Details of the Wairarapa hot air balloon tragedy will be revealed in an interim report this morning.
The pilot and 10 passengers died when the balloon collided with power lines and caught fire near Carterton on January 7. There were no survivors.
The Transport Accident Investigation Commission will this morning release an interim report on its investigation into the crash.
The report will outline the facts so far and set out continuing lines of inquiry, but will not provide an analysis of what happened.
A full report is due next March.