CH-47 Chinook will have advanced design composite rotor blades, allowing for the maximum gross weight to increase from 50k pounds to 54k pounds and its payload to increase from 19,278 lb to 22,207 lb.



The IDF Ground Forces Command plans to recommend Boeing’s CH-47 Chinook tandem-rotor helicopter to the Israel Air Force as it modernizes its heavy-lift helicopter fleet, a senior officer has said.

Speaking to reporters during a briefing in central Israel last week, the senior officer said the command will recommend the Chinook over Lockheed Martin’s CH-53K King Stallion by Sikorsky, which is the main competition in the contract to replace Israel’s aging Yasur helicopters.

Israel’s aging Yasur helicopters are still used by Special Forces and Search & Rescue teams of the IDF – Photo: Israel Air Force,Facebook

The Yasur helicopters were first used by the IAF in 1969 and are the air force’s primary aircraft to transport soldiers and are used regularly. While they have been upgraded with 20 new electronic systems and missile defense systems, the IAF will still need to replace them by 2025 when they will be over 50 years old.

Both Sikorsky and Boeing have long histories of providing Israel with military equipment and are vying for the contract that will pit the Chinook, a veteran twin-engine, tandem-rotor transport helicopter, against the CH-53K by Sikorsky, the same maker of the Yasur.

Funding for the procurement is to come from part of the memorandum of understanding signed last September between Jerusalem and Washington that would provide Israel with $38 billion in military assistance over the next decade.

The Chinook is an advanced and versatile multi-role and multi-mission helicopter which features a full digital management system in the cockpit. In service in 19 different countries, including Canada, Japan, Italy, Greece, and the United Arab Emirates, it is a heavy-lift helicopter used mainly for troop transport, artillery placement and battlefield resupply.

A Canadian Boeing CH-47 Chinook is seen. The IDF recommends that the IAF replace its aging Yasur fleet with these Boeing tandem-rotor transport helicopters. – Photo: Wikimedia Commons

According to Boeing, the current modernization programs will ensure that the Chinook will continue flying in the US Army fleet (US Army, US Army Reserve, National Guard) through the 2030s.

The company also started development of an upgrade of the US Army’s CH-47 Chinook fleet, with plans for delivering to the US 542 upgraded helicopters from 2023 into the 2040s. Along with structural modifications, these aircrafts will have new advanced design composite rotor blades that will allow for the maximum gross weight to increase from 50,000 pounds to 54,000 pounds and its payload to increase from 19,278 pounds to 22,207 pounds.


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