STC SA692NW

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

(See Continuation Sheet Page 3 of 3 Pages) SA692NW Terrence R. Martin 4520 North Coast Hwy Newport, OR 97365 4a Civil Air Regulations A-743 Boeing E75 (PT-13D) Installation of a Lycoming R-680-E3B engine, Hamilton Standard 2B20 hub with ERCO 3086A blades, Boeing (Stearman) E75-2500 engine mount and associated systems in accordance with RUBEN NOLF Photos (1) through (7).

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Boeing Model E75 (PT-13D), S/N 75-5458 only. A copy of this Certificate and Addendum No. SA692NW shall be maintained as part of the permanent records for the modified aircraft.

October 21, 1978 June 20, 2023 December 13, 1978 for Manager, West Certification Branch 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SA692NW 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page ___ of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:

End Supplemental Type Certificate Addendum No. SA692NW The conditions and limitations of the original specification apply except as follows:

This Addendum, which is part of Supplemental Type Certificate No. SA692NW, prescribes conditions and limitations under which the product for which the STC was issued and meets the airworthiness requirements of Civil Air Regulations 4a. A copy of this Addendum shall be maintained as part of the modified aircraft permanent records.

SUPPLMENTAL TYPE CERTIFICATE HOLDER: Severin Rossi

1. MODEL E75 BOEING (LANDPLANE ONLY, NORMAL CATEGORY) AS MODIFIED BY STC SA692NW.

Engine: Lycoming R-680-E3B Fuel: 87 Minimum Grade Aviation Gasoline Engine Limits: (Take off) 300 hp. @ 2300 rpm - 1 minute (Meto) 285 hp. @ 2200 rpm Airspeed Limits: Level flight or climb - 123 mph true ind.

Glide or dive - 148 mph true ind.

Propeller and Hamilton Standard 2B20/ERCO3086A Propeller Limits: Diameter: Not over 102" C.G. Range: 1.0 to 4.5 @ 3200# Maximum Weight (Take off) NC certification, 3200# Fuel Capacity: 46 gallons Oil Capacity: 4.4 gallons Powerplant Instrument Markings: Tachometer: 2300 rpm (Red Line) Oil Temp.: 200°F (Red Line) Control Surface Movements: Elevator up 24° down 22°

Series Numbers Eligible: 75-5458 only Required Equipment: In addition to the equipment and applicable by the original type certificate, the items as specified below apply to this STC.

Note: 1. Current weight and balance report including list of equipment included in the certificated empty weight, must be in the aircraft.

Note: 2. The following PLACARDS must be installed in the rear cockpit and in clear view of the pilot:

1. METO POWER NOT TO EXCEED 285 HP. (2200 RPM)

2. INTENTIONAL SPINS PROHIBITED

3. SOLO FROMTHE REAR SEAT ONLY.

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