# NTSB CHI88DEX10: Williams Waco, N810TW, Madison, IN, July 24, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: July 24, 1988, 10:00 local (15:00 UTC)
- Place: Madison, IN
- Coordinates: 38.750591, -85.379615 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.7506&lon=-85.3796&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 16, 1990
- Report: Approved by Office Director
- NTSB case key (mKey): 13918
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI88DEX10
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13918/pdf
- Page: https://openairdocs.org/ntsb/CHI88DEX10

## Sequence of events

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

- In flight collision with terrain/water, landing
  - altitude - misjudged, pilot in command (cause)
  - lack of total experience in type of aircraft, pilot in command (contributing factor)
- Nose over, landing

## Analysis

THE PLT MADE SVRL HI SPEED TAXI CHECKS, THEN TOOK OFF ON HIS 1ST FLT IN THIS MAKE & MODEL OF ACFT. HE CLIMBED TO ALT TO CHECK THE STALL CHARACTERISTICS, THEN RETURNED TO THE ARPT. HOWEVER, AS HE WAS LANDING, THE ACFT CONTACTED THE GROUND NEAR THE END OF THE RWY & SUBSEQUENTLY NOSED OVER. NO PREIMPACT MECHANICAL PROBLEMS WERE REPORTED.

## Aircraft

- Registration: [N810TW](https://openairdocs.org/aircraft/N810TW), registered now, S/N 101, built 1987 (OpenAirDocs)
- Reported make and model: WILLIAMS WACO
- Registry model: [Williams-Waco RTO](https://openairdocs.org/model/williams-waco-rto) (registry code 05613VL) (OpenAirDocs)
- Registry engine: [Warner SS165 series](https://openairdocs.org/engine/warner-ss165-series) (registry code 64504, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: 810TW
- Airframe hours: 30
- Engines: Warner SUPER SCARAB 175 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Bud A. Williams
- Registered owner: Bud Williams
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Continuous airworthiness, July 24, 1988, 1 hours before
- Departed: IMS
- Airport: IMS, Madison Muni, runway 21, 3,200 × 60 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 34; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: rear; flight hours: 336 total, 330 as pilot in command, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 77 °F, dew point 50 °F
- Altimeter: 29.00 inHg
- Observed at: VHP, 45 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 19880724027939A](https://openairdocs.org/incident/19880724027939A), Jul 24, 1988: Amtraw WILLIAMSWACO, Madison, IN, Substantial damage. Flew aircraft without checkout. Damaged a gear by striking ground on final. Landed on runway and right gear folded.

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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