# NTSB SEA91LA091: Schwartz Bushby MM-1, N484N, Ephrata, WA, April 20, 1991

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Limited investigation · Final report
- Date: April 20, 1991, 13:00 local (20:00 UTC)
- Place: Ephrata, WA
- Coordinates: 47.270538, -119.589927 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.2705&lon=-119.5899&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report March 31, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 41417
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA91LA091
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/41417/pdf
- Page: https://openairdocs.org/ntsb/SEA91LA091

## Probable cause

THE PILOT'S LOSS OF CONTROL AFTER HE INITIATED A MANEUVER AT LOW ALTITUDE.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of control - in flight, maneuvering
  - maneuver - initiated, pilot in command
  - aircraft control - not maintained, pilot in command (cause)
- In flight collision with terrain/water, maneuvering

## Analysis

THE PILOT OF AN AMATEUR-BUILT BUSHBY 'MIDGET MUSTANG' LOST CONTROL OF THE AIRCRAFT AT LOW ALTITUDE, WHILE CIRCLING HIS BROTHER-IN-LAW'S RESIDENCE.  THE AIRCRAFT CRASHED INTO AN OPEN FIELD MOMENTS AFTER THE WINGS WERE ROLLED LEVEL FROM A STEEP BANK.

## Aircraft

- Registration: [N484N](https://openairdocs.org/deregistered/N484N-2013-07-02), registration cancelled 2013-07-02, S/N 784, built 1988 (OpenAirDocs)
- Reported make and model: SCHWARTZ BUSHBY MM-1 (BUSHBY MM-)
- Registry model: [Schwartz Raymond G BUSHBY MM-1](https://openairdocs.org/model/schwartz-raymond-g-bushby-mm-1) (registry code 1690518) (OpenAirDocs)
- Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: 784
- Engines: LYCOMING O-290 135 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Personal, Part 91
- Operator: Raymond G. Schwartz
- Registered owner: Raymond G. Schwartz
- Departed: EPH, EPHRATA, WA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; flight instructor, commercial; airplane ratings: single-engine land, single-engine sea; instrument ratings: airplane; medical: class 3, valid medical--no waivers/lim.; toxicology performed; flight hours: 1,000 total

## Weather

- Conditions: Visual (VMC), Day
- Wind: 70° at 9 knots
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: -0 °F, dew point -0 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19910420011569A](https://openairdocs.org/incident/19910420011569A), Apr 20, 1991: Amtrbb MUSTANGMIDGT, Ephrata, WA, Destroyed, 1 fatal. After low pass over residence made steep turn apparently stalling aircraft. Crashed and burned.

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.

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