I believe 100032 is in Denmark and 100503 is at RAFM Cosford with 100502 these aircraft where handled by John Bagley in the late 1960’s. The Aeroplane Collection acquired theres is 1969 through same route.
100502 is with The Aeroplane Collection and is displayed at the RAF Millom Aviation & Military Museum.
Avro Avian G-EBZM
The Avian is now at the Museum of Science & Industry in Manchester and is still owned by The Aeroplane Collection. Foggy