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Piasecki HUP Retriever Military
Firestone XR-9 Military
Quick facts
ManufacturerPiasecki Helicopter CorporationFirestone Tire and Rubber Company
TypeMilitary helicoptersMilitary helicopters
Origin — —
First flight19481946
StatusRetired—
Units built——
Unit cost——

At a glance

Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.