# NTSB FTW83FA387: Beech V35, N5429U, Conchas, NM, August 21, 1983

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: August 20, 1983, 20:08 local (Aug 21, 1983, 02:08 UTC)
- Place: Conchas, NM
- Coordinates: 35.289554, -104.189666 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=35.2896&lon=-104.1897&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 20756
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW83FA387
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/20756/pdf
- Page: https://openairdocs.org/ntsb/FTW83FA387

## Sequence of events

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

- Loss of control - in flight, takeoff - initial climb
  - judgment - poor, pilot in command (cause)
  - impairment(alcohol), pilot in command (cause)
  - aircraft handling - uncontrolled, passenger (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

IT WAS REPORTED THAT THE PLT HAD BEEN GIVING RIDES TO VARIOUS FAMILY MEMBERS & THE ACFT WAS OBSERVED FLYING IN THE AREA OF CONCHAS LAKE ON SEVERAL OCCASIONS. IT WAS ALSO REPORTED THAT THE ACFT HAD 'BUZZED' BOATS ON THE LAKE SEVERAL TIMES DURING THE DAY. THE ACCIDENT FLT DEPARTED THE ARPT WITH FOUR ADULTS ABOARD; THREE BROTHERS & ONE SISTER. THE ACFT DEPARTED RWY 9 & TRAVELED ABOUT 3/4 MI BEFORE IMPACTING IN THE DESERT IN A STEEP NOSE DOWN ATTITUDE. EXAMINATION OF THE THROWOVER CONTROL WHEEL & ITS PIVOTING ARM, WHICH HAD SEPARATED, INDICATED IT WAS MOST PROBABLY POSITIONED FOR USE BY THE RIGHT SEAT PASSENGER WHO WAS NOT A CERTIFICATED PLT. THE PLT'S MUSCLE TISSUE ALCOHOL LEVEL WAS 0.113

## Aircraft

- Registration: [N5429U](https://openairdocs.org/deregistered/N5429U-1984-06-21), registration cancelled 1984-06-21, S/N D8511 (OpenAirDocs)
- Reported make and model: BEECH V35
- Registry model: [Beech V35](https://openairdocs.org/model/beech-v35) (registry code 1151538) (OpenAirDocs)
- Category: Airplane
- Serial number: D8511
- Airframe hours: 2974
- Engines: CONTINENTAL IO-520-BA 285 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Personal, Part 91
- Operator: Gelder Aviation Inc.
- Registered owner: Robert C. Jackson, III
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, September 3, 1982, 243 hours before
- Airport: EG1, Conchas Dam, runway 9, 4,800 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; toxicology performed; flight hours: 192 total, 21 in this make and model

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: 180° at 8 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 84 °F, dew point 55 °F
- Altimeter: 29.00 inHg
- Observed at: TCC, 30 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 19830820043039A](https://openairdocs.org/incident/19830820043039A), Aug 20, 1983: Beech V35, Conchas Dam, NM, Destroyed, 3 fatal. Stalled and crashed during low level flight. Control wheel and pedals in use by right seat passenger. Alcohol used.

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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