1. This plane was the only one of it's type to see service with it's originating country.
2. Four varients were designed but only one would be produced in any quantity.
3. This plane was also used by one other country of alliance until the end of the war.
4. The plane had some similarities to it's westernized counterparts due to the experience of it's designer.
5. This plane had 4 engines.
6. The total number of all variants built was 35.