Lycoming GO-435-C2B2
5 aircraft on the U.S. register carry a Lycoming GO-435-C2B2 engine, rated at about 260 horsepower. The Helio H-391 is the model most often fitted with it (1 aircraft). The aircraft carrying it were built between 1954 and 2024.
The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Lycoming GO-435-C2B2. FAA spelling: GO-435-C2B2.
Fitted to model families
Helio H-391 · Jon Staudacher MK XVII · Jon Staudacher S260G · Jon Staudacher S520XX · Robert Godfrey Schachle Jr C-S-H
Where they are owner's state
Kind of aircraft
When the aircraft were built by decade
What the FAA has certified, ordered and been told about the Lycoming GO-435-C2B2 the component layer
The design is held under 1 type certificate (E-228, held by Lycoming Engines). The FAA has issued 7 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 1 failure report with the FAA since 1995, 1 of them in the last ten years.
FAA orders 7 airworthiness directives · newest first
Failure reports 1 since · what operators and shops told the FAA
Parts most often reported as the reports name them
Latest reports
Certificates and bulletins
Safety bulletins 2 · advice, not orders
Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.
Connections how this engine series links to the rest of the register
- Helio H-391 1 with this engine series
- FAA orders naming the Lycoming GO-435-C2B2 7 airworthiness directives
- Failure reports on the Lycoming GO-435-C2B2 1 reports since 1995
These connections as data: /graph/engine/lycoming-go-435-c2b2.json · about the eFlight graph.
Aircraft newest certificates first · 5
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N907S | Robert Godfrey Schachle Jr C-S-H |
Fixed-wing, single engine | Co-owned owner Alaska |
Experimental | 2026-03-30 | ValidFAA registration status code V: Valid registration. All codes |
| N260SG | Jon Staudacher S260G |
Fixed-wing, single engine | Individual owner Tennessee |
Experimental | 2025-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N244SG | Jon Staudacher S520XX |
Fixed-wing, single engine | Individual owner Michigan |
Experimental | 2024-07-09 | ValidFAA registration status code V: Valid registration. All codes |
| N242B | Helio H-391B |
Fixed-wing, single engine | Individual owner Vermont |
Standard | 2022-09-16 | ValidFAA registration status code V: Valid registration. All codes |
| N720SG | Jon Staudacher MK XVII |
Fixed-wing, single engine | Individual owner Michigan |
Experimental | 2018-02-06 | ValidFAA registration status code V: Valid registration. All codes |
Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.