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Engine and powerplant

STC SA5821NM

FAA DRS lists SA5821NM as Current · Reissued, held by Horizon Instruments Inc, for Cessna Aircraft 210, Cessna Aircraft 210-5 (205), and Cessna Aircraft 210-5A (205A), and 25 more aircraft configurations. Recorded change: Installation of an electronic digital engine tachmoter, Model P-1000. Snapshot dated June 30, 2026.

FAA-listed holder
Horizon Instruments Inc
Aircraft configurations
28
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of an electronic digital engine tachmoter, Model P-1000.

SA5821NM 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 210, Cessna Aircraft 210-5 (205), and Cessna Aircraft 210-5A (205A), and 25 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 2103A21Cessna Aircraft 210-5 (205)3A21Cessna Aircraft 210-5A (205A)3A21Cessna Aircraft 210A3A21Cessna Aircraft 210B3A21Cessna Aircraft 210C3A21Cessna Aircraft 210D3A21Cessna Aircraft 210E3A21Cessna Aircraft 210F3A21Cessna Aircraft 210G3A21Cessna Aircraft 210H3A21Cessna Aircraft 210J3A21Cessna Aircraft 210K3A21Cessna Aircraft 210L3A21Cessna Aircraft 210M3A21Cessna Aircraft 210N3A21Cessna Aircraft 210R3A21Cessna Aircraft P210N3A21Cessna Aircraft P210R3A21Cessna Aircraft T210F3A21Cessna Aircraft T210G3A21Cessna Aircraft T210H3A21Cessna Aircraft T210J3A21Cessna Aircraft T210K3A21Cessna Aircraft T210L3A21Cessna Aircraft T210M3A21Cessna Aircraft T210N3A21Cessna Aircraft T210R3A21

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 210 and Cessna Aircraft 210-5 (205), and 26 more aircraft configurations model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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