# NTSB CHI95LA010: Great Lakes 2T-1A-2, N933EB, Mt. Horeb, WI, October 10, 1994

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: October 10, 1994, 13:30 local (18:30 UTC)
- Place: Mt. Horeb, WI
- Coordinates: 43.000568, -89.729736 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.0006&lon=-89.7297&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 24, 1995
- Report: Approved by Office Director
- NTSB case key (mKey): 9776
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI95LA010
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/9776/pdf
- Page: https://openairdocs.org/ntsb/CHI95LA010

## Probable cause

the pilot's excessive braking while taxiing from landing.

## Sequence of events

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

- Nose over, taxi - from landing
  - brakes(normal) - excessive, pilot in command (cause)

## Analysis

THE TAILWHEEL AIRPLANE NOSED-OVER ON THE PRIVATE GRASS AIRSTRIP WHILE TAXIING AFTER LANDING. THE PILOT REPORTED THE AIRPLANE'S BRAKES WERE SENSITIVE, AND THAT SHE INADVERTENTLY APPLIED EXCESSIVE BRAKE PEDAL PRESSURE WHILE TAXIING, CAUSING THE AIRPLANE TO NOSE-OVER.

## Factual narrative

On October 10, 1994, about 1330 central daylight time, A Great Lakes model 2T-1A-2 airplane, N933EB, sustained substantial damage when it nosed-over while taxiing from landing at a private airstrip near Mt. Horeb, Wisconsin.  The Airline Transport certificated pilot and the sole passenger aboard reported no injuries.  The local pleasure flight departed Racine, Wisconsin about 1215, and operated in visual meteorological conditions without a flight plan.

The pilot reported she applied the brakes excessively while taxiing from landing and the airplane nosed-over.

## Aircraft

- Registration: [N933EB](https://openairdocs.org/deregistered/N933EB-1999-04-22), registration cancelled 1999-04-22, S/N 1006 (OpenAirDocs)
- Reported make and model: GREAT LAKES 2T-1A-2
- Registry model: [Great Lakes 2T-1A-2](https://openairdocs.org/model/great-lakes-2t-1a-2) (registry code 3910101) (OpenAirDocs)
- Category: Airplane
- Serial number: 1006
- Airframe hours: 649
- Engines: LYCOMING AEIO-360-B1G6 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Susan K. Schwaab
- Airworthiness certificate: Standard, Normal; Special, Provisional (Special)
- Last inspection: Annual, December 11, 1993, 25 hours before
- Departed: RAC, RACINE, WI
- Airport: Private, runway 14, 1,800 × 40 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; flight instructor, flight engineer, airline transport; airplane ratings: multi-engine land, single-engine sea, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: rear; flight hours: 6,200 total, 200 in this make and model, 3,600 as pilot in command, 130 in the last 90 days, 20 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 120° at 8 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 57 °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 19941010037629A](https://openairdocs.org/incident/19941010037629A), Oct 10, 1994: Grtlks 2T1A2, Mt Horeb, WI, Substantial damage. Nosed over while back taxiing on grass runway. Sensitive brakes. Applied too hard. Nosed over.

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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