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Essco Aircraft will close early at 2:00 PM EST on Friday, April 18th, 2025, in observance of Good Friday. We will resume normal business hours on Monday, April 21st.
Essco Aircraft will close early at 2:00 PM on Friday, April 18th, 2025, in observance of Good Friday. We will resume normal business hours on Monday, April 21st.

Sikorsky Helicopters R-4B & HNS-1 Helicopters 1944 Parts Catalog (01-230HA-4)

by Sikorsky Helicopters
$43.00
SKU 31660:R
  • Army Model R-4B
  • Navy Model HNS-1
  • Revised April 1945