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US Army Chinooks to benefit from engine upgrade

12th October 2020 - 17:00 GMT | by The Shephard News Team

Repair and overhaul work on the T55-GA-714A engine will now take place in the same location as new engine production

The US Army has awarded Honeywell a five-year contract for full overhaul and repair of T55-GA-714A engines that power its CH-47F Chinook helicopters.

The maximum value of the indefinite-delivery/indefinite-quantity contract was undisclosed.

‘This contract award will ensure that the US Army's Chinook fleet has spare engines to sustain its future missions and overall readiness,’ the company noted in a 12 October statement.

The engines will be serviced at a new maintenance facility in the Phoenix HQ of Honeywell Aerospace. This means that repair and overhaul work on the T55-GA-714A engine will now occur in the same location as new engine production.

As a result, resources can be shared between both engine lines ‘for a potential surge output of 20 engines per month that can be delivered to the US Army, foreign military and commercial customers’, Honeywell noted.

Honeywell claims its latest T55 engine improvement programme will increase power from 4,777shp today to 6,000shp. The company added that this will allow the CH-47F to increase its useful load at higher density altitudes and will further reduce maintenance hours with the introduction of a newly designed compressor and accessory drive gearbox.

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