# NTSB DEN85LA122: Beech BE36 TC, N6727V, Silver City, NM, April 21, 1985

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: April 21, 1985, 13:50 local (20:50 UTC)
- Place: Silver City, NM
- Coordinates: 32.779529, -108.260475 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=32.7795&lon=-108.2605&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 5 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16667
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN85LA122
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16667/pdf
- Page: https://openairdocs.org/ntsb/DEN85LA122

## Sequence of events

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

- In flight encounter with weather, climb
  - weather condition - temperature extremes (contributing factor)
  - weather condition - clouds (contributing factor)
- Loss of control - in flight, climb
  - aircraft handling - not maintained, pilot in command (cause)
  - diverted attention, pilot in command (contributing factor)
- Altitude deviation,uncontrolled, descent - uncontrolled
  - wing,skin - buckled
  - remedial action - performed, pilot in command

## Analysis

THE ACFT WAS SUBSTANTIALLY DAMAGED DURING A WX ENCOUNTER NEAR SILVER CITY, NM. ICING AND TURBULENCE IN IFR CONDITIONS PREVAILED AT THE TIME. THE PLT INITIATED A CLIMB FROM 15,000 FT TO 17,000 FT BECAUSE OF RIME ICE CONDITIONS. THE AUTOPILOT WAS USED DURING THE CLIMB. THE PLT LOOKED AT A CHART AND THE RADIO FREQUENCY. HE SAID THAT THE ACFT HIT SEVERE TURBULENCE AND BANKED OVER 80 DEGREES. IT IS BELIEVED THE ACFT ENTERED A SPLIT S MANEUVER. THE ACFT WAS RECOVERED AT 10,000 FT. NUMEROUS POSITIVE G'S WERE PULLED DURING THE RECOVERY. A PASSENGER SUSTAINED SERIOUS BACK INJURIES.

## Aircraft

- Registration: [N6727V](https://openairdocs.org/aircraft/N6727V), registered now, S/N EA-378 (OpenAirDocs)
- Reported make and model: BEECH BE36 TC
- Registry model: [Beech B36TC](https://openairdocs.org/model/beech-b36tc) (registry code 1151609) (OpenAirDocs)
- Category: Airplane
- Serial number: EA 376
- Airframe hours: 387
- Engines: CONTINENTAL TSIO-520 310 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Richard Mcguire
- Registered owner: Gelder Aviation
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, February 22, 1985, 43 hours before
- Departed: DUG, DOUGLAS, AZ
- Destination: ALBUQUERQUE, NM
- Flight plan: IFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 59; commercial, flight instructor; airplane ratings: single-engine land, multi-engine land, single-engine sea; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 2,685 total, 46 in this make and model, 2,350 as pilot in command, 359 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Dawn
- Wind: 240° at 25 knots, gusting 35
- Lowest ceiling: 1,500 ft overcast
- Temperature: 32 °F

## 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 19850421015099A](https://openairdocs.org/incident/19850421015099A), Apr 21, 1985: Beech B36TC, Silver City, NM, Substantial damage. Loss of control in clouds following turbulence. Recovered and vectored to airport. Wings wrinkled and buckled.

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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