PTO-4

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The PTO-4 was an Estonian-designed military aircraft of World War II.

  • Inventors: Voldemar Post, Richard Tooma and Otto Org
  • Manufacturer: Aviotöökoda, Tallinn
  • Performances:
  • Power Plant:
  • One De Havilland Gypsy of 120 hp.
  • In Use:
  • Estonia
  • Germany (four examples)
  • Versions:
  • PTO-4:Low wing Monoplane, with two seats, landing gear fixed or with sledges.
  • Total Production: 8 examples.

The Estonian Air Force received one example of each model, with open or closed cockpit (No 161 and 162) and in civil use were 6 exemplars (ES-EAK, ES-EAL, ES-EAM, ES-EAN, ES-EAO and ES-EAP). Four examples surviving from the Estonian Soviet Annexation (1940-41), later served in the German Luftwaffe, in a Staffeln of Estonian volunteers (1./SAGr.127 with base in the Reval-Ülemiste airfield), in training, liaison and submarine-watching in the Baltic.

[edit] See also

  • PON-1
  • PON-2
  • PN-3

[edit] External link

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