# STC SA496CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: McCauley Propeller Systems, United States
- Description: Installation of McCauley propeller model B3D36C429/82NPA-6.
- Applied: January 16, 1996
- Status date: February 8, 2008
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A1CE](https://openairdocs.org/tcds/A1CE)
- Certificate PDF: https://openairdocs.org/files/sha256/e9/e6/e9e65ba1c8a44d62015ca08ff0cdfc4fb89d6ad6536f1a80ed68d22e52e5d05b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/56EE847F7B24107D86257401006956AF.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA496CH

## ADs that name it (0)

None.

## Approved models (5)

- Raytheon Aircraft Company A23-24 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Raytheon Aircraft Company A24 ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Raytheon Aircraft Company A24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Raytheon Aircraft Company B24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))
- Raytheon Aircraft Company C24R ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))

## 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: McCauley Propeller Systems 7751 East Pawnee Wichita, KS 67207

Part 3 of the Civil Air Regulations. (See Type Certificate Data Sheet A1CE for complete certification basis.)

Original Product - Type Certificate Number : A1CE Make : Beech Model : A23-24, A24, A24R, B24R, C24R

Installation of McCauley Propeller Model B3D36C429/82NPA-6 in accordance with McCauley Technical Report No. TR 844, no revision, dated January 15, 1996, and McCauley Drawing No. D-60165, no revision, dated April 1, 1996, or later FAA approved revisions.

1) Compatibility of this modification with previously approved modifications must be determined by the installer.

2) FAA approved Airplane Flight Manual Supplement, Technical Report No. TR 845, dated April 3, 1996, or later FAA approved revision, is required.

Date of application : January 16, 1996 Date reissued : September 21, 2005; February 8, 2008

( Signature) Robert D. Adamson Program Manager Wichita Aircraft Certification Office (Title) Date of issuance : April 3, 1996

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

Number SA496CE Date of Issuance: April 3, 1996 Date Reissued: September 21, 2005 Date Reissued: February 8, 2008

3) Aircraft Specifications are the same as listed on Type Certificate Data Sheet A1CE, except as follows:

Propeller and Propeller Limits:

Propeller: McCauley Constant Speed B3D36C429/82NPA-6 Number of Blades: 3 Blade Angles: At 30” station: Low 10.5 degrees, High 33.8 degrees Diameter: 76 inches maximum 75 inches minimum repair Spinner: McCauley D-7290

Propeller Operating Limits/Placard On the instrument panel, in the vicinity of the manifold pressure gage:

“Avoid continuous operation below 15” MP when above 100 mph. Avoid continuous operation at or above 26” MP.”

Power Plant Instrument Markings:

Tachometer: 800 to 1200 RPM (A24R Only) (Engine Warmup) Green Arc: (Normal operating) 2350 to 2700 RPM (C24R) 2200 to 2700 RPM (A23-24, A24, A24R, B24R) Red Line Radial: Rated 2700 RPM

4) On the Propeller/Aircraft/Engine combination of the B3D36C429/82NPA-6 propeller in the 76” to 75” diameter range on Beechcraft Models A23-24, A24 and A24R with either Lycoming IO-360-A1B or IO- 360-A1D engines, and Beechcraft Models B24R and C24R with a Lycoming IO-360-A1B6 engine installed. Approval is limited to 200 hp and 2700 RPM with a Maximum Takeoff Gross Weight of 2750 lbs. and a VNE of 168 KCAS.

5) 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.

--END--

## Every issue (2)

- February 8, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e9/e6/e9e65ba1c8a44d62015ca08ff0cdfc4fb89d6ad6536f1a80ed68d22e52e5d05b)
- September 21, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/3b/ff/3bff3222b37cbb98bf6186e3e48672a96efbd2a539d4a5f77f9cd7fd332bc578)

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