Disambiguation evidence for Pitcairn Mailwing aircraft series via surface form

"Pitcairn PA-5 Mailwing"

Triples (1)

Triples where some other subject referred to this entity as "Pitcairn PA-5 Mailwing".

Harold F. Pitcairn → significantProject →
"Pitcairn PA-5 Mailwing"
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