A blog on New Zealand Civil Aircraft.
Bottom one is a Vans RV-4.
Good start there frankv.1/4 way there.
Top one is Pitts S2 ZK-PITBottom one is RV4 ZK-PIT
Whoops!Bottom one is RV4 ZK-SIM
Sir Minty has the bottom one correct. RV-4 ZK-SIM.Top one however is not a Pitts of any sort !