What it approves
Installation of either a Lycoming engine O-290-D (125 HP) or O-290- D2(135 HP) with Sensenich propeller M74RM.
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
SA202EA Steve Pierce 196 US Hwy 380 East Graham, TX 76450 3 Civil Air Regulations 780 Piper PA-12 & PA-12S
1. Original airspeed limits, gross weight and C.G. limitations are applicable.
2. J. A. Myers Airplane Flight Manual Supplement approved June 1, 1964, is required. (NOTE: PA-12 and PA-12S aircraft have different AFM Supplements).
(continued on Page 3) 2/4/1964 9/7/1976 3/12/2025 6/1/1964 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division
3 Installation of either Lycoming engine Model 0-290-D (125 hp.) or 0-290-D2 (135 hp.) with Sensenich propeller Model M74DM in accordance J. A. Myers Installation Manual (dated February 1, 1964) and Dwgs. JM-2 through JM-5. Engine mount modification required with 0-290-D2 (135 hp.) installation.
SA202EA 03/12/25 3
SA202EA 03/12/25 Limitations and Conditions (continued):
3. This approval should not be extended to other specific airplanes of these models on which other previously approved modifications are incorporated unless it is determined that the inter-relationship between this change and any of those other previously approved modifications will introduce no adverse affect upon the airworthiness of that airplane. Compatibility of this modification with other previously approved modifications must be determined by the installer.
4. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.
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