# Incident 19990120011429I: Mooney M20J, West Chester, PA, January 20, 1999

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: January 20, 1999, 09:30 local time
- Place: West Chester, PA
- Airport: Brandywine Airport
- Damage: Minor damage
- Phase of flight: Roll-Out (Fixed Wing)
- Operating rules: General operating rules (Part 91)
- Location: 39.9901° N, 75.5819° W: Placed by OpenAirDocs at BRANDYWINE RGNL (OQN), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9901&lon=-75.5819&mi=10
- Aircraft: N20JX, registered now (https://openairdocs.org/aircraft/N20JX) (OpenAirDocs)
- Registry model: Mooney M20J (registry code 5870219, https://openairdocs.org/model/mooney-m20j) (OpenAirDocs)
- Registry engine: Continental IO-360 series (registry code 17025, https://openairdocs.org/engine/continental-io-360-series) (OpenAirDocs)
- Reported make and model: MOONEY M20J
- Reported engine: LYC IO360A3B6
- People aboard: 1
- Fatal injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990120011429I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ON JANUARY 20,1999, AT APPROXIMATELY 0930, AIRCRAFT N20JX WAS LANDING RUNWAY 29 AT BRANDYWINE AIRPORT (N99). ON APPROACH PILOT COMPLETED CHECK LIST AND NOTED ALL GEAR DOWN AND LOCKED. IMMEDIATELY AFTER TOUCHDOWN THE RIGHT LANDING GEAR BEGAN TO FOLD AND AIRCRAFT VEEREED TO THE RIGHT, OFF THE RUNWAY. AIRCRAFT CAME TO REST IN THE GRASS ON THE NORTH SIDE OF THE RUNWAY. A REVIEW OF THE AIRCRAFT RECORDS FOUND THAT THE LANDING GEAR DOWN LIGHT LIMIT SWITCH WAS REPLACED A FEW HOURS BEFORE THIS INCIDENT. ^PRIVACY DATA OMITTED^

## Other reports on N20JX (1)

Matched to the same aircraft by N-number and date.

- [Incident 20200722010689I](https://openairdocs.org/incident/20200722010689I), Jul 22, 2020: Mooney M20J (N20JX), Georgetown, KY, Minor damage. Aircraft landed gear up. No injuries. 3rd party overheard the two pilots state that they never heard the gear-up audio warning. The owner / PIC stated that…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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