The Nord NC.850 (originally produced as the Aérocentre NC.850) was a light aircraft developed in France in the late 1940s for use by French aeroclubs, but which also saw military use as an airborne observation post.

[1][2] The NC.850 series was developed from the Aérocentre NC.840 in response to a competition sponsored by the French government under the auspices of the SALS movement to find a domestically produced machine for club use.

[2][3] Aérocentre's entry was an ungainly high-wing, strut-braced monoplane with a fully enclosed cabin and fixed, tailwheel undercarriage.

[2] These production examples, designated NC.853, differed from the prototypes in having twin tails, the fins mounted on the ends of the horizontal stabiliser.

In March 1951, Nord flew a heavily modified version of the design for use as an observation aircraft by the French Army.