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Fuel systems

STC SA1396SO

FAA DRS lists SA1396SO as Current · Reissued, held by Saf-Air Products Inc., for Cessna Aircraft 172N. Recorded change: Remove drain plug, Cessna Part Number AN814-3DL, from the fuel selector valve, and replace with CAV-180 (MT-1072-77) or CAV-180H-4 (CM-172-77) (*Model: C-172N Serial Nos.: 17261445, 17267585 through 17269309 (1977 Model), 17261578, 17269310 through 17271034 (1978 Model), \t(Except 17270050), 17271035 through 17272884 (1979 Model), 17270050, 17272885 through 17274009 (1980 Model)). Snapshot dated June 30, 2026.

FAA-listed holder
Saf-Air Products Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Remove drain plug, Cessna Part Number AN814-3DL, from the fuel selector valve, and replace with CAV-180 (MT-1072-77) or CAV-180H-4 (CM-172-77) (*Model: C-172N Serial Nos.: 17261445, 17267585 through 17269309 (1977 Model), 17261578, 17269310 through 17271034 (1978 Model), \t(Except 17270050), 17271035 through 17272884 (1979 Model), 17270050, 17272885 through 17274009 (1980 Model)).

SA1396SO 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 172N. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Cessna Aircraft 172N3A12

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Cessna Aircraft 172N model, serial range, and configuration?
  2. 02Which tanks, plumbing, usable-fuel assumptions, and inspections 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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