# NTSB LAX88LA221: Burkhart Grob G-103A, N103BK, Fremont, CA, June 12, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 11, 1988, 19:30 local (Jun 12, 1988, 02:30 UTC)
- Place: Fremont, CA
- Coordinates: 37.500289, -121.959022 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.5003&lon=-121.9590&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 10, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 26032
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX88LA221
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/26032/pdf
- Page: https://openairdocs.org/ntsb/LAX88LA221

## Sequence of events

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

- In flight encounter with weather, cruise - normal
  - weather evaluation - inadequate, pilot in command (cause)
  - weather condition - windshear (cause)
  - altitude - not maintained, pilot in command (cause)
- Forced landing, descent - emergency
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - rough/uneven (contributing factor)

## Analysis

DURING A LOCAL FLT, THE GLIDER ENCOUNTERED A WINDSHEAR AND LOST ALTITUDE. THE PILOT WAS UNABLE TO REGAIN THE LOST ALTITUDE AND A FORCED LANDING WAS MADE WHERE DURING THE LANDING ROLL THE GLIDER COLLIDED WITH ROUGH TERRAIN.

## Aircraft

- Registration: [N103BK](https://openairdocs.org/deregistered/N103BK-2013-06-18), registration cancelled 2013-06-18, S/N 33953-K-186, built 1985 (OpenAirDocs)
- Reported make and model: Burkhart Grob G-103A
- Registry model: [Burkhart Grob G-103A TWIN II ACRO](https://openairdocs.org/model/burkhart-grob-g-103a-twin-ii-acro) (registry code 1660206) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Serial number: 33953-K-186
- Airframe hours: 1354
- Engines: unknown
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Willat, Brett
- Registered owner: Sabino, Antonio
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, May 29, 1988, 23 hours before
- Departed: 8Q7, FREMONT, CA
- Destination: 8Q7

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 24; commercial, flight instructor; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: front; flight hours: 2,800 total, 550 in this make and model, 2,750 as pilot in command, 390 in the last 90 days, 140 in the last 30 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 0° at 10 knots, gusting 15
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 61 °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 19880611019709A](https://openairdocs.org/incident/19880611019709A), Jun 11, 1988: Grob G103TWNASTIR, Fremont, CA, Substantial damage. Strong downwind shear forced glider into canyon,unable to recover altitude. Collided with terrain on forced landing

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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