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Dassault praises 'extraordinary efforts' of suppliers to 6X
Monday, 13 July 2020
A first flight early next year is still on the cards for Dassault's Falcon 6X business jet. Three pre-production aircraft will take part in flight certification, the first of which has been powered up and entered ground testing.

Dassault Aviation says it is making steady progress toward an early 2021 planned first flight for its latest and roomiest aircraft, the Falcon 6X, despite the upheaval caused by the coronavirus epidemic.

"Bringing the Falcon 6X to market on schedule is a top priority for the company. Our planning and production staff have been diligent and resourceful in adapting procedures to new sanitary guidelines to keep this program running smoothly," says Dassault Aviation Chairman and CEO Eric Trappier. "Our suppliers have also made extraordinary efforts to support us. We are grateful to them all."

The first of the three pre-production aircraft that will take part in flight certification has been powered up and has entered ground testing. Aircraft 2 and 3 are in advanced stages of assembly and long cycle parts production for serialized production has already begun. Certification and entry into service are set for 2022, in keeping with the original timetable. The second aircraft recently had its wings mated to the fuselage and the third aircraft is in the early stages of final assembly. Each will be heavily instrumented and, like aircraft 1, will be capable of performing aerodynamic, performance and systems testing.

Aircraft 3 will receive a full interior to evaluate systems functionality, acoustics, airflow, comfort and other factors. Interior furnishings, environmental systems, electronics and other equipment are currently being tested in a ground test rig prior to installation on the aircraft.

Electric, hydraulic and fuel system tests have been completed and testing of the Falcon 6X's advanced digital flight control system have begun. Ground fatigue and damage tolerance testing has also been initiated. This test cycle will later be extended to include stress testing to maximum load limits and beyond.

The Falcon 6X offers the largest cabin cross section of any purpose-built business jet (6'6" tall by 8'6" wide) and its 5,500 nautical mile range capability allows it to connect far flung routes such as Paris to Tokyo or Los Angeles to Moscow. The new twinjet is also equipped with the latest innovative technologies, including a new-generation Digital Flight Control System (DFCS) that provides unmatched maneuverability in flight. The new DFCS controls all moving surfaces including a new multifunction control area called a flaperon, adapted from Dassault fighter aircraft.

Assembly of Falcon 6X engines and nacelles is ramping up in parallel with aircraft production.

The aircraft's Pratt & Whitney Canada PW812D engine completed an initial airborne test campaign earlier this year aboard Pratt & Whitney's Boeing 747 testbed aircraft and a second series of flight tests are scheduled this summer. To date the PW812D has accumulated over 200 hours in the air and more than 1,600 hours on the ground. It has also completed initial certification tests, including bird strike, ice ingestion and blade-off tests.

The PW1200G core engine shared by the PW812D has accumulated more than 16,000 hours running time. The PW800 series exceeds ICAO standards for NOx emissions by a double-digit margin and generates ultra-low levels of unburned hydrocarbons and smoke. The PW812D will meet future CO2 regulations and achieve Stage 4 noise requirements with significant margin.

Production operations at Dassault's Bordeaux-Merignac, France main assembly facility are now back to normal after a brief disruption due to the Covid-19 crisis. The company used the time to devise safer procedures with smaller crews on the production floor, now working once again in two shifts.

The Dassault flight test team is currently coordinating with EASA and the FAA to finalize the flight test and validation program.

Contact details from our directory:
Dassault Aviation Airframer
Pratt & Whitney Canada Turboshaft Engines, Turboprop Engines, Auxiliary Power Units, Turbofan Engines, Compressors, Engine Parts
Related aircraft programs:
Dassault 6X