Yamaha (converted) RX-1
2 aircraft on the U.S. register carry a Yamaha (converted) RX-1 engine, rated at about 150 horsepower. The Bud Wiitala CHUTE 66 is the model most often fitted with it (1 aircraft). The aircraft carrying it were built between 2025 and 2026.
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 Yamaha (converted) RX-1. FAA spelling: RX-1.
Fuel: 100LL avgas; the maker also approves Car gasoline (mogas), UL91 unleaded avgas, UL94 unleaded avgas.
Fitted to model families
Model families, as a table
| aircraft | |
|---|---|
| Bud Wiitala CHUTE 66 | 1 |
| Geffery R Croy ROCK HOPPER STOL | 1 |
Bud Wiitala CHUTE 66 · Geffery R Croy ROCK HOPPER STOL
Kind of aircraft
By kind, as a table
| aircraft | share | |
|---|---|---|
| Piston singles | 1 | 50% |
| Weight-shift and powered parachutes | 1 | 50% |
Connections how this engine series links to the rest of the register
- Washington 1 of these aircraft
- Texas 1 of these aircraft
The whole map of how records connect · these connections as data: /graph/engine/yamaha-converted-rx-1.json.
Aircraft newest certificates first · 2
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N126GC | Geffery R Croy ROCK HOPPER STOL |
Fixed-wing, single engine | Individual owner Washington |
Experimental | 2026-08-25 | ValidFAA registration status code V: Valid registration. All codes |
| N966KW | Bud Wiitala CHUTE 66 |
Powered parachute | Individual owner Texas |
Experimental | 2025-04-15 | 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), November 13, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.