# STC SA00785AT

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Air Plains Services Corporation, United States
- Description: Installation of a Teledyne Continental Model IO-550-D engine and Hartzell propellers PHC-C3YF-1RF/F8468()-6R, PHC C3YF-1RF/F7691() or McCauley D3A34C401/90DFA-10
- Applied: August 15, 1994
- Status date: June 2, 2026
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 5A6](https://openairdocs.org/tcds/5A6)
- Certificate PDF: https://openairdocs.org/files/sha256/98/e4/98e4dd8c63cad858b450ebd6bd608e1f6497424ec5b15ffac73949f8472b4a50
- Approved model list and other attachments: [SA00785AT_AML.pdf](https://openairdocs.org/files/sha256/4b/88/4b88b2703572665891303e1ef9690e1accefcf584459cf72eb605dafb363b63f)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148008205420260610143131.0001
- DRS record last changed: June 10, 2026
- Page: https://openairdocs.org/stc/SA00785AT

## ADs that name it (0)

None.

## Approved models (11)

- Textron Aviation Inc. 180 ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180A ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180B ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180C ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180D ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180E ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180F ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180G ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180H ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6))

## 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.

Number   This certificate issued to:

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Compatibility of this design with previously approved modifications must be determined by the installer.

8/15/1994 6/3/1999 6/9/1995 7/6/1995, 9/17/2001, 06/02/2026 for Mr. Jason S. Deutschman Acting Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 2 Installation of a Teledyne Continental Motors Engine Model IO-550-D and either McCauley Propeller Model D3A34C401/90DFA-10 or Hartzell Propeller Models PHC-C3YF-IRF/F8468A()-6R or PHC-C3YF-1RF/F7691().

See attached Approved Model List (AML) No. SA00785AT for all required data.

Number   (IIHFWLYH'DWH I Transferr Endorsementt Transfer the ownership of Supplemental Type Certificate Number:

Too (Name and address of transferee):

Date oI transfer:

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### SA00785AT_AML.pdf

**FAA APPROVED MODEL LIST (AML) NO. SA00785AT**

**AIR PLAINS SERVICES CORPORATION**

INSTALLATION OF A TELEDYNE CONTINENTAL MOTORS ENGINE MODEL IO-550-D AND EITHER A MCCAULEY PROPELLER MODEL D3A34C401/90DFA-10 OR A HARTZELL PROPELLER MODEL AS DEFINED BELOW

Installations completed on or after 02/12/2001 using MDL 1016DL-APS Item Aircraft Make Aircraft Model Eligible Hartzell Propeller Models Cert Basis / Amendment TCDS MDL Revision* / Date AFMS Revision* / Date Amendment Date 1 Textron Aviation (Cessna) 180, 180A PHC-C3YF-1RF/F8468A()-6R PHC-C3YF-1RF/F7691() CAR 3, as listed in the TCDS 5A6 No. 1016DL-APS Rev F, 01/01/2024 No. C180-550-APSFM1 Rev. 2, 01/01/2024 06/02/2026 2 Textron Aviation (Cessna) 180B, 180C, 180D, 180E, 180F, 180G PHC-C3YF-1RF/F8468A()-6R PHC-C3YF-1RF/F7691() CAR 3, as listed in the TCDS 5A6 No. 1016DL-APS Rev F, 01/01/2024 No. C180-550-APSFM2 Rev. 2, 01/01/2024 06/02/2026 3 Textron Aviation (Cessna) 180H S/N 18051446-18052103 PHC-C3YF-1RF/F8468A()-6R PHC-C3YF-1RF/F7691() CAR 3, as listed in the TCDS 5A6 No. 1016DL-APS Rev F, 01/01/2024 No. C180-550-APSFM3 Rev. 2, 01/01/2024 06/02/2026 4 Textron Aviation (Cessna) 180H & 180J S/N 18052104-18052489 & 18052491-18052620 PHC-C3YF-1RF/F8468A()-6R PHC-C3YF-1RF/F7691() CAR 3, as listed in the TCDS 5A6 No. 1016DL-APS Rev F, 01/01/2024 No. C180-550-APSFM4 Rev. E, 01/01/2024 06/02/2026 5 Textron Aviation (Cessna) 180J & 180K S/N 18052621-18053000 PHC-C3YF-1RF/F8468A()-6R PHC-C3YF-1RF/F7691() CAR 3, as listed in the TCDS 5A6 No. 1016DL-APS Rev F, 01/01/2024 No. C180-550-APSFM5 Rev. E, 01/01/2024 06/02/2026 6 Textron Aviation (Cessna) 180K S/N 18052490 & 18053001-18053203 PHC-C3YF-1RF/F8468A()-6R PHC-C3YF-1RF/F7691() CAR 3, as listed in the TCDS 5A6 No. 1016DL-APS Rev F, 01/01/2024 No. C180-550-APSFM6 Rev. E, 01/01/2024 06/02/2026 *or later FAA Approved revision

