An abbreviation for the Navy’s “Operational Plane Prototype Plan”, or 「実用機試製計画」(Jitsuyōki Shisei Keikaku), shortened to 「実計」(Jikkei).
An abbreviation for the Navy’s “Operational Plane Prototype Plan”, or 「実用機試製計画」(Jitsuyōki Shisei Keikaku), shortened to 「実計」(Jikkei).