# NTSB LAX87DUG02: Prue Standard Unknown, N9726Z, Hemet, CA, March 8, 1987

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Final report
- Date: March 8, 1987, 14:13 local (21:13 UTC)
- Place: Hemet, CA
- Location: 33.7341° N, 116.9968° W: Placed by OpenAirDocs: center of Hemet, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.7341&lon=-116.9968&mi=10
- Phase of flight: [Unknown](https://openairdocs.org/ntsb-phases/990) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report October 7, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 25297
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX87DUG02
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25297/pdf
- Page: https://openairdocs.org/ntsb/LAX87DUG02

## Sequence of events

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

- Loss of control - in flight, unknown
  - reason for occurrence undetermined (cause)
- In flight collision with terrain/water, descent - uncontrolled
  - terrain condition - mountainous/hilly

## Analysis

DURING A LOCAL SOARING FLIGHT, THE ACFT WAS SEEN BY A WITNESS TO BE IN A VERTICAL DIVE AND APPEARED TO BE INTACT WHEN IT IMPACTED THE TERRAIN. INSPECTION OF THE AIRCRAFT REVEALED NO CONTROL SYSTEM MALFUNCTIONS. THE PLTS FLT TIME WAS 38 HRS AS OF 2/5/85 THE DATE OF HIS LAST MEDICAL EXAM. NO FURTHER RECORD.

## Aircraft

- Registration: N9726Z (not matched to a registry record)
- Reported make and model: PRUE STANDARD UNKNOWN
- Category: Glider, amateur-built
- Serial number: 1
- Engines: NONE NONE unknown
- Damage: Destroyed
- Flight: Personal, Part 91
- Operator: Academic Soaring Club, Inc.
- Registered owner: Academic Soaring Club Inc.
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Annual, January 31, 1987

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; private; medical: class 3, unknown; seat: front; toxicology performed; flight hours: 38 total

## Weather

- Conditions: Visual (VMC), Day
- Wind: 290° at 5 knots, gusting 14
- Visibility: 5 statute miles
- Temperature: 61 °F, dew point 48 °F
- Altimeter: 30.00 inHg
- Observed at: RIV, 15 nm away

## 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 19870308005289A](https://openairdocs.org/incident/19870308005289A), Mar 8, 1987: Prue SUPERSTD, Hemet, CA, Destroyed, 1 fatal. The glider was observed to impact the ground in a vertical dive. No control malfunctions found.

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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