# NTSB CHI83LA361: Waco UPF-7, N29957, New Lexington, OH, August 5, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 4, 1983, 20:20 local (Aug 5, 1983, 00:20 UTC)
- Place: New Lexington, OH
- Coordinates: 39.710235, -82.199821 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.7102&lon=-82.1998&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12295
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI83LA361
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12295/pdf
- Page: https://openairdocs.org/ntsb/CHI83LA361

## Sequence of events

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

- Airframe/component/system failure/malfunction, landing - roll
  - landing gear,normal brake system - failure,partial
  - maintenance,annual inspection - inadequate, other maintenance personnel (cause)
  - maintenance,major repair - not performed, other maintenance personnel (cause)
- Loss of control - on ground/water, landing - roll
  - ground loop/swerve - inadvertent, pilot in command (cause)
- On ground/water collision with object, landing - roll
  - object - tree(s)

## Analysis

ACCORDING TO THE PILOT, DURING LANDING ROLL HE APPLIED BRAKES TO MAINTAIN DIRECTIONAL CONTROL. HE HEARD A LOUD NOISE AND EXPERIENCED RIGHT BRAKE FAILURE. THE ACFT VEERED LEFT AND CAME TO REST IN TREES AT THE RNWY EDGE. EXAM OF THE ACFT REVEALED THE BRAKE CABLE WAS STRETCHED AND HAD NUMEROUS BROKEN STRANDS AT THE WOVEN CABLE SPLICE. THE BRAKE LININGS WERE WORN INTO THE ATTACHING RIVET HEADS. THE ACFT HAD REPORTEDLY JUST BEEN THRU AN ANNUAL INSPECTION LESS THAN ONE MONTH EARLIER.

## Aircraft

- Registration: [N29957](https://openairdocs.org/aircraft/N29957), registered now, S/N 5454, built 1940 (OpenAirDocs)
- Reported make and model: WACO UPF-7
- Registry model: [Waco UPF-7](https://openairdocs.org/model/waco-upf-7) (registry code 9601302) (OpenAirDocs)
- Registry engine: [Continental R670-SERIES series](https://openairdocs.org/engine/continental-r670-series-series) (registry code 17016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 5454
- Airframe hours: 6096
- Engines: CONTINENTAL W-670 220 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: New Lexington Wings, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 11, 1983, 10 hours before
- Airport: I86, Perry Company, runway 26, 3,500 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 61; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: rear; flight hours: 923 total, 811 in this make and model, 884 as pilot in command, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: 260° at 4 knots
- Visibility: 6 statute miles
- Lowest ceiling: 25,000 ft broken
- Temperature: 81 °F, dew point 68 °F
- Altimeter: 30.00 inHg
- Observed at: ZZV, 25 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 19830804038649A](https://openairdocs.org/incident/19830804038649A), Aug 4, 1983: Waco UPF7, New Lexington, OH, Substantial damage. Pilot claims brake problem caused him to lose directional control during landing roll.

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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