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Fuel systems

STC SA970SO

FAA DRS lists SA970SO as Current · Reissued, held by Mike Jones Aircraft Sales Inc., for Piper Aircraft PA-31 and Piper Aircraft PA-31-325. Recorded change: Installation of Lycoming TIO-540-J2BD or TIO-540-J2B engines and Hartzell propellers HC-C4YR-2/FC7663D-4R or HC-C4YR-2/FC7663D-6Q, additional fuel pump and related cowling changes.Modification Drawing Piper Navajo PA-31 Navajo-Panther-Drawing 68000, Revision D, Dated 5/17/82. Installation Instructions for Modification of Piper Navajo Model PA-31 and PA-31-325, Drawing 68000, change D dated 5/17/82 and Supplemental Type Certificate (STC) SA970SO. Installation Procedures Boost Pump PA-31 Drawing 62000 A Change dated November 30, 1977. (PA-31 Only) Piper Kit 760-905 Colemill Enterprises, Inc., Process Specification for Drawings 64000 and 66000, dated August 31, 1977. Colemill Enterprises, Inc., Process Specification #500 for Piper Wing Caps and Winglets, dated September 1, 1981. Later FAA approved revisions of the above data are acceptable. Snapshot dated June 30, 2026.

FAA-listed holder
Mike Jones Aircraft Sales Inc.
Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA970SO identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Piper Aircraft PA-31 and Piper Aircraft PA-31-325. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Piper Aircraft PA-31A20SOPiper Aircraft PA-31-325A20SO

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