STC SA2075WE

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2075WE This certificate issued to: Madras Air Service Part 3 of the CiVil Air Regulations: (See Type Certificate Data Sheets 3A12 and 3A17 for Certification Basis) Original Product -Type Certificate Number: 3A12 ЗА 17 Make: Cessna Cessna Model: 172, 172A, 172B, 172C, 172D, 172RG 172E, 172F, 172G, 172H, 1721, Description of Type Design Change: 172K, 172L, 172M, 172N, 172P Installation of Madras Air Service 'Super Tips" in accordance with Drawing No.

102, Sheet 1, dated July 13, 1972, and Sheet 2, Revisions B, dated July 11, 1972.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of this model on whych other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate and Addendum No. SA2075WE shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: May 13, 1969 Date Reissued:

Date of Issuance: December 3, 1969 Date Amended: August 16, 1972; September 27, 1977 Sept. 2, 1980; Apr. 14, 1981; Feb. 4, 1982 FEDERAL AVIATION By f the I dministrator ( Signature ) TOMINIST RATION Chief, Seattle Area Aircraft Certification Office (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Amended February 4, 1982 Number: SA2075WE Supplemental Type Certificate ADDENDUM NO. SA2075WE The conditions and limitations of Type Certificate Data Sheet No. 3A12 and 3A17 apply except as follows:

This STC Addendum, which is part of Supplemental Type Certificate No. SA2975WE, 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 modified aircraft permanent records.

Supplemental Type Certificate HOLDER: Madras Air Service 1, 11, & 111: CESSNA MODELS 172, 172A, 172B, 172C, (NORMAL CATEGORY) AS MODIFIED BY STC SA2075WE Airspeed Limits* Maneuvering 109 mph ( 95 knots) Maximum Structural Cruising 133 mph (116 knots) Never Exceed 152 mph (132 knots) IV, V, VI: CESSNA MODELS 172D, 172E, 172F , 172G, 172H, 1721, 172K, 172L NORMAL CATEGORY, AS MODIFIED BY STC SA2075WE Airspeed Limits* Maneuver ing 116 mph (101 knots) Maximum Structural Cruising 133 mph (116 knots) Never Exceed 165 mph (143 knots) VII: CESSNA MODEL 172M (NORMAL CATEGORY) AS MODIFIED BY STC SA2075WE Airspeed Limits* (Serial Number 17256493, 17260759 through 17265684) Maneuver ing 106 mph Maximum Structural 137 mph Never Exceed 172 mph (Serial Number 17265685 through 17267584) Maneuver ing 92 knots Maximum Structural Cruising 121 knots Never Exceed 152 knots

FAA FORM 8110-2-1 (10-69) PAGE 3 OF 4 PAGES C FAA AC 73-2651

Amended February 4, 1982 STC Addendum No. SA2075WE VIlI: CESSNA MODEL 172N (NORMAL CATEGORY) AS MODIFIED BY STC SA2075WE Airspeed Limits* 1977 Model through 1979 Model Maneuvering 92 knots Maximum Structural Cruising 121 knots Never Exceed 152 knots 1980 Model and up Maneuver ing 92 knots Maximum Structural Cruising 121 knots Never Exceed 150 knots IX: CESSNA MODEL 172P, 4 PCL-SM (NORMAL CATEGORY) AS MODIFIED BY STC2075WE Airspeed Limits* (SERIAL NUMBER 17274010 and on (1981)) Maneuvering 94 knots Maximum Structural Cruising 121 knots Never Exceed 150 knots X : CESSNA MODEL 172RG (SKYHAWK RG) (NORMAL CATEGORY) AS MODIFIED BY STC SA2075WE Airspeed Limits* 1980, 1981 Model and up Maneuvering 101 knots Maximum Structural Cruising 137 knots Never Exceed 156 knots * THESE AIRSPEED LIMITS MAY BE USED IN LIEU OF GROSS WEIGHT

REDUCTIONS IMPOSED BY THE ORIGINAL STC AND ADDENDUM DATED DECEMBER 3, 1969.

NOTE 1: Conformity to Madras Air Service Drawing No. 102, Sheet 1, dated July 13, 1972, and Sheet 2, Revision B, dated July 11, 1972, must be established prior to release of the modified aricraft to Normal Category operations.

NOTE 2: In addition to the changes required abyve, the aircraft weight and Balance Report must be revised as follows at the time of the modification.

Weight of Super Tips, i 9.5 1bs. total; Deduct weight of the tips being removed from the weight of the "Super Tips" and add the difference to the aircraft empty weight. The moment change is negligible.

The Utility Category placards will be deleted when "Super Tips" are installed.

In addition, the placards required by Type Certificate Data Sheet 3A12, Note 2, must be revised as follows:

NOTE 2.A(4) and 2.A(5) Model 172L MANEUVERING SPEED (CAS) 116 MPH (101 KNOTS)

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