# NTSB ATL86LA263: Piper PA-31-325, N4505V, Louisville, KY, September 21, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 21, 1986, 13:06 local (17:06 UTC)
- Place: Louisville, KY
- Coordinates: 38.270839, -85.619049 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.2708&lon=-85.6190&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 7198
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL86LA263
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/7198/pdf
- Page: https://openairdocs.org/ntsb/ATL86LA263

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - directional control - not maintained, pilot in command (cause)
  - ground loop/swerve - inadvertent, pilot in command (cause)
- Gear collapsed, landing
  - landing gear - overload

## Analysis

FOLLOWING A NORMAL TOUCHDOWN AND LANDING, THE PILOT LOST DIRECTIONAL CONTROL AND THE AIRCRAFT VEERED OFF THE LEFT SIDE OF RUNWAY. THE PILOT STATED THAT HE WAS UNABLE TO CORRECT THE DIRECTIONAL PROBLEM AFTER THE AIRCRAFT DEPARTED THE RUNWAYSURFACE. EXAMINATION OF THE ACCIDENT SITE DISCLOSED THAT THERE WERE BLACK TIRE MARKS LEADING FROM THE RUNWAY SURFACE. ANEXAMINATION OF THE AIRCRAFT FAILED TO DISCLOSE ANY MALFUNCTION OR FAILURE.

## Aircraft

- Registration: N4505V (not matched to a registry record)
- Reported make and model: PIPER PA-31-325
- Category: Airplane
- Serial number: 31-812002
- Airframe hours: 1895
- Engines: LYCOMING TIO-540-F2BD 325 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Navajo Aviation
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, January 14, 1986, 171 hours before
- Departed: LANSING, MI
- Airport: Bowman Field, runway 14, 3,539 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 2,321 total, 215 in this make and model, 1,740 as pilot in command, 50 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 170° at 4 knots
- Visibility: 6 statute miles
- Lowest ceiling: none
- Temperature: 82 °F, dew point 66 °F
- Altimeter: 30.00 inHg
- Observed at: LOU

## 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 19860921048999A](https://openairdocs.org/incident/19860921048999A), Sep 21, 1986: Piper PA31325, Louisville_____, KY, Substantial damage. Right main gear collapsed as aircraft skidded on runway. Drag link broken. Operator not in compliance with FAR.

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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