Honeywell lands at Boeing Field the week of a major engine contract renewal and testbed milestone

Honeywell flew from Charlotte Douglas International Airport to King County International Airport—Boeing Field—on June 5, 2026, a 4-hour-53-minute hop in its Dassault Falcon 8X, tail number N988H. The arrival at KBFI, a frequent stop for Honeywell, comes just days after the company announced a comprehensive settlement with Flexjet and a renewed aircraft engine maintenance agreement extending through 2035, per a Honeywell press release on January 21, 2026.

The same week, Honeywell’s unique Boeing 757 testbed, N757HW, marked 40 years since it first rolled off Boeing’s assembly line, as reported by Flying Magazine. The aircraft, based at Phoenix Sky Harbor and used to develop and qualify Honeywell engines and avionics, has logged more than 3,000 flight-test hours and traveled to over 30 countries. The Falcon 8X’s visit to Boeing Field—home to Boeing’s commercial airplane operations—suggests discussions around the 737MAX return-to-service updates, for which Honeywell provides key systems like the Integrated Multi-Mode Receiver and weather radar, according to Honeywell’s aerospace site.

This trip follows a pattern: Honeywell’s Falcon 8X visited Boeing Field on June 3, and its testbed was there on May 15. With the Flexjet contract resolved and the testbed still in active service, Honeywell’s Seattle presence underscores its role as a critical supplier to Boeing’s commercial and business aviation programs. No public events or appearances by CEO Vimal Kapur were noted, but the timing aligns with a period of renewed partnership and technical validation. [honeywell.gcs-web.com](https://honeywell.gcs-web.com/static-files/223e8937-a2bb-40f5-b373-02d5f7a027ef) [flyingmag.com](https://www.flyingmag.com/honeywells-boeing-757-testbed-turns-40/) [aerospace.honeywell.com](https://aerospace.honeywell.com/us/en/pages/737max)