# NTSB MIA83LA238: Stinson 108-1, N8898K, Clermont, FL, September 24, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 24, 1983, 18:54 local (22:54 UTC)
- Place: Clermont, FL
- Location: 28.5241° N, 81.7236° W: Placed by OpenAirDocs: center of Clermont, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=28.5241&lon=-81.7236&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 30941
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA83LA238
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/30941/pdf
- Page: https://openairdocs.org/ntsb/MIA83LA238

## Sequence of events

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

- Loss of engine power(total) - mech failure/malf, cruise - normal
  - engine assembly,valve,intake - failure,total (cause)
- Forced landing, landing
- On ground/water collision with object, landing
  - light condition - dusk (contributing factor)
  - object - tree(s) (contributing factor)

## Analysis

DURING FLT, THE ENG BEGAN RUNNING ROUGH & OIL BEGAN LEAKING & SPREADING ONTO THE WINDSHIELD. THE ENG SUBSEQUENTLY FAILED & THE PLT SELECTED AN AREA FOR A FORCED LANDING, DURING THE LANDING, THE ACFT CONTACTED TREES & WAS DAMAGED. AN INVESTIGATION REVEALED THAT THE #3 EXHAUST VALVE, FRANKLIN PN 18084, HAD FAILED.

## Aircraft

- Registration: [N8898K](https://openairdocs.org/deregistered/N8898K-2021-01-11), registration cancelled 2021-01-11, S/N 108-1898 (OpenAirDocs)
- Reported make and model: STINSON 108-1
- Registry model: [Stinson 108-1](https://openairdocs.org/model/stinson-108-1) (registry code 9230404) (OpenAirDocs)
- Category: Airplane
- Serial number: 108-1898
- Airframe hours: 2338
- Engines: FRANKLIN 6A4-150-B3 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Bremer Brace Co.,Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, April 13, 1983, 21 hours before
- Departed: TPF, TAMPA, FL
- Destination: ORL, ORLANDO, FL

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; private; airplane ratings: single-engine land, single-engine sea; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 850 total, 350 in this make and model, 20 in the last 90 days

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: 60° at 12 knots
- Visibility: 12 statute miles
- Lowest ceiling: none
- Altimeter: 30.00 inHg
- Observed at: ORL, 15 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 19830924051009A](https://openairdocs.org/incident/19830924051009A), Sep 24, 1983: Univar 1081, Clermont, FL, Substantial damage. Engine swallowed a valve. Caused extensive internal damage. Aircraft hit trees during forced landing.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.