STC SA4-173
Historical · Reissued · Aircraft · Small Airplane · Rev 11/14/2019 · FAA STC database
Installation of Lycoming O-235-C1, O-235-C2C, O-290-D, O-290-D2, O-320 engine. View PDF on drs.faa.gov ↗
The STC PDF is authoritative: installation instructions, ICA requirements and limitations.
Applicable aircraft (3)
Certification basis — 14 CFR
Specific sections