PTO-4

PTO-4

The PTO-4 was an Estonian-designed military training 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.

In 1938, Estonian constructors Voldemar Post, Rein Tooma and Otto Org built the PTO-4 training aircraft after their own design. The aircraft could fly at a maximum speed of 245 km per hour and had a ceiling of 5,000 meters. On 12 October 1938, the PTO-4 was taken into service of the Air Force.

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.

ee also

*PON-1
*PON-2
*PN-3

External links

* [http://www.post.ee/?id=1595&prod_id=66 Estonian Postage Stamp]


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