Accident: Avions Mudry Cie CAP 231
May 27, 2017 · Lebanon, PA
NTSB numberERA17LA194Event id20170530X94052
- 0
- Fatalities
- 0
- Serious injuries
- 0
- Minor injuries
- 1
- Uninjured
Probable cause
The partial separation of one counterweight and the subsequent seizure of the engine due to mechanical interference. Contributing to the partial separation of the counterweight was the overstress fracture of a retaining ring and the fatigue fracture of the counterweight washer for reasons that could not be determined based on the available evidence.
Source: National Transportation Safety Board. Record last changed Oct 28, 2026, 10:54 UTC.
Aircraft involved
- Aircraft
- Avions Mudry Cie CAP 231
- Registration
- N231X
- Year built
- 1990
- Category
- Airplane
- Damage
- Substantial
- Operating rules
- Part 91: general aviation
- Defining event
- Maneuvering-aerobatics Loss of engine power (total)
Source: National Transportation Safety Board aviation accident database. Counts only; Voydar holds no names.
Nearest airports
Airports with a Voydar profile closest to the recorded position. Proximity only.
- Lancaster Airport (LNS)10 nm (19 km) south
- Muir Army Air Field (Fort Indiantown Gap) Airport (MUI)14 nm (26 km) north-west
- Reading Regional Airport (Carl A Spaatz Field) (RDG)18 nm (33 km) east
This page restates the NTSB's public record. Injury figures are counts; Voydar does not hold or publish the names of anyone involved.