#WH004
Boeing progresses its 777X certification by reactivating the fourth prototype, WH004, at the Everett facility for crucial brake system tests in Oklahoma. The program, already five years overdue, aims for its first B777-9 delivery next year. - More on hype.aero
Boeing reactivates 4th 777X prototype
The 777-9 certification program is expected to have its fourth test aircraft again.
www.airdatanews.com
April 14, 2025 at 11:01 AM
Hablaba de n° de archivos más que de capacidad. Mucho % de mis carpetas son mp3@128kbps, me parece aceptable vs tener cantidad y variedad. PERO desde que tengo los Sony WH004 he comparado FLAC y mp3@320kbps y aprecio frecuencias que la compresión se come, así que podría hacer el sacrificio.
December 21, 2025 at 11:41 AM
Boeing’s fourth 777-9 test aircraft, WH004, returned to the skies on Wednesday from Paine Field in Everett, Washington. www.airwaysmag.com/new-post/777...
Fourth 777-9 Test Aircraft Flies Again with Full Passenger Cabin
Boeing’s fourth 777-9 test aircraft, WH004, returned to the skies on Wednesday from Paine Field in Everett, Washington.
www.airwaysmag.com
May 10, 2025 at 6:19 PM
NEWS: Boeing nears first new 777-9 flight in five years

(Screenshot from @theaircurrent.com's upcoming iOS app and the launch of our new TAC/Intel platform)
August 4, 2025 at 11:17 PM
Fourth Boeing 777-9 test aircraft returns to the air after a hiatus of more than three years. #777X #Boeing #N779XZ #WH004 www.airdatanews.com/fourth-boein...
Fourth Boeing 777-9 test aircraft returns to the air after a hiatus of more than three years - Air Data News
Boeing finally returned its fourth 777-9 test aircraft to the air on Wednesday. The prototype, registration N779XZ (WH004), took off from Paine Field in
www.airdatanews.com
May 10, 2025 at 12:40 PM
Aircraft, which has not flown since 2021, is expected to join the certification program soon, according to reports. #B7779 #777X #Boeing #N779XZ #WH004 www.airdatanews.com/boeing-react...
Boeing reactivates 4th 777X prototype - Air Data News
The 777-9 certification program is expected to have its fourth test aircraft again.
www.airdatanews.com
April 14, 2025 at 8:09 AM