FAA · Type Certificate Data Sheet
TCDS 1E12
Lycoming Engines
Models covered (32)
- AEIO-320-E1B
- IO-320-F1A
- IO-320-B2A
- IO-320-D1A
- AEIO-320-E1A
- IO-320-B1D
- AIO-320-A1B
- IO-320-B1B
- AIO-320-A1A
- IO-320-E2B
- AIO-320-B1B
- IO-320-C1A
- IO-320-B1A
- AEIO-320-E2B
- IO-320-A2A
- LIO-320-B1A
- IO-320-A1A
- AIO-320-A2A
- LIO-320-C1A
- IO-320-E2A
- IO-320-B1C
- AIO-320-C1B
- IO-320-D1B
- AEIO-320-E2A
- IO-320-E1B
- AIO-320-A2B
- IO-320-E1A
- AEIO-320-D2B
- IO-320-C1B
- IO-320-D1C
- AEIO-320-D1B
- IO-320-B1E
Special Airworthiness Information Bulletins (7)
Advisory bulletins on these airframes. Not mandatory like ADs — but operators tracking AD compliance often miss the SAIB on the same component.
- NE-19-08 Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders
- NE-08-32R1 Propeller Governor Idler Gear Shaft Set Screw
- NE-14-13 Reciprocating Engine - Cylinder Mounting Studs
- NE-09-04 Fuel Control/Reciprocating Engines
- NE-06-32R1 Reciprocating Engine - Crankshaft
- NE-05-40
- NE-13-06 Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series Engines
Former holders
- Textron Lycoming, AVCO Corporation
The TCDS PDF on drs.faa.gov is the authoritative document for design-as-certified weight limits, performance, equipment, AD compliance times, and operating limitations. Open on drs.faa.gov ↗ DRS frequently breaks — when it does, the fleet view above and the cross-links below are usually what you actually need.