1951 USAF AN/CPN-4 Radar Set Maintenance Handbook TO 16-30CPN-4-3 Restricted AAF Binder

Original U.S. Air Force Handbook of Maintenance Instructions for the Radar Set AN/CPN-4 (Gilfillan Bros.), dated 9 May 1951. This manual is housed in its original A.A.F. Publications locking binder and retains its original RESTRICTED classification markings, making it an excellent Cold War-era military communications and radar collectible.

The AN/CPN-4 was a precision radar approach (PAR) system used by the U.S. Air Force to assist aircraft during landing operations in poor visibility. Original maintenance manuals for these systems are increasingly scarce, especially when accompanied by the period Air Force publication binder.

Item Details

• Title: Handbook of Maintenance Instructions – Radar Set AN/CPN-4
• Technical Order: TO 16-30CPN-4-3
• Publication Date: 9 May 1951
• Manufacturer: Gilfillan Bros.
• Classification: RESTRICTED (historical marking only)
• Published under authority of the Secretary of the Air Force
• Includes original black A.A.F. Publications locking binder

Features

• Maintenance procedures
• Technical servicing instructions
• Radar system repair information
• Air Force technical publication
• Original post-WWII/Cold War documentation

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