# Accident 19830520020329A: Mooney M20K, Old Lyme, CT, May 20, 1983

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 20, 1983, 14:20 local time
- Place: Old Lyme, CT
- Damage: Destroyed
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Location: 41.3159° N, 72.3290° W: Placed by OpenAirDocs: center of Old Lyme, CT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.3159&lon=-72.3290&mi=10
- Aircraft: N231HT, a cancelled registration (https://openairdocs.org/deregistered/N231HT-2017-04-04) (OpenAirDocs)
- Registry model: Mooney M20K (registry code 5870220, https://openairdocs.org/model/mooney-m20k) (OpenAirDocs)
- Registry engine: Continental TSIO-360 series (registry code 17019, https://openairdocs.org/engine/continental-tsio-360-series) (OpenAirDocs)
- Reported make and model: MOONEY M20K
- Reported engine: CONT TSIO360GB
- Fatal injuries: 0
- Pilot flight hours: 3,900 total, 0 in this make and model, 0 in the last 90 days
- NTSB investigation: [NTSB NYC83FA121](https://openairdocs.org/ntsb/NYC83FA121) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19830520020329A

## Narrative

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

LOST VACUUM INSTRUMENTS DUE TO A SHEARED VACUUM PUMP SHAFT. LOST CONTROL OF AIRCRAFT. NO REFERENCE TO A BASIC PANEL

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB NYC83FA121](https://openairdocs.org/ntsb/NYC83FA121), May 20, 1983: Mooney M-20K (N231HT), Old Lyme, CT, destroyed, 1 fatal

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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