# NTSB DEN83FTK03: Beech V35A, N8478N, Sioux Falls, SD, February 16, 1983

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Final report
- Date: February 15, 1983, 19:55 local (Feb 16, 1983, 01:55 UTC)
- Place: Sioux Falls, SD
- Coordinates: 43.539997, -96.730125 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.5400&lon=-96.7301&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious, 2 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16020
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN83FTK03
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16020/pdf
- Page: https://openairdocs.org/ntsb/DEN83FTK03

## Sequence of events

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

- In flight collision with object, approach - faf/outer marker to threshold (ifr)
  - light condition - dark night (contributing factor)
  - weather condition - low ceiling (contributing factor)
  - weather condition - obscuration (contributing factor)
  - weather condition - fog (contributing factor)
  - ifr procedure - improper, pilot in command (cause)
  - proper altitude - not followed, pilot in command (cause)
  - object - wire,transmission (contributing factor)
  - object - residence (contributing factor)

## Analysis

DURING AN ILS APPROACH TO RWY 3 THE ACFT COLLIDED WITH 50 FT POWERLINES 3 MI SW OF THE ARPT. THE ACFT THEN COLLIDED WITHA MOBILE HOME & PICKUP TRUCK. HALF OF THE 60 FT MOBILE HOME & THE TRUCK WERE DESTROYED. MINIMUM ALTITUDE AT THE LIM, LOCATED 5.2 MI FROM THE MM, IS 3,334 FT MSL. MINIMUM ALTITUDE AT MAREY INTERSECTION, LOCATED 0.9 MI FROM THE MM, IS 1,900 FT MSL. GROUND ELEVATION AT THE WRECKAGE SITE WAS 1,420 FT MSL.

## Aircraft

- Registration: [N8478N](https://openairdocs.org/aircraft/N8478N), registered now, S/N D-8805, built 1968 (OpenAirDocs)
- Reported make and model: BEECH V35A
- Registry model: [Beech V35A](https://openairdocs.org/model/beech-v35a) (registry code 1151544) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: D-8805
- Airframe hours: 3062
- Engines: CONTINENTAL I0520-BA2 285 horsepower reciprocating
- Damage: Destroyed
- Flight: Business, Part 91
- Operator: Clinton L. Clark
- Registered owner: Sioux Falls Aviation, Inc
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, December 6, 1983, 47 hours before
- Departed: Y19, NANDAM, ND
- Destination: FSD, SIOUX FALLS, SD
- Flight plan: IFR
- Airport: FSD, Joe Foss Field, runway 3, 8,999 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 51; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 4,000 total, 40 in this make and model, 30 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Night/dark
- Wind: calm
- Temperature: 32 °F
- Altimeter: 29.00 inHg
- Observed at: FSD, 38 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 19830215005749A](https://openairdocs.org/incident/19830215005749A), Feb 15, 1983: Beech V35A, Sioux Falls, SD, Destroyed. Struck powerline, trees and mobile home 3 miles short of field on a ILS approach, was 1000 feet too low.

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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