Honeywell wins major contract to provide engines for Army Chinook helicopters Honeywell Honeywell last year opened a new T55 engine Repair and Overhaul Center of Excellence facility near its Honeywell Aerospace headquarters in Phoenix. By: Jeff Gifford - Phoenix Business Journal Posted at 8:54 AM, Mar 12, 2021 and last updated 2021-03-12 10:54:14-05 PHOENIX â Phoenix-based Honeywell Aerospace will continue to be a key player in the U.S. Armyâs CH-47 Chinook program after winning a new four-year, $476 million contract for new production and spare engines for the helicopters. The indefinite delivery, indefinite quantity contract means Honeywell (NYSE: HON) will provide T55-GA-714A engines for Boeingâs Philadelphia production line, which supplies the Army and foreign partner nations. The contract will also provide spares for the Armyâs existing Chinook fleet.