STC SA639NW

United States of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Number SA639NW This certificate issued to: JAMES F. ADKINS Part 4a of the CiVil Air Regulations.

Original Product - Type tertificate Number: A-759 Make: Bellanca Champion Model: TECA Description of Type Design Change: Installation of a Lycoming 0-320-A2D engine, Sensenich 74DM6S8-1-56 propeller, and larger carburetor fuel inlet lines installed in accordance with Bellanca Drawing No. 7-1289.

Jimilalind andlunditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation on Bellanca Champion 7ECA, Serial Number 443 only. A copy of this Certificate and Addendum No. SA639NW shall be maintained as part of the permanent records for the modified aircraft.

Judest afplecaten JUly 5, 1978 Sale messure: November 8, 1978 I ate of camnes August 3, 1978 Jat unended FEDERAL AVIATION By Direction of the Administrator (Signature ) CHINIST RATION Chief, Engineering and Manufacturing Branch (Istle)

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA639NW Supplemental Type Certificate ADDENDUM NO. SA639NW The conditions and limitations of Type Certificate Data Sheet No. A-759 apply except where superseded by the following:

Supplemental Type Certificate Addendum, which is part of the STC SA639NW, prescribes the 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 STC Addendum is required to be maintained as part of the permanent records for the modified aircraft.

Supplemental Type Certificate HOLDER: James F. Adkins I. MODEL BELLANCA CHAMPION 7ECA (NORMAL CATEGORY) AS MODIFIED BY STC SA639NW Engine: Lycoming 0-320-A2D Fuel: 80/87 minimum grade aviation gasoline Oil Capacity: 8 quarts at (-36) Engine Limits: Rated RPM: 2700 (150 hp) for all operations Airspeed Limits: Level flight or climb 120 mph Glide or dive 162 mph Propeller: Sensenich 74DM6S8-1-56 Diameter: 74 inches maximum 72 inches minimum Pitch: 56 inch pitch Static RPM: 2700 maximum no minimum Spacer: 2 inch No other additional tolerance permitted Powerplant Instrument Markings: Same as specified in Engine Data Sheet E274-13 Control Surface Movements: Elevator:

Up -28°; Down 240 With items 404 (d) and (e) installed:

Up 24°; Down 240

FAA FORM 8110-2-1 (10-69) PAGES OF 4 PAGES C FAA AC 73-2651

SA639NW Control Surface Movements Continued: Elevator Trip Tab:

Up 17.5°; Down 44° Ailerons.

Up 27.5°; Down 19° Rudder:

Right 25°; Left 250 C. G. Limits: (+14.2) to (+18.2) at 1650 1bs. (+10.5) to (+18.2) at 1325 1bs or less Maximum Weight: 1650 1bs.

Serial Numbers Eligible: 443 only Placards: Same as specified in Data Sheet A-759 -END- Page 4 of 4