**FAA APPROVED MODEL LIST (AML) NO. SA00785AT**

**AIR PLAINS SERVICES CORPORATION**

INSTALLATION OF A TELEDYNE CONTINENTAL MOTORS ENGINE MODEL IO-550-D AND EITHER A MCCAULEY PROPELLER MODEL D3A34C401/90DFA-10 OR A HARTZELL PROPELLER MODEL AS DEFINED BELOW

Page 2 Installations completed before 02/12/2001 using MDL BOAC1016 Item Aircraft Make Aircraft Model Eligible Hartzell Propeller Models Cert Basis / Amendment TCDS MDL Revision* / Date AFMS Revision* / Date Amendment Date 1 Textron Aviation (Cessna) 180, 180A S/N 30000-32150 & 32662-50355 PHC-C3YF-1RF/F8468A()-6R PHC-C3YF-1RF/F7691() CAR 3, as listed in the TCDS 5A6 No. BOAC1016 Rev OR, 11/01/1994 Rev OR, 04/17/1997 04/17/1997 2 Textron Aviation (Cessna) 180B, 180C, 180D 180E, 180F, 180G PHC-C3YF-1RF/F8468A()-6R PHC-C3YF-1RF/F7691() CAR 3, as listed in the TCDS 5A6 No. BOAC1016 Rev OR, 11/01/1994 Rev OR, 04/17/1997 04/17/1997 3 Textron Aviation (Cessna) 180H S/N 18051446-18052103 PHC-C3YF-1RF/F8468A()-6R PHC-C3YF-1RF/F7691() CAR 3, as listed in the TCDS 5A6 No. BOAC1016 Rev OR, 11/01/1994 Rev OR, 04/17/1997 04/17/1997 4 Textron Aviation (Cessna) 180H & 180J S/N 18052104-18052620 PHC-C3YF-1RF/F8468A()-6R PHC-C3YF-1RF/F7691() CAR 3, as listed in the TCDS 5A6 No. BOAC1016 Rev OR, 11/01/1994 Rev OR, 04/17/1997 04/17/1997 5 Textron Aviation (Cessna) 180J & 180K S/N 18052621-18053203 PHC-C3YF-1RF/F8468A()-6R PHC-C3YF-1RF/F7691() CAR 3, as listed in the TCDS 5A6 No. BOAC1016 Rev OR, 11/01/1994 Rev OR, 04/17/1997 04/17/1997 *or later FAA Approved revision

FAA Approved:

for Mr. Jason S. Deutschman Acting Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service

## Every issue (2)

- June 2, 2026: Amended, Current. [certificate](https://openairdocs.org/files/sha256/98/e4/98e4dd8c63cad858b450ebd6bd608e1f6497424ec5b15ffac73949f8472b4a50), [SA00785AT_AML.pdf](https://openairdocs.org/files/sha256/4b/88/4b88b2703572665891303e1ef9690e1accefcf584459cf72eb605dafb363b63f)
- June 3, 1999: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/4c/da/4cda1ab83c65a2b638261d54f68ad8c4bc2e9c86246acd52dc837d98daf0a44f)

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