On 22 December 1951 a SNCASE Languedoc four-engined airliner of Misrair operating an international scheduled passenger flight from Baghdad Airport, Iraq to Tehran, Iran crashed whilst attempting to land at Tehran Airport during a snowstorm.

The aircraft was SNCASE Languedoc msn 41, registration SU-AHH.

[1] The aircraft, operating an international scheduled passenger flight from Baghdad Airport, Iraq to Tehran Airport was reported to have crashed 10 nautical miles (19 km) west of Tehran in a snowstorm.

Seventeen passengers were listed, but two of them had not boarded the flight in Baghdad.

[2] Four members of the Technical Cooperation Administration (TCA), which oversaw the Point Four Program, were killed, including director American Henry G.