# STC SA3386WE - Type: Supplemental type certificate - Status: Current, Issued - Holder: Francis E. Holsclaw, United States - Description: Installation of Lycoming IO- .54O-D4A.5 engine , Hartzell HC-C2YK-1J3F/F8467- 7R constant speed propeller. - Applied: September 20, 1976 - Status date: April 14, 1977 - Product: Aircraft, Small Airplane - Certification basis: Part 21 - Data sheets: [TCDS A9EU](https://openairdocs.org/tcds/A9EU) - Certificate PDF: https://openairdocs.org/files/sha256/fb/28/fb28675f911e758579253b3f000a72e2f99e3e7a436c402fe5c09ddce9e7842f - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C2EB15058F2E8724862586A1004B6685.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA3386WE ## ADs that name it (0) None. ## Approved models (1) - Aermacchi S.p.A. S.205 - 22/R ([TCDS A9EU](https://openairdocs.org/tcds/A9EU)) ## What the certificate says This is OCR from the scanned FAA certificate. OCR can misread letters and numbers. United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3386VE This certificate issued to: Francis E. Holsclaw Purt 23 / the Federal Aviation Regulalions, effective February 1, 1965. Original Product -Type Artificate Number: A9 EU Make: SIAT - MARCHETTI Mertel: S.205-22/R, Normal Category, N949W, Serial No. 4-149 Description of Type Design Change: Installation of Lycoming I0-540-D4A5 engine, Hartzell HC-C2YK-1BF/FO467-7R constant speed propeller, controllable cowl flap and associated changes in accordance with F. E. Holsclaw Report No. 1 dated March 30, 1977. See Continuation Sheets 3 thru 6. FAA Approved F. E. Holsclaw Airplane Flight Manual Supplement dated April 14, 1977 is required with this installation. Limitations and fundidens: Data not suitable for reproduction of installation in other aircraft; therefore, they are satisfactory for SIAI-MARCHETTI S.205-22/R, N949W, Serial No. 4-l49 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 Adiendum No. SA3336WE is a part of the certificate. A copy of this certificate and F. E. Holsclaw Report No. 1 shall be maintained as part of the permanent records for this modified aircraft. Date of Application: September 20, 1976 I ate weissad: I ate of issen April 14, 1977 Date Amended: EDERAL AVIATIO (Signer) OMINISTER Chief, Aircraft Modification Branch y Title 47 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA3386NE: Make: APR 1 4 1977 SIAI - Marchetti S.205-22/R, N949W Serial No. 4-149 Supplemental Type Certificate ADDENDUM NO. SA3386WE The conditions and limitations of Type Certificate Data Sheet AEU apply except as follows: This addendum, which is part of Supplemental Type Certificate No. SA3386WE, prescribes conditions and limitations under which the product for which the STC 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 permanent records. Supplemental Type Certificate Holder: Frances E. Holsclaw. I - Model S.205-22/R, (Normal Category) as modified by STC SA3386WE. Engine: Lycoming I0-540-D4A5 Fuel: 100/130 Minimum Grade Aviation Gasoline Engine Limits: Takeoff (five minutes) 2700 RPM (260 HP) F.T. Maximum continuous 2500 RPM 220 HP) 26.3" M.P. @ S.L. 2500 RPM (220 HP) 25.5" M.P. @ 3400 ft Straight line variation between points given Propeller and Propeller Limits: Hartzell HC-C2YK-1BF/F8467-7R Hub Model: HC-C2YK-1BF Blade Model: F8467-7R Diameter: 77" Maximum 75" Minimum Pitch Settings: At 30 Station - Low 15° Governor: Hartzell F-4-4A Spinner: Hartzell 835-20 Oil Capacity: 12 quarts at Station (+31.5) (Unusable oil- 2.75 qts.) **47 PAGE 3 OF 6 PAGES FAA AC T3-2651** United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA3386WE Make: APR 14 1977 SIAI - Marchetti S.205-22/R, N949W Serial No. 4-149 Supplemental Type Certificate ADDENDUM NO. SA3386WE Powerplant Instrument Markings: Tachometer: Maximum - 2700 RPM (Red Radial) Normal - 2000 - 2700 RPM (Green Arc) Manifold Pressure Gage: Maximum - 29.5" Hg. (Red Radial) Caution - 26.3 to 29.5" (Yellow Arc) Normal - 20 to 26.3" Oil Temperature Gage: Maximum - 245°F (Red Radial) Normal - 150°F - 245°F (Green Arc) Caution- 80°F - 150°F (Yellow Arc) Cylinder Head Temperature Gage: Maximum - 500°F (Red Radial) Bayonet type thermocouple on #2 cylinder Oil Pressure Gage: Minimum - 25 psi Red Radial Maximum-100 psi Red Radial Normal - Green Arc between 60 and 90 psi Caution- 25 to 60 psi (Yellow Arc) 90 to 100 psi (Yellow Arc) Fuel Pressure (Metered) Gage: Maximum- 8.9 psi (Red Radial) Serial Numbers Eligible: No. 4-149 only Certification Basis: Same as specified by T.C. Data Sheet AGEU Required Equipment: In addition to the equipment applicable and required by T.C. Data Sheet A9EU, the equipment specified by F. E. Holsclaw Report No. l must be installed as a result of the incorporation of this STC. 47. **PAGE 4 OF 6 PAGES FAA AC 73-2651** United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number SA3386WE Make: APR 14 1977 SIAL - Marchetti S.205-22/R, N949W Serial No. 4-149 Supplemental Type Certificate ADDENDUM NO. SA3386WE Required Equipment: (Continued) NOTE 1. 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 installed in front of and in clear view of the pilot: a. Adjacent to tachometer: AVOID CONTINUOUS OPERATION BETWEEN 2500 - 2600 RPM ABOVE 25 INCHES HG. M.P." b. Adjacent to manifold pressure gage: ENGINE POWER LIMITS: **TAKEOFF (5 MIN.) 260 HP 2700 RPM F.T.** MAX. CONTINUOUS 2500 RPM 26.3" M.P. @ S.L. 2500 RPM 25•5" M.P. @ 3400 FT. STRAIGHT LINE VARIATION BETWEEN POINTS GIVEN." c. At cowl flap control: "COWL FLAP - PULL TO OPEN" d. At oil temperature gage: MONITOR OIL TEMP. BELOW 120 MPH JAS IN CLIMB TO INSURE "ADEQUATE COOLING" e. In baggage compartment: **SURVIVAL KIT 26 IBS. FIXED BALLAST - DO NOT REMOVE.** SEE LOADING SCHEDULE" 47. **PAGE 5 OF 6 PAGES C FAA AC 73-2651** United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA3386NE Make: APR 14 1977 SIAT - Marchetti S.205-22/R, N949W Serial No. 4-149 SUPPLEMENTAL TYPE CERTIFICATE ADDENDUM NO. SA3386WE NOTE 2. Placards (Continued) f. At alternate air control: VALT. INDUCTION AIR - PULL ON" - END- 47 PAGE 6 OF 6 PAGES C FAA AC 73-2651 ## Every issue (1) - April 14, 1977: Issued, Current. [certificate](https://openairdocs.org/files/sha256/fb/28/fb28675f911e758579253b3f000a72e2f99e3e7a436c402fe5c09ddce9e7842f) --- 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.