Chartered for acoustic testing: Skytaxi Boeing 767-281(BDSF) SP-MRF

Upon completion of the construction of Aircraft Engine Ground Running Enclosure at Cambridge Airport, Marshalls Aerospace & Defence Group "chartered" a 34-year-old widebody aircraft for acoustic testing. Boeing 767-281(BDSF) SP-MRF, operated by the Polish charter airline SkyTaxi, arrived on July 29, 2019 at 07:30 UTC and stayed for five days, doing engine runs in the new enclosure and on the runway.