# Accident 19910920046829A: Piper PA23250, Boscobel, WI, September 20, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 20, 1991, 16:23 local time
- Place: Boscobel, WI
- Airport: Boscobel Airport
- Damage: Substantial damage
- Phase of flight: Level Off Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 43.1307° N, 90.7007° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=43.1307&lon=-90.7007&mi=10
- Aircraft: N915PM, a cancelled registration (https://openairdocs.org/deregistered/N915PM-2015-06-29) (OpenAirDocs)
- Registry model: Piper PA-23-250 (registry code 7102308, https://openairdocs.org/model/piper-pa-23-250) (OpenAirDocs)
- Registry engine: Lycoming TI0-540 series (registry code 41533, https://openairdocs.org/engine/lycoming-ti0-540-series) (OpenAirDocs)
- Reported make and model: PIPER PA23250
- Reported engine: LYC TIO540C1A
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 544 total, 38 in this make and model
- NTSB investigation: [NTSB CHI91LA299](https://openairdocs.org/ntsb/CHI91LA299) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910920046829A

## Narrative

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

ON MEL FLIGHT TEST. GAVE ENGINE OUT. REPORTED POWER LOSS. UNABLE TO DETECT WHICH ENGINE. MISUSED EMERGENCY GEAR.

## 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 CHI91LA299](https://openairdocs.org/ntsb/CHI91LA299), Sep 20, 1991: Piper PA-23-250 (N915PM), Boscobel, WI, substantial damage. Probable cause: IMPROPER REMEDIAL ACTION BY THE PILOT-IN-COMMAND (PIC), AND INADEQUATE MONITORING BY THE DESIGNATED PILOT EXAMINER (DPE) DURING A SIMULATED EMERGENCY PROCEDURE. FACTORS RELATED TO THE ACCIDENT WERE:…

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.