What it approves
Install the Champion Limited Authority Spark Advance Regulator (LASARTM) ignition system
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.
Part 3 of the Civil Air Regulations.
(See Type Certificate Data Sheet 3A12 for the complete certification basis).
Original Product--Type Certificate Number: 3A12 Make: Cessna
Model : 172I, 172K, 172L, 172M, 172N*, 172P, * Penn Yan STC SA1356GL Description of Type Design Change:
Install the Champion Limited Authority Spark Advance Regulator (LASARTM) ignition system in accordance with STC SE419CH and Unison Service Letter SL2-95, Revision D, dated March 29, 1996, or later FAA approved revisions.
1. Compatibility of this design change with previously approved modifications must be determined by the installer.
2. LASARTM ignition system may result in higher cylinder head temperature (CHT). Follow the mixture leaning procedures contained in the original Flight Manual to maintain CHT below the maximum limit..
3. Unison Flight Manual Supplement FMS 1-95, dated 10/4/95 or later FAA approved revision is required for this installation.
4. A copy of this certificate must be maintained as part of the permanent records for the modified aircraft.
5. Check weight and balance calculations.
6. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.
Champion Aerospace LLC 1230 Old Norris Road Liberty, SC 29657
Date reissued : February 14, 1996, April 9, 1996, February 10, 2009 Date amended : April 9, 1996
Original Signed By: Thaddeus D. Krolicki, Jr
( Signature) Thaddeus D. Krolicki, Jr.
Manager, Propulsion Branch Chicago Aircraft Certification Office
( Title)
Date of application : May 5, 1995
Date of issuance : October 18, 1995
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.