# STC SA2372CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Kevin Lewis Martinez, United States
- Description: Installation of Teledyne Continental IO-520-K engine and McCauley D3A34C401/90DFA-12 propeller
- Applied: April 6, 1988
- Status date: September 16, 2020
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A-782](https://openairdocs.org/tcds/A-782)
- Certificate PDF: https://openairdocs.org/files/sha256/93/c5/93c5d71d2320e97a838920eb4643be2ea34a8dbca73934897d008c5c24ce9d78
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8D4602F941AE5EF086258646005D611E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2372CE

## ADs that name it (0)

None.

## Approved models (1)

- Sierra Hotel Aero Inc. Navion A (Army L-17B and L-17C) ([TCDS A-782](https://openairdocs.org/tcds/A-782))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate FAA Form 8110-2 (4/20) SUPERSEDES PREVIOUS EDITION Page 1 of 2_

Number: _S_A_2_3_7_2 C_E This certificate issued to: Kevin Lewis Martinez 2024 S. Chester Court Denver, CO 80231

Part 3 of the _C_iv_il_A_i_r R_e_g_u_la_t_io_n_s .

Original Product – Type Certificate Number: _A_-7_8_2 Make: _R_ya_n_N av_io_n Model: _'A_'_S_/_N_1_8_6_6_o_n_ly Description of Type Design Change:

Installation of Teledyne Continental IO-520-K Engine and McCauley Propeller D3A34C401/90DFA-12 in accordance with FAA Approved Airplane Flight Manual, dated June 1, 1988, or later FAA Approved revision.

1. Compatibility of this design with previously approved modifications must be determined by the installer.

2. You cannot use descriptive data about this design change to duplicate other products. This approval is limited to only the installation made in Ryan Navion Model A, Serial Number 1866. This STC does not permit manufacturing of parts for multiple installation.

Date of Application: _A_pr_il_6_,_1_98_8 Date Reissued: _S_e_pt_e_m_b_e_r_1_6,_2_0_2_0

Date of Issuance: Ju_n_e_1_,_1_98_8

Title: Associate ACO Manager, AIR-7K5, Wichita ACO Branch

United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate Page 2 of _2 FAA Form 8110-2 (4/20) SUPERSEDES PREVIOUS EDITION

Number: _S_A_2_3_7_2 C_E

## Every issue (2)

- September 16, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/93/c5/93c5d71d2320e97a838920eb4643be2ea34a8dbca73934897d008c5c24ce9d78)
- June 1, 1988: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/ba/2a/ba2acd1aa3b4f4c77c560a523047bf866fba8475841199d3f42c4235a693a8ea)

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