# Incident 19840620033029I: Beech C99, San Franciso, CA, June 20, 1984

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: June 20, 1984, 13:44 local time
- Place: San Franciso, CA
- Airport: San Franciso
- Phase of flight: Normal Cruise
- Operating rules: Air taxi and commuter (Part 135)
- Operator: WWMA
- Aircraft: N63978, registered now (https://openairdocs.org/aircraft/N63978) (OpenAirDocs)
- Registry model: Beech C-99 (registry code 1154006, https://openairdocs.org/model/beech-c-99) (OpenAirDocs)
- Registry engine: Pratt & Whitney Canada PT6A-60A (registry code 52043, https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60a) (OpenAirDocs)
- Reported make and model: BEECH C99
- Reported engine: PWA PT6A36
- People aboard: 14
- Fatal injuries: 0
- Pilot flight hours: 3,900 total, 770 in this make and model, 170 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19840620033029I

## Narrative

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

LOW OIL PRESSURE INDICATION. FOUND A PIN HOLE IN OIL LINE TO THE OIL PRESSURE TRANSMITTER.

## Other reports on N63978 (4)

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

- [Incident 19941208045319I](https://openairdocs.org/incident/19941208045319I), Dec 8, 1994: Beech C99 (N63978), Kansas City, MO. Unsafe gear on approach. Landed safe. Left main gear light bulb inop. Hyraulic resevoir low. Light replaced.
- [Accident 19930224005322A](https://openairdocs.org/incident/19930224005322A), Feb 24, 1993: Beech C99 (N63978), Seattle, WA, Substantial damage. During holding and run up advised cut power due N9279E in wake. Aeronca engine quit. Pilot propped it. Hit Beech.
- [Incident 19900210014379I](https://openairdocs.org/incident/19900210014379I), Feb 10, 1990: Beech C99 (N63978), Portland, OR, Minor damage. Sparks from under instrument panel. Returned. Found shorted wire to pilots windshield heat.
- [Incident 19860924062869I](https://openairdocs.org/incident/19860924062869I), Sep 24, 1986: Beech C99 (N63978), Santa Ana, CA, Minor damage. During climb, pilots emergency access window door separated aircraft. Returned for a safe landing.

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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