# STC SA10364SC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Blackhawk Modifications Inc.
- Description: Installation of Pratt & Whitney Canada PT6A-135A engines and McCauley 4HFR34C762/94LMA-4 or 4HFR34C768/94LMA-4 propellers in accordance with Blackhawk Modifications, Inc. Drawing No. 19005-01, Rev. IR, dated March 15, 2004, Installation Instructions, or later FAA approved revision.
FAA approved AFMS Document No. 19005, Rev. IR, dated November 24, 2004, or later FAA approved revision is required.
- Status date: November 24, 2004
- Data sheets: 3A20, 3A20, 3A20
- Certificate PDF: https://openairdocs.org/files/sha256/7c/f5/7cf5aeeda0632cea096396e95131cc78a55d5f0ced5ac24dc1dae6c438d6a71f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/95C52BDE6B01289786256F7F007277F6.0001
- Page: https://openairdocs.org/stc/SA10364SC

## ADs that name it

None.

## Approved models (3)

- Raytheon Aircraft Company C90 (TCDS 3A20)
- Raytheon Aircraft Company C90A (TCDS 3A20)
- Raytheon Aircraft Company E90 (TCDS 3A20)

## 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 Aviation Administration Supplemental Type Certificate Project Number ST7954SC-A, (PWH) Number SA10364SC This Certificate issued to Blackhawk Modifications, Inc.

a Nevada Corporation 1800 E. Sahara Drive Las Vegas, NV 89108

Part 3 of the Civil Air Regulations.

Original Product Type Certificate Number : 3A20 Make : Raytheon Aircraft Co.

Model : C90; C90A; E90

Description of Type Design Change: Installation of Pratt & Whitney Canada PT6A-135A engines and McCauley 4HFR34C762/94LMA-4 or 4HFR34C768/94LMA-4 propellers in accordance with Blackhawk Modifications, Inc.

Drawing No. 19005-01, Rev. IR, dated March 15, 2004, “Installation Instructions”, or later FAA approved revision.

FAA approved AFMS Document No. 19005, Rev. IR, dated November 24, 2004, or later FAA approved revision is required.

Limitations and Conditions: The shaft horsepower is limited to 550. Each engine mount must be removed from the airplane, cleaned, and Non-Destructive Test (NDT) inspected for fatigue cracks per TP20-00-00 before reinstallation.

Airplanes with less than 500 hours total time are exempt from the NDT inspection of the engine mounts. Compatibility of this design change with previously approved modifications must be determined by the installer. 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.

Date of application : August 6, 2004

Date of issuance : November 24, 2004 Date reissued :

( Signature) S. Frances Cox Manager, Special Certification Office Southwest Region

(Title)

FAA Form 8110-2-1(10-69) Page 2 of 3

FAA Form 8110-2-1(10-69) Page 3 of 3

Number SA10364SC Date of Issuance: November 24, 2004

## Every issue (1)

- November 24, 2004: Issued, Current. [certificate](https://openairdocs.org/files/sha256/7c/f5/7cf5aeeda0632cea096396e95131cc78a55d5f0ced5ac24dc1dae6c438d6a71f)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.