Up to 2011 there were no O-2's known to exist. However, in 2011 the wreckage of  O-2H 29-163 that crashed out of Kelly Field Texas on March 16, 1933 has been positively identified. The rear and central/forward portion of the fuselage behind the firewall, wing attachments and landing gear parts, tailplane and many engine parts and eight of the twelve pistons are now recovered.
Up to 2011, there were no O-2's documented. However, in 2011, the wreckage of O-2H 29-163 that crashed out of Kelly Field, Texas on March 16, 1933 has been confirmed. The rear and central/forward portion of the fuselage behind the firewall, wing attachments and landing gear parts, tailplane and many engine parts and eight of the twelve pistons are now recovered.