# STC ST565CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Preferred Improvements LLC, United States
- Description: Installation of a Fairchild F800 or F1000 digital flight data recorder.
- Applied: September 9, 1996
- Status date: March 9, 2017
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-669](https://openairdocs.org/tcds/A-669)
- Certificate PDF: https://openairdocs.org/files/sha256/40/84/4084bf848b7771eac035cb1503bb7a673955f22fc6e10f905c02d16be32aca85
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4142F2D6EA26D5AA862581060057B82F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST565CH

## ADs that name it (0)

None.

## Approved models (4)

- The Boeing Company DC3C-S1C3G ([TCDS A-669](https://openairdocs.org/tcds/A-669))
- The Boeing Company DC3C-S4C4G ([TCDS A-669](https://openairdocs.org/tcds/A-669))
- The Boeing Company DC3C-SC3G ([TCDS A-669](https://openairdocs.org/tcds/A-669))
- The Boeing Company DC3D-R-1830-90C ([TCDS A-669](https://openairdocs.org/tcds/A-669))

## 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.

FAA Form 8110-2 (5/14) Page 1 of This certificate issued to:

By Direction of the Administrator Signature Title ST565CH Preferred Improvements, LCC 11234 Hackett Road, PO Box 12 Kidron, OH 44636 Aero Bulletin Amendment 7A.

2 Installation of a Fairchild F800 or F1000 Digital Flight Data Recorder in accordance with ElectroSonics Drawing ESDC3-1027047-01, Revision 3, dated November 1, 1996, and Airplane Flight Manual Supplement, document number ESDC3-1027047-100, dated November 1, 1996, or later FAA Approved revisions.

The aircraft must be maintained in accordance with FAA approved Maintenance Manual Supplement document number ESDC3-1027047-200, dated November 1, 1996, or later FAA Approved revision, in addition to the basic Airplane Maintenance Manuals. The installer must determine whether this design change is compatible with previously approved modifications. The aircraft must be modified by STC SA3820SW prior to installation of this modification.

Boeing DC3C-SC3G, DC3C-S1C3G, DC3C-S4C4G, DC3C-R-1830-90C February 18, 2009, April 7, 2009, March 1, 2017, March 9, 2017 September 9, 1996 November 1, 1996 A-669 Yvette Emerson Program Manager Wichita Aircraft Certification Office

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

2 ST565CH

## Every issue (4)

- March 9, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/40/84/4084bf848b7771eac035cb1503bb7a673955f22fc6e10f905c02d16be32aca85)
- March 1, 2017: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b0/72/b072b4d6cbfac76b2f3adf81d17d6a24d150c4f36eb36ce109e1227af503c226)
- April 7, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/06/02/0602d3dd259c37391cf7db2766b694ff03d482ed8d8b32380d9a1d5761e9124c)
- February 18, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/29/68/2968afde4098fa7c83f7eddebd9a28baa86fd103499c330971a5856be5d6d8b6)

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