Disambiguation evidence for MD 500 via surface form

"MD 520N"

Triples (2)

Triples where some other subject referred to this entity as "MD 520N".

Hughes MD 500 series → variant →
"MD 520N"
↳ resolves to MD 500
ⓘ
McDonnell Douglas Helicopter Systems → notableProduct →
"MD 520N"
↳ resolves to MD 500
ⓘ