The term "North American NA-116" does not correspond to a widely recognized or documented aircraft, military system, or model within established historical or technical references related to North American Aviation or other major aerospace manufacturers. North American Aviation, a prominent U.S. aircraft manufacturer active in the 20th century, is known for producing aircraft such as the P-51 Mustang, B-25 Mitchell, and the T-6 Texan, among others. Its designations typically follow a pattern using model numbers (e.g., NA-73, NA-16), with many assigned internally before receiving military designations.
The designation "NA-116" does not appear in authoritative aviation history sources, official records, or manufacturer documentation accessible through standard encyclopedic references. As such, there is no verifiable information confirming the existence, purpose, or specifications of a North American NA-116.
It is possible that "NA-116" could reference an internal project number, a proposed design, or a misattribution. However, without reliable documentation, this remains speculative. Due to the absence of credible sources, the term is considered to have insufficient encyclopedic information.