# STC SA01408AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: National Air Parts Inc, United States
- Description: Installation of National AirParts Model N300 alternators as replacement for belt-driven generators in accordance with National AirParts Inc., Document Number NAPI310, Cessna 310/320 Alternator Conversion , Initial Revision, dated 9/30/96 or later FAA Approved Revisions.
- Applied: September 25, 1996
- Status date: June 24, 2011
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10), [TCDS 3A25](https://openairdocs.org/tcds/3A25)
- Certificate PDF: https://openairdocs.org/files/sha256/94/4b/944bf7b355f78412f0d5c186752238afd7d021311862cf540fdc5bed82ad7157
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/815FB4DEF84A082B862578C600499397.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA01408AT

## ADs that name it (0)

None.

## Approved models (2)

- The Cessna Aircraft Company 310 ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 320 ([TCDS 3A25](https://openairdocs.org/tcds/3A25))

## 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.

This certificate issued to

Part 3 of the Civil Air Regulations.

Description of Type Design Change: Installation of National AirParts Model N300 alternators as replacement for belt-driven generators in accordance with National AirParts Inc., Document Number NAPI310, “Cessna 310/320 Alternator Conversion”, Initial Revision, dated 9/30/96 or later FAA Approved Revisions.

Limitations and Conditions: This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any previously approved modifications will produce no adverse effect upon the airworthiness of that airplane.

National AirParts, Inc.

1335 Saratoga Street DeLand, FL 32724 3A10 Make : Cessna Model : 310; 320 Date of application : September 25, 1996

Date of issuance : July 01, 1997

Date reissued : June 24, 2011

Date amended : January 09, 2007

( Signature) Melvin D. Taylor, Manager Atlanta Aircraft Certification Office

( Title)

FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES

Number

## Every issue (1)

- June 24, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/94/4b/944bf7b355f78412f0d5c186752238afd7d021311862cf540fdc5bed82ad7157)

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