# NTSB LAX86LA335: Schweizer SGS 2-32, N9845E, Fremont, CA, August 28, 1986

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: August 28, 1986, 15:11 local (22:11 UTC)
- Place: Fremont, CA
- Coordinates: 37.500827, -121.959892 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.5008&lon=-121.9599&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 25243
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX86LA335
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25243/pdf
- Page: https://openairdocs.org/ntsb/LAX86LA335

## Sequence of events

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

- Loss of control - in flight, maneuvering
  - flt control syst,wing spoiler system - deployed inadvertently (cause)
  - flight controls - improper use of, pilot in command (cause)
  - stall/spin - inadvertent, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE GLIDER TOW PILOT STATED THAT HE NOTICED THE GLIDER'S SPOILERS IN THE OPEN POSITION SHORTLY AFTER TAKEOFF. HE BROUGHT THE GLIDER TO THE TRAFFIC PATTERN. THE GLIDER PILOT RELEASED FROM THE TOW AND MADE A SHARP TURN DURING WHICH THE GLIDER PITCHED UP, STALLED AND SPUN TO GROUND IMPACT.

## Aircraft

- Registration: [N9845E](https://openairdocs.org/deregistered/N9845E-1989-03-15), registration cancelled 1989-03-15, S/N 21 (OpenAirDocs)
- Reported make and model: SCHWEIZER SGS 2-32
- Registry model: [Schweizer SGS 2-32](https://openairdocs.org/model/schweizer-sgs-2-32) (registry code 8050206) (OpenAirDocs)
- Category: Glider
- Serial number: 21
- Airframe hours: 3840
- Engines: unknown
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Bay Area Soaring Assoc
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, March 6, 1986
- Departed: 8Q7
- Airport: 8Q7, Sky Sailing

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 62; commercial, airline transport; airplane ratings: multi-engine land; instrument ratings: airplane; seat: front; flight hours: 1 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 10 knots
- Lowest ceiling: none
- Temperature: 70 °F
- Altimeter: 30.00 inHg

## 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 19860828043689A](https://openairdocs.org/incident/19860828043689A), Aug 28, 1986: Scwzer SGS232, Fremont, CA, Substantial damage. The glider spoilers were deployed during takeoff tow. The pilot did not respond to signals. Glider stalled,spun in.

## Other investigations on N9845E (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 OAK75DVD20](https://openairdocs.org/ntsb/OAK75DVD20), Oct 13, 1974: Schweizer SGS232 (N9845E), Fremont, CA, substantial damage

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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