Function and reliability testing of the Airbus Military A400M airlifter will start about a month late due to concerns with one of the aircraft’s four TP400D turboprop engines. The so-called F&R period, during which a near-production-standard aircraft has to accumulate 300 flight hours and show it is fit for service, is key to securing full-type certification from the European Aviation Safety Agency. The aircraft recently received its restricted type certificate, indicating regulators ...


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