# NTSB LAX88DUG04: Bushby Mustang II, N1AZ, Upland, CA, June 10, 1988

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Final report
- Date: June 10, 1988, 14:30 local (21:30 UTC)
- Place: Upland, CA
- Coordinates: 34.099155, -117.659484 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.0992&lon=-117.6595&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report November 7, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 25718
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX88DUG04
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25718/pdf
- Page: https://openairdocs.org/ntsb/LAX88DUG04

## Sequence of events

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

- Airframe/component/system failure/malfunction, maneuvering
  - window,canopy - separation (cause)

## Analysis

DURING A PLEASURE FLIGHT, WHILE FLYING S TURNS AND LAZY EIGHTS, THE CANOPY SUDDENLY SEPARATED FROM THE AIRPLANE. THE AIRPLANE WAS LANDED WITHOUT FURTHER INCIDENT. THE CANOPY WAS NOT RECOVERED. THE REASON FOR THE SEPARATION WAS NOT DETERMINED.

## Aircraft

- Registration: N1AZ (not matched to a registry record)
- Reported make and model: BUSHBY MUSTANG II
- Category: Airplane, amateur-built
- Serial number: 495
- Engines: LYCOMING O-320-A28 150 horsepower reciprocating
- Damage: Minor damage
- Flight: Personal, Part 91
- Registered owner: Brown, Raymond H.
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Annual, May 2, 1988
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 56; private; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 2,000 total, 250 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: 75 °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 19880610023889A](https://openairdocs.org/incident/19880610023889A), Jun 10, 1988: Amtrbb MUSTANG2, Upland, CA, Minor damage. Canopy left the aircraft while performing lazy 8S both pilots received facial injuries. Indicates latch problem

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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