# STC SA2577NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Michael Parfit, United States
- Description: Installation of Lycoming 0-360-F1A6 (modified per STC SE2574NM) and Hartzell HC-C2YK-1BK/FY666A-2
- Applied: May 23, 1985
- Status date: June 7, 1985
- Product: Aircraft
- Certification basis: Part 21
- Data sheets: [TCDS 3A19](https://openairdocs.org/tcds/3A19), [TCDS A13CE](https://openairdocs.org/tcds/A13CE)
- Certificate PDF: https://openairdocs.org/files/sha256/ac/b7/acb7b3c058742c3c0f6a48d1e85331db3c39832f7b943e139c151a447c3567a2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6BBB9DD1977D4269862579D6007197A0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2577NM

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company 150J ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Cessna Aircraft Company 177 ([TCDS A13CE](https://openairdocs.org/tcds/A13CE))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America - 1045 Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2577NM This certificate issued to: Michael Parfit 1330 San Rafael Santa Barbara, CA 93109 Purt 23* of the Federal Aviation Regulalions: *for complete certification basis see TCDS A13CE.

Original Product -Type Certificate Number. A13CE Make: Cessna Mixtel: 177, S/N 17700985 only, (N29601) Installation of Lycoming 0-360-F1A6 (modified per SIC with Parfit Report No. Al dated May 21, 1985.

Limilalunsandbendilions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation made in Cessna 177, S/N 17700985 only. No additional modifications of this type are to be approved solely by reference to this Supplemental Type Certificate or to the data submitted therefor. Supplemental Type Certificate Addendum No. SA2577NM is a part of this certificate. A copy of this certificate permanent records for this modified aircraft. and Parfit Report No. Al dated May 21, 1985 shall be maintained as a a part of the

FEDERAL AVIATION By direction of the Eldministales CANIS RAN ON Western Aircraft Certification Office (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) (I) June 7, 1985 Number: SA2577NM Supplemental Type Certificate ADDENDUM NO. SA2577NM The conditions and limitations of Type Certificate Data Sheet No. A13CE apply except as follows:

This Addendum, which is part of Supplemental Type Certificate No. SA2577NM, prescribes conditions and limitations under which the product for which the Supplemental Type Certificate was issued meets the airworthiness requirements of the Civil Air Regulations. A copy of this Addendum shall be maintained as part of the modified aircraft's permanent records.

I - Model 177, (Normal Category Only), as modified per STC SA2577NM Engine Lycoming 0-360-F1A6, as modified per STC SE2574NM Fuel 100/100LL Minimum Grade Aviation Gasoline Engine Limits For all operations, 2700 rpm. (180 HP) Propeller and Hartzell Constant Speed Propeller Limits Hub Model: HC-C2YK-1BF Blade Model: F7666A-2 Diameter: Not over 74 in., Not under 72 in.

- Governor: Pitch setting at 30 in. sta: low 14°+ 1°, high 29°+ 1° Hartzell F-3-1A C.G. Range Normal Category:

(+101.0) to (+114.5) at 2000 lb. or less (+105.5) to (+114.5) at 2350 1b.

Straight line variation between points given (Ref.)

Maximum Weight Normal Category:

2350 1b. (Ref.)

Oil Capacity 8 quarts at (+44) (2 qt. unusable) (Ref.)

Powerplant Instrument Markings Tachometer: 2700 RPM (red radial) 2200-2700 RPM (green arc) Oil Temperature Gauge: 245°F (red radial) (Ref.)

Oil Pressure Gauge: Minimum - 25 psi (red radial) Maximum - 100 psi (red radial) Normal - 60 psi to 90 psi (green arc) (Ref. )

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) (I) June 7, 1985 Number 5A2577 M Supplemental Type Certificate ADDENDUM NO. SA2577NM Powerplant Instrument Markings (cont.) Fuel Pressure Gauge: Minimum - 2.0 psi (red line) Maximum - 8.0 psi (red line) Normal - 2 psi to 8 psi (green arc) (Ref. ) Serial Nos. Eligible 17700985 only Required Equipment: In addition to the equipment applicable and required by Type Certificate Data Sheet No. A13CE, the equipment specified by Parfit Report Al dated May 21, 1985 must be installed as a result of incorporating STC SA2577NM.

Current Weight and Balance Report including list of equipment included in certificated empty weight, and loading instructions when necessary, must be in the aircraft.

NOTE 2. The following placards must be displayed as indicated in addition to the ones required by Type Certificate Data Sheet No. AlCE (Note 2A) -

1. Immediately above propeller control:

"Prop - push to increase"

2. Around fuel tank cap:

"100/130 OCTANE - ONLY -" Remove existing 80/87 grade placard.

NOTE 3. Under limitations placard which is identified on Type Certificate Data Sheet No. A13CE as Note 2A(1), permanently delete all reference to Utility Category, acrobatic maneuvers, spins and spin recovery.

- END -

47.

## Every issue (1)

- June 7, 1985: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ac/b7/acb7b3c058742c3c0f6a48d1e85331db3c39832f7b943e139c151a447c3567a2)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
