# STC SP26CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Pegasus Innovations, LLC, United States
- Description: Modification of a McCauley 1A170-BMS76 model propeller
- Applied: July 20, 1992
- Status date: December 1, 2020
- Product: Propeller
- Data sheets: [TCDS P-857](https://openairdocs.org/tcds/P-857)
- Certificate PDF: https://openairdocs.org/files/sha256/c8/27/c82756b0357c2f2ca510fec5ecdebbaba8158224e3936cfa989ee4901c831221
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157516864120260428180047.0001
- DRS record last changed: April 28, 2026
- Page: https://openairdocs.org/stc/SP26CH

## ADs that name it (0)

None.

## Approved models (1)

- McCauley Propeller Systems 1A170 ([TCDS P-857](https://openairdocs.org/tcds/P-857))

## 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.

SP26CH Pegasus Innovations, LLC 45 Buttercup Loop Belton, TX 76513 Part 14 the Civil Air Regulations.

P-857 McCauley 1A170-BMS76

1) The installer must determine whether this design change is compatible with previously approved modifications.

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

7/20/1992 8/26/2015 12/1/2020 2/17/1993 for Roy E. Boffo III Deputy Branch Manager Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 2 Modification of a McCauley 1A170-BMS76 model propeller in accordance with Mattson Drawing Number 5, dated July 8, 1992, or later FAA Approved revision.

(See Type Certificate Data Sheet Number P-857 for the complete certification basis.)

SP26CH 12/01/20 2

## Every issue (2)

- December 1, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c8/27/c82756b0357c2f2ca510fec5ecdebbaba8158224e3936cfa989ee4901c831221)
- August 26, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/30/69/30690a97b2e53dea0b6505910b5685f2e92371e126388fdb62ef7f18bb7e23cd)

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