Narrative:
The Global 5000 jet, attached to the Executive Transport Wing of the German Air Force (named Flugbereitschaft des Bundesministeriums der Verteidigung) had undergone heavy maintenance at Berlin-Schönefeld Airport, Germany. The torque tube assembly of the aircraft's controls had been wrongly installed, causing a flight control reversal.
The aircraft departed Schönefeld Airport on a Functional Check Flight and the flight crew soon noticed flight control problems. The aircraft entered steep turns and was exposed to forces of up to +5G.
The crew managed to return to Schönefeld Airport where an emergency landing was carried out.
In September 2019 it was announced that the aircraft was damaged beyond repair.
The Global 5000 accident, that took place at Berlin-Schönefeld on April 16, 2019, was the result of a series of omissions and errors that originated in different core areas, and involved many people either directly or indirectly.
The technical error that occurred during the installation and adjustment procedure of the RCIMs [Roll Control Input-Modules] represents the event triggering the accident. The system design further enabled this failure, which allowed the RCIMs to be installed and adjusted in such a manner that the MFS [multi-function spoilers] functioned opposite of the corresponding input, and generated no error messages on the EICAS or the PMAT. Since the maintenance crew relied solely upon the EICAS warnings and the results given by the PMAT, the error remained undetected in the tests following the installation.
Forced landing on runway
» Totalschaden am Kanzlerjet (spiegel.de, 3-9-2019)
| Status: | Accident investigation report completed and information captured |
| Date: | Tuesday 16 April 2019 |
| Time: | 09:30 |
| Type: |  Bombardier BD-700-1A11 Global 5000 |
| Operator: | Luftwaffe |
| Registration: | 14+01 |
| MSN: | 9395 |
| First flight: | 2010 |
| Crew: | Fatalities: 0 / Occupants: |
| Passengers: | Fatalities: 0 / Occupants: |
| Total: | Fatalities: 0 / Occupants: |
| Aircraft damage: | Substantial |
| Aircraft fate: | Written off (damaged beyond repair) |
| Location: | Berlin-Schönefeld Airport (SXF) ( Germany)
|
| Phase: | Takeoff (TOF) |
| Nature: | Military |
| Departure airport: | Berlin-Schönefeld Airport (SXF/EDDB), Germany |
| Köln/Bonn-Konrad Adenauer Airport (CGN/EDDK), Germany |
The Global 5000 jet, attached to the Executive Transport Wing of the German Air Force (named Flugbereitschaft des Bundesministeriums der Verteidigung) had undergone heavy maintenance at Berlin-Schönefeld Airport, Germany. The torque tube assembly of the aircraft's controls had been wrongly installed, causing a flight control reversal.
The aircraft departed Schönefeld Airport on a Functional Check Flight and the flight crew soon noticed flight control problems. The aircraft entered steep turns and was exposed to forces of up to +5G.
The crew managed to return to Schönefeld Airport where an emergency landing was carried out.
In September 2019 it was announced that the aircraft was damaged beyond repair.
Probable Cause:
The Global 5000 accident, that took place at Berlin-Schönefeld on April 16, 2019, was the result of a series of omissions and errors that originated in different core areas, and involved many people either directly or indirectly.
The technical error that occurred during the installation and adjustment procedure of the RCIMs [Roll Control Input-Modules] represents the event triggering the accident. The system design further enabled this failure, which allowed the RCIMs to be installed and adjusted in such a manner that the MFS [multi-function spoilers] functioned opposite of the corresponding input, and generated no error messages on the EICAS or the PMAT. Since the maintenance crew relied solely upon the EICAS warnings and the results given by the PMAT, the error remained undetected in the tests following the installation.
Classification:
Wrong installation of parts Forced landing on runway
Sources:
» Bundeswehr-Jet wird nach Bruchlandung vom April ausgemustert (focus.de, 4-9-2019)» Totalschaden am Kanzlerjet (spiegel.de, 3-9-2019)
Follow-up / safety actions
TC issued 1 Airworthiness Directive
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Photos
Video, social media
Dramatic photo by @aeroTELEGRAPH of @bombardierjets Global 5000 @Team_Luftwaffe German govmt VIP jet nearly spinning out of control at #Berlin SXF today after allegedly faulty maintenance, resulting in near-crash and both wings scraping on the runway #avgeek pic.twitter.com/SVh8spqOex
Andreas Spaeth (@SpaethFlies) April 16, 2019
#Global 5000 der #Flugbereitschaft bei Landung in #Schönefeld mit Bodenberührung beider Tragflächen. Keine Passagiere an Bord. Crew wird medizinisch untersucht. Maschine kehrte aufgrund von Funktionsstörung nach dem Start um. Ursache wird untersucht.#Luftwaffe pic.twitter.com/9vDFM4CgWI
Team_Luftwaffe (@Team_Luftwaffe) April 16, 2019
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Berlin-Schönefeld Airport to Köln/Bonn-Konrad Adenauer Airport as the crow flies is 468 km (292 miles).
Distance from Berlin-Schönefeld Airport to Köln/Bonn-Konrad Adenauer Airport as the crow flies is 468 km (292 miles).
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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