All of this only goes to show how in certain countries, checking things on the websites of official bodies cannot be relied on. If you care to check on the TCAA website today, you won't find 5H-EXV listed either. This is the SAR AW139 which is still based in Dar es Salaam and on SAR standby on contract to Statoil!
The Helihub contributor might have done better just to enquire of Everett or Bristow before publishing