2022-04-04: Reciprocating Engine Oil System
FAA order 2022-04-04 is an airworthiness directive in force since March 29, 2022. The FAA's subject line: Reciprocating Engine Oil System. It names the Continental C-125-2, Continental C125 series, Continental C145-2, Continental C145-2H, Continental IO-360-C, Continental IO-360-D, Continental IO-360-DB, Continental IO-360-H, Continental IO-360-K, Continental IO-360-KB, Continental IO-360 series, Continental IO-470-S, Continental IO-470 series, Continental IO-520-A, Continental IO-520-B, Continental IO-520-BA, Continental IO-520-BB, Continental IO-520-C, Continental IO-520-D, Continental IO-520-L, Continental IO-520 series, Continental IO-550-B, Continental IO-550-G, Continental O-300-B, Continental O-300-C, Continental O-300-D, Continental O-300 series, Continental O-470-11, Continental O-470-15, Continental O-470-A, Continental O-470-G, Continental O-470-J, Continental O-470-K, Continental O-470-L, Continental O-470-M, Continental O-470-S, Continental O-470 series, Continental O-470-U, Continental O-470R, Continental TSIO-360-E, Continental TSIO-360-EB, Continental TSIO-360-FB, Continental TSIO-360 GB, Continental TSIO-360-LB, Continental TSIO-360-MB, Continental TSIO-360-SB, Continental TSIO-360 series, Continental TSIO-520-C, Continental TSIO-520-CE, Continental TSIO-520-E, Continental TSIO-520-UB engines: about 38,885 aircraft on the U.S. register today across them, though an order usually covers particular versions or serial numbers rather than every one. System: engine.
What it applies to as the FAA lists it
- Kind of product
- Engine
- Makes
- Continental Aerospace Technologies Inc.; Continental Motors
- Models
- C-125-1, C-125-2, C145-2, C145-2H, IO-360-C, IO-360-D, IO-360-DB, IO-360-H, IO-360-HB, IO-360-K, IO-360-KB, IO-470-E, IO-470-S, IO-550-B, IO-550-G, O-300-B, O-300-C, O-300-D, O-300-E, O-470-A, O-470-B, O-470-G, O-470-J, O-470-K, O-470-L, O-470-M, O-470-N, O-470-R, O-470-S, O-470-U, O-470-11, O-470-15, TSIO-360-E, TSIO-360-EB, TSIO-360-F, TSIO-360-FB, TSIO-360-GB, TSIO-360-LB, TSIO-360-MB, TSIO-360-SB, TSIO-520-C, TSIO-520-CE, TSIO-520-E, TSIO-520-UB, IO-520-A, IO-520-B, IO-520-BA, IO-520-BB, IO-520-C, IO-520-D, IO-520-J, IO-520-L
- Engine series
- Continental C-125-2 2 aircraft
Continental C125 series 322 aircraft
Continental C145-2 11 aircraft
Continental C145-2H 1 aircraft
Continental IO-360-C 14 aircraft
Continental IO-360-D 34 aircraft
Continental IO-360-DB 2 aircraft
Continental IO-360-H 2 aircraft
Continental IO-360-K 9 aircraft
Continental IO-360-KB 9 aircraft
Continental IO-360 series 1,853 aircraft
Continental IO-470-S 7 aircraft
Continental IO-470 series 4,723 aircraft
Continental IO-520-A 8 aircraft
Continental IO-520-B 16 aircraft
Continental IO-520-BA 25 aircraft
Continental IO-520-BB 43 aircraft
Continental IO-520-C 4 aircraft
Continental IO-520-D 95 aircraft
Continental IO-520-L 11 aircraft
Continental IO-520 series 9,484 aircraft
Continental IO-550-B 373 aircraft
Continental IO-550-G 115 aircraft
Continental O-300-B 2 aircraft
Continental O-300-C 4 aircraft
Continental O-300-D 31 aircraft
Continental O-300 series 6,622 aircraft
Continental O-470-11 4 aircraft
Continental O-470-15 2 aircraft
Continental O-470-A 5 aircraft
Continental O-470-G 3 aircraft
Continental O-470-J 6 aircraft
Continental O-470-K 13 aircraft
Continental O-470-L 19 aircraft
Continental O-470-M 4 aircraft
Continental O-470-S 22 aircraft
Continental O-470 series 12,781 aircraft
Continental O-470-U 56 aircraft
Continental O-470R 105 aircraft
Continental TSIO-360-E 6 aircraft
Continental TSIO-360-EB 13 aircraft
Continental TSIO-360-FB 29 aircraft
Continental TSIO-360 GB 17 aircraft
Continental TSIO-360-LB 9 aircraft
Continental TSIO-360-MB 7 aircraft
Continental TSIO-360-SB 1 aircraft
Continental TSIO-360 series 1,908 aircraft
Continental TSIO-520-C 17 aircraft
Continental TSIO-520-CE 3 aircraft
Continental TSIO-520-E 6 aircraft
Continental TSIO-520-UB 27 aircraft
Dates and paperwork
- In force since
- March 29, 2022
- Published
- February 22, 2022 (signed February 4, 2022)
- Docket
- FAA-2021-0875
- Replaced by
- 2023-17-04
- Status
- Historical
- The FAA's document
- Read the order on the FAA's site
The FAA's summary their words, unchanged
The FAA is adopting a new airworthiness directive (AD) for certain Continental Aerospace Technologies, Inc. C-125, C145, IO-360, IO-470, IO-550, O-300, O-470, TSIO-360, TSIO-520 series model reciprocating engines and certain Continental Motors IO-520 series model reciprocating engines with a certain oil filter adapter installed. This AD was prompted by reports of two accidents that were the result of power loss due to oil starvation. This AD requires replacing the oil filter adapter fiber gasket (fiber gasket) with an oil filter adapter copper gasket (copper gasket). The FAA is issuing this AD to address the unsafe condition on these products.
The order itself the regulatory text, as published
Show the full text (5,484 characters)
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of October 5, 2026. Connections as data: /graph/directive/2022-04-04.json · aircraft systems.
