Ayronautica:
2 De Kroonduif Scottish Aviation Twin Pioneers
Ayronautica:
JZ-PPW. De Kroonduif Scottish Aviation Twin Pioneer Srs.3
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JZ-PPY. De Kroonduif Scottish Aviation Twin Pioneer Srs.1
Ayronautica:
JZ-PPZ. de Kroonduif Scottish Aviation Twin Pioneer
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JZ-PPX. De Kroonduif Scottish Aviation Twin Pioneer Srs.1