Boeing just revealed that, its fourth B777X test airplane (N779XZ), that was responsible for ETOPS tests has crossed 100 flight hours , while the Fleet of four aircrafts crossed 1250 flight hours.
Boeing quoted today,
The fourth 777X test airplane has surpassed 100 flight hours. Photo by: Boeing #777X #777XFT
So what are the tests Boeing doing for the Certification process ?
► Avionics,
► Brakes,
► Flutter,
► Icing,
► Stability,
► Control and Low-Speed Aerodynamics,
► Auto-Land,
► Ground effects,
► Auxiliary Power Unit,
► Flight Loads ,
► Propulsion System performance,
► Environmental Control system,
► ETOPS,
► Noise,
► General functionality AND Reliability.
| BOEING 777X - FLIGHT TEST PROGRAM | ||||||||||||
| AIRCRAFT REG | FIRST FLIGHT | TOTAL FLIGHT TIME (hh:mm) | TOTAL FLIGHTS | KEY ROLES IN THE TESTING PROCESS | ||||||||
| N779XW | 25-Jan-20 | 671:48:00 | 438 | AVIONICS, BRAKES, FLUTTER, ICING, STABILITY, CONTROL AND LOW-SPEED AERODYNAMICS | ||||||||
| N779XX | 30-Apr-20 | 481:43:00 | 245 | AUTO-LAND, GROUND EFFECTS, STABILITY AND CONTROL | ||||||||
| N779XY | 3-Aug-20 | 24:10:00 | 7 | AUXILIARY POWER UNIT, AVIONICS, FLIGHT LOADS AND PROPULSION PERFORMANCE | ||||||||
| N779XZ | 20-Sep-20 | 102:00:00 | 35 | ENVIRONMENTAL CONTROL SYSTEM, ETOPS, NOISE AND GENERAL FUNCTIONALITY AND RELIABILITY | ||||||||
| TOTAL | 1279:41:00 | 725 | ||||||||||
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Picture - Jennifer Schuld
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