# Incident 19780129004429I: Blanca 7KCAB, Chelmsford, MA, January 29, 1978

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: January 29, 1978, 16:26 local time
- Place: Chelmsford, MA
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 42.5998° N, 71.3673° W: Placed by OpenAirDocs: center of Chelmsford, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5998&lon=-71.3673&mi=10
- Aircraft: N88046 (not matched to a registry record)
- Reported make and model: BLANCA 7KCAB
- Reported engine: LYC O320*
- Fatal injuries: 0
- Pilot flight hours: 2,900 total, 150 in this make and model, 0 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19780129004429I

## Narrative

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

LOST ENGINE OIL PRESSURE IN FLIGHT. CAVITATION OF OIL PESSUE RELIEF VALVE DUE TO EXTENDED INVERTED FLIGHT.

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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