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Other aircraft modifications

STC SA5878SW

FAA DRS lists SA5878SW as Current · Reissued, held by RAM Aircraft Limited Partnership, for Cessna Aircraft 421, Cessna Aircraft 421A, and Cessna Aircraft 421B, and 1 more aircraft configuration. Recorded change: Installation of range-marked EGT, CHT, oil temperature, and pressure gauges. Snapshot dated June 30, 2026.

Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA5878SW 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: Cessna Aircraft 421, Cessna Aircraft 421A, and Cessna Aircraft 421B, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

Confirm before sourcing