# Accident 19880405069699A: Beech B90, St Paul, MN, April 5, 1988

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 5, 1988, 15:15 local time
- Place: St Paul, MN
- Airport: St Paul Downtown Holman Fld
- Damage: Substantial damage
- Phase of flight: Descent
- Operating rules: Air taxi and commuter (Part 135)
- Operator: BERA
- Location: 44.9297° N, 93.0804° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=44.9297&lon=-93.0804&mi=10
- Aircraft: N181LL, a cancelled registration (https://openairdocs.org/deregistered/N181LL-1991-04-09) (OpenAirDocs)
- Registry model: Beech B90 (registry code 1152912, https://openairdocs.org/model/beech-b90) (OpenAirDocs)
- Reported make and model: BEECH B90
- Reported engine: PWA PT6A135
- People aboard: 5
- Fatal injuries: 0
- Pilot flight hours: 5,005 total, 900 in this make and model, 20 in the last 90 days
- NTSB investigation: [NTSB CHI88FA091](https://openairdocs.org/ntsb/CHI88FA091) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19880405069699A

## Narrative

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

UNCOMMANDED PITCHOVER. REGAINED CONTROL AFTER DIVE DAMAGED AIRFRAME.

## 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 CHI88FA091](https://openairdocs.org/ntsb/CHI88FA091), Apr 5, 1988: Beech B90 (N181LL), St. Paul, MN, substantial damage. Probable cause: MECHANICAL FAILURE AND STICKING OF THE PILOTS THUMB OPERATED TRIM SWITCH CAUSING NOSE DOWN PITCH COMMAND. THE FAILURE OF THE CABIN HEATER AND THE LOW CABIN TEMPERATURE ARE CONTRIBUTING FACTORS.

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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