Boeing's N779XX

Boeing's 777-9 testbed aircraft, N779XX (c/n 64241, l/n 1574), is returning to KOA, from BFI, for test flights as BOE2.

Boeing's N779XX

Boeing's 777-9 test aircraft, N779XX (c/n 64241, l/n 1574) is making a stop at KOA today from BFI as BOE2. It will perform test flights while based at KOA.

KOA's official Instagram page has a post of N779XX after it arrived.

05 August 2026 UPDATE

N779XX is test flying out of KOA today as BOE2.

12 August 2026 UPDATE

N779XX returned to BFI this morning as BOE2.

Korean Air Orders 103 Boeing Airliners

Boeing announced today that Korean Air has placed an order for 103 airliners. The order consists of: 50 737-10s, 8 777-8Fs, 20 777-9s, and 25 787-10s. Today's order is in addition to Korean Air's 50-plane order (20 777-9s and 20 787-10s, with an option for 10 more) placed this past March.

Further details in this Boeing press release.

Boeing Looking Toward 737-7 And 737-10 Certifications

In an interview with Aviation Week, Boeing CEO Kelly Ortberg announced that both the 737-7 and the 737-10 are on-track to be certified by the FAA by the end of this year. Once certified, Boeing can begin to work on the backlog of 1,200 737-10s, and 332 737-7s on order. Boeing is also close to having the 777-9 certified as well.

Regarding airlines in the Pacific Rim, for the 737-7, only Ruili Airlines has two on order; and for the 737-10, these airlines have them on order: Virgin Australia (13), Skymark Airlines (3), Lion Air Group (50), Malaysia Airlines (12), Okay Air (3), Donghai Airlines (10), and Vietjet Air (106).

Further details in this Reuters article.

Boeing's N779XY Grounded

Boeing announced today that they are grounding all four 777-9 test bed airliners as a thrust link mount component in one of the General Electric GE9X engines on N779XY was discovered. That 777-9 is still at KOA, and the defect was found after a certification flight.

Further details in this Aviation Week article.

31August 2024 UPDATE

N779XY was due to return to PAE, but according to Instagram's @boeing777xlovers post, N779XY is still at KOA.

06 September 2024 UPDATE

N779XY performed a round-trip test flight from KOA.

08 September 2024 UPDATE

N779XY departed for BFI this morning as BOE3.

Boeing's N779XY

Boeing has flown N779XY (c/n 65799, l/n 1581), one of their three 777-9 testbed aircraft from TLC [Toluca International Airport, Toluca, México] to KOA, as BOE3, for further test flights for certification.

Boeing's N779XX

Boeing is flying N779XX (c/n 64241, l/n 1574) from PAE to KOA for test flights around the Hawaiian Islands, and testing the nacelle cooling system. This 777-9, the second testbed built, is flying as BOE2. It's not known how long it will be here.