# NTSB ATL85FA085: Beech B-50, N3669B, Edgewood, KY, January 31, 1985

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: January 30, 1985, 23:30 local (Jan 31, 1985, 04:30 UTC)
- Place: Edgewood, KY
- Coordinates: 39.019481, -84.559371 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.0195&lon=-84.5594&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal, 1 serious; on the ground: 1 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 6594
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL85FA085
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/6594/pdf
- Page: https://openairdocs.org/ntsb/ATL85FA085

## Sequence of events

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

- In flight encounter with weather, cruise
  - weather condition - icing conditions (cause)
  - preflight planning/preparation - inadequate, pilot in command (cause)
- Loss of engine power(partial) - nonmechanical, cruise
  - nacelle/pylon - ice
  - flight into known adverse weather - intentional, pilot in command (cause)
- In flight collision with object, maneuvering
  - object - residence
  - altitude - uncontrolled, pilot in command (cause)

## Analysis

DURING A VFR FLT FROM LONDON, KY, TO DETROIT, MI, THE ACFT CRASHED INTO A SINGLE FAMILY HOME WHILE ATTEMPTING A LANDING AT CVG ARPT. THE PLT REPORTED A RIGHT ENG PWR LOSS, FROM SUSPECTED IMPACT ICE. THE ALTERNATE AIR SOURCE DID NOT CHANGE THE ACFT PERFORMANCE, AND THE PLT REPORTED LOOSING ALT. RADAR CONTACT WAS THEN LOST. POST ACCIDENT INSPECTIONDISCLOSED NO MECHANICAL FAILURE/MALFUNCTION. THE FLT WAS OPERATING IN MARGINAL VFR WX WITH ICE FORMATION REPORTED. THE ACFT WAS NOT EQUIPPED TO FLY INTO ICING CONDITIONS.

## Aircraft

- Registration: [N3669B](https://openairdocs.org/deregistered/N3669B-2014-10-02), registration cancelled 2014-10-02, S/N CH-62, built 1954 (OpenAirDocs)
- Reported make and model: BEECH B-50
- Registry model: [Beech B50](https://openairdocs.org/model/beech-b50) (registry code 1152506) (OpenAirDocs)
- Registry engine: [Lycoming GSO&IGSO-480 series](https://openairdocs.org/engine/lycoming-gso-igso-480-series) (registry code 41529, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: CH-62
- Airframe hours: 5415
- Engines: LYCOMING GO-480-62D6 275 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Personal, Part 91
- Registered owner: Bruce A. Mattson
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 24, 1984
- Departed: LONDON, KY
- Destination: DETROIT, MI
- Flight plan: VFR/IFR
- Airport: CNG, Greater Cincinnati

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 43; private; airplane ratings: single-engine land, multi-engine land, single-engine sea; medical: class 3, valid medical--w/ waivers/lim; seat: left; toxicology performed; flight hours: 400 total

## Weather

- Conditions: Instrument (IMC), Night/dark
- Wind: 110° at 5 knots
- Visibility: 1 statute miles
- Lowest ceiling: 1,000 ft overcast
- Temperature: 34 °F, dew point 30 °F
- Altimeter: 29.00 inHg
- Observed at: CVG, 4 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 19850130003529A](https://openairdocs.org/incident/19850130003529A), Jan 30, 1985: Beech B50, Edgewood, KY, Destroyed, 2 fatal. Lost power in icing conditions. VFR pilot unable to maintain altitude. Struck house during IFR vectors and burned.

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.