# STC ST259CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Canard Aerospace Corporation, United States
- Description: Installation of a BFGoodrich Aerospace, Jet Electronics and Technology, AI-330P standby attitude indicator and PS-855B power supply.
- Applied: March 7, 1994
- Status date: April 18, 2007
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1PC](https://openairdocs.org/tcds/A1PC)
- Certificate PDF: https://openairdocs.org/files/sha256/c3/1c/c31cd026c5f79be9e9c87372bb4cb0e010c04ab56505fce8943ecbd223f0d184
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9C1F0C4172B35069862572FB006BB98A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST259CH

## ADs that name it (0)

None.

## Approved models (1)

- Mitsubishi Heavy Industries Ltd. YS-11A-600 ([TCDS A1PC](https://openairdocs.org/tcds/A1PC))

## 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.

Part 10 of the Civil Air Regulations.

See Type Certificate Data Sheet No. A1PC for complete certification basis.

Installation of a BF Goodrich Aerospace, Jet Electronics and Technology, Inc., AI-330P Standby Indicator and PS-855B Power Supply per Canard Aerospace Corporation Document Control Drawing No. 40009, Rev. B, dated September 29, 1994 or later FAA approved revision.

1) This approval should not be extended to other airplanes 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 of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft.

2) FAA Approved Airplane Flight Manual Supplement dated September 30, 1994 or later FAA approved revision is required.

2) If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Canard Aerospace Corporation 250 South Fuller Street Shakopee, MN 55347 A1PC Make :

YS-11A-600

MHI Model :

Date of application : March 7, 1994

Date of issuance : September 30, 1994

Date reissued : April 18, 2007

(Signature) Charles L. Smalley Manager, Systems and Flight Test Branch Chicago Aircraft Certification Office

(Title)

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES

## Every issue (1)

- April 18, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c3/1c/c31cd026c5f79be9e9c87372bb4cb0e010c04ab56505fce8943ecbd223f0d184)

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