Rotax 503DC
18 aircraft on the U.S. register carry a Rotax 503DC engine, rated at about 52 horsepower. The Abbott John R CH2CW is the model most often fitted with it (1 aircraft). The aircraft carrying it were built between 1985 and 2008.
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 Rotax 503DC. FAA spelling: 503DC.
Fitted to model families
Model families, as a table
| aircraft | |
|---|---|
| Abbott John R CH2CW | 1 |
| Air Trikes Enterprises EAGLE | 1 |
| Cassetta Thomas F Jr CHALLENGER II | 1 |
| Clegg Marvin MXL II SPORT | 1 |
| Fant Jonathan ROTOR LIGHTNING | 1 |
| Heideberg Designs Llc 1999 EXPRESS | 1 |
| Jelinek Vladimir CHALLENGER II | 1 |
| Levings Margaret CHALLENGER II | 1 |
| Lockemeyer Robert B QUICKSILVER GT400 | 1 |
| Maxair DRIFTER XP503 | 1 |
| Maxair Aircraft Corp DRIFTER | 1 |
| New Avenger Aircraft AIRPLANE | 1 |
Abbott John R CH2CW · Air Trikes Enterprises EAGLE · Cassetta Thomas F Jr CHALLENGER II · Clegg Marvin MXL II SPORT · Fant Jonathan ROTOR LIGHTNING · Heideberg Designs Llc 1999 EXPRESS · Jelinek Vladimir CHALLENGER II · Levings Margaret CHALLENGER II · Lockemeyer Robert B QUICKSILVER GT400 · Maxair DRIFTER XP503
Where they are owner's state
Kind of aircraft
By kind, as a table
| aircraft | share | |
|---|---|---|
| Piston singles | 14 | 78% |
| Weight-shift and powered parachutes | 3 | 17% |
| Gyroplanes | 1 | 6% |
Connections how this engine series links to the rest of the register
- Quicksilver MXL II 1 with this engine series
- New York 2 of these aircraft
- Florida 2 of these aircraft
- Arizona 2 of these aircraft
- Wisconsin 1 of these aircraft
- Washington 1 of these aircraft
The whole map of how records connect · these connections as data: /graph/engine/rotax-503dc.json.
Aircraft newest certificates first · 18
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|---|
| N415MB | Abbott John R CH2CW |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2026-04-23 | ValidFAA registration status code V: Valid registration. All codes |
| N855LL | Cassetta Thomas F Jr CHALLENGER II |
Fixed-wing, single engine | Individual owner New York |
Experimental | 2025-07-11 | ValidFAA registration status code V: Valid registration. All codes |
| N342TM | Levings Margaret CHALLENGER II |
Fixed-wing, single engine | Individual owner Tennessee |
Experimental | 2025-03-25 | ValidFAA registration status code V: Valid registration. All codes |
| N2513S | New Avenger Aircraft AIRPLANE |
Fixed-wing, single engine | Individual owner Texas |
Experimental | 2025-01-21 | ValidFAA registration status code V: Valid registration. All codes |
| N1944X | Jelinek Vladimir CHALLENGER II |
Fixed-wing, single engine | Individual owner Wisconsin |
Experimental | 2024-04-25 | ValidFAA registration status code V: Valid registration. All codes |
| N80719 | Maxair Aircraft Corp DRIFTER |
Fixed-wing, single engine | Individual owner Michigan |
Experimental | 2023-01-06 | ValidFAA registration status code V: Valid registration. All codes |
| N4317U | Rolston Ned CHALLENGER II |
Fixed-wing, single engine | Individual owner Indiana |
Experimental | 2022-07-23 | ValidFAA registration status code V: Valid registration. All codes |
| N3283N | Northwing Design APACHE SPORT |
Weight-shift control | Individual owner Pennsylvania |
Experimental | 2022-04-25 | ValidFAA registration status code V: Valid registration. All codes |
| N8606A | Maxair DRIFTER XP503 |
Fixed-wing, single engine | Individual owner Florida |
Experimental | 2020-07-13 | ValidFAA registration status code V: Valid registration. All codes |
| N964J | Heideberg Designs Llc 1999 EXPRESS |
Powered parachute | Individual owner Kentucky |
Experimental | 2016-05-05 | ValidFAA registration status code V: Valid registration. All codes |
| N318MC | Clegg Marvin MXL II SPORT |
Fixed-wing, single engine | Individual owner North Carolina |
Experimental | 2014-11-14 | ValidFAA registration status code V: Valid registration. All codes |
| N719VC | Fant Jonathan ROTOR LIGHTNING |
Gyroplane | Individual owner Arizona |
Experimental | 2014-10-24 | ValidFAA registration status code V: Valid registration. All codes |
| N901GH | Quad City/Houston Greg CHALLENGER II |
Fixed-wing, single engine | Individual owner Washington |
Experimental | 2014-08-19 | ValidFAA registration status code V: Valid registration. All codes |
| N5142F | Quad City Ultralight Acft Corp CHALLENGER II SPEC |
Fixed-wing, single engine | Individual owner Illinois |
Experimental | 2011-04-06 | ValidFAA registration status code V: Valid registration. All codes |
| N6056B | Lockemeyer Robert B QUICKSILVER GT400 |
Fixed-wing, single engine | Individual owner New York |
Experimental | 2007-10-04 | ValidFAA registration status code V: Valid registration. All codes |
| N163AB | Air Trikes Enterprises EAGLE |
Weight-shift control | Individual owner Arizona |
Experimental | 2007-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N55012 | Quicksilver MXL II |
Fixed-wing, single engine | Individual owner Alabama |
Experimental | 2007-09-06 | ValidFAA registration status code V: Valid registration. All codes |
| N9148R | Preston Lawrence D BEAVER RX-550 |
Fixed-wing, single engine | Individual owner California |
Experimental | 2006-12-12 | 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 23, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.
