# NTSB ATL88DLQ01: Byron/Sorrell SNS-2, N112CB, Morehead, KY, June 8, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: June 7, 1988, 20:20 local (Jun 8, 1988, 00:20 UTC)
- Place: Morehead, KY
- Location: 38.1901° N, 83.4491° W: Placed by OpenAirDocs: center of Morehead, KY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.1901&lon=-83.4491&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 9, 1990
- Report: Approved by Office Director
- NTSB case key (mKey): 7549
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL88DLQ01
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/7549/pdf
- Page: https://openairdocs.org/ntsb/ATL88DLQ01

## Probable cause

INFLIGHT SEPARATION OF BOTH PROPELLER BLADES FROM THE ACFT FOR UNDETERMINED REASONS.

## Sequence of events

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

- Airframe/component/system failure/malfunction, maneuvering - turn to landing area (emergency)
  - propeller system/accessories,blade - separation (cause)
  - propeller system/accessories,hub - failure,total (cause)
- Forced landing, descent - emergency
  - emergency procedure - performed, pilot in command
- In flight collision with object, descent - uncontrolled
  - object - tree(s) (contributing factor)

## Aircraft

- Registration: [N112CB](https://openairdocs.org/deregistered/N112CB-2007-11-15), registration cancelled 2007-11-15, S/N 195, built 1988 (OpenAirDocs)
- Reported make and model: BYRON/SORRELL SNS-2
- Registry model: [Byron C C SORRELL GUPPY SNS-2](https://openairdocs.org/model/byron-c-c-sorrell-guppy-sns-2) (registry code 05645B7) (OpenAirDocs)
- Registry engine: [Volkswagen CONVERSION](https://openairdocs.org/engine/volkswagen-conversion) (registry code 63501, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: 195
- Airframe hours: 3
- Engines: Volkswagen 1 1/2 37 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Carroll C. Byron
- Registered owner: Carroll C Byron
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Annual, June 1, 1988, 3 hours before
- Airport: I-32, Morehead Rowaw Co, runway 23, 2,600 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 63; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: center; flight hours: 1,420 total, 1,370 as pilot in command, 3 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 280° at 7 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 90 °F, dew point 86 °F
- Altimeter: 29.00 inHg
- Observed at: CVG, 84 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 19880607019069A](https://openairdocs.org/incident/19880607019069A), Jun 7, 1988: Amtr GUPPY, Morehead, KY, Substantial damage. Loud bang on takeoff. Engine overspeed, shut down. Aircraft crashed in trees. Wood prop blades came out of the hub.

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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