It seems that these latest descriptions are based on information of accident investigators after interviews with surviving passengers.
The investigators have established that the Fairchild Metroliner’s right wing-tip hit the runway on landing, flipping the aircraft onto its roof, before it slid 190 metres along the runway, veering off to a muddy verge. Its right wing ruptured, spilling fuel onto the hot engine and sparking a fire. (...) Investigators said it would appear at this stage that the aircraft was operating normally until it hit the ground. "The wing touch was early on in the sequence," Air Accident Investigation Unit (AAIU) deputy chief inspector Graham Liddy said.
FINAL MOMENTS | Irish Examiner