I have only just got round to reading the AAIB Bulletin for November. Apart from the unusual number of accidents resulting from bounced landings one incident is of interest.
Just purely out of interest in what way would a Pup passenger door opening in flight result in an (apparent) inability to maintain height.
Edited to say how did Pulse1 end up as Post No 1 when at 0734 this morning he posted an answer to my OP about 6 hours before I asked the question

Come on give us some lottery numbers!