# NTSB MKC83FA199: Champion 7KCAB, N5270X, Boonville, MO, August 24, 1983

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: August 24, 1983, 17:30 local (22:30 UTC)
- Place: Boonville, MO
- Coordinates: 38.959083, -92.739685 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.9591&lon=-92.7397&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 33349
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC83FA199
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/33349/pdf
- Page: https://openairdocs.org/ntsb/MKC83FA199

## Sequence of events

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

- Loss of control - in flight, maneuvering
  - aerobatics - performed, pilot in command
  - reason for occurrence undetermined (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE ACFT CRASHED IN A NOSE LOW, LEFT WING LOW ATTITUDE DURING AN AEROBATIC TRAINING FLT. THERE WERE NO SIGNS OF STRETCH ON THE SEAT BELTS OF BOTH SEATS. THE INSTRUCTOR PLT'S BODY WAS FOUND IN THE WRECKAGE; HOWEVER, THE PRIVATE PLT'S BODY WAS FOUND ABOUT 900 FT EAST OF THE WRECKAGE. EXAMINATION OF THE PRIVATE PLT'S PARACHUTE REVEALED EVIDENCE OF IMPACT DAMAGE. EXAMINATION OF THE WRECKAGE REVEALED THAT THE CABLE BETWEEN THE RIGHT REAR RUDDER PEDAL & THE RUDDER WAS FOUND DISCONNECTED AT THE PEDAL END. THE END OF THE CABLE WAS PULLED OUT OF THE NICOPRESS SLEEVE. THE SLEEVE WAS TESTED WITH ATERMINAL GAUGE & THE COMPRESSED PORTION OF THE SLEEVE WOULD NOT ENTER THE GAUGE. IT COULD NOT BE DETERMINED IF THE CABLEDISCONNECTED PRIOR TO OR DURING THE ACCIDENT.

## Aircraft

- Registration: [N5270X](https://openairdocs.org/deregistered/N5270X-2013-04-08), registration cancelled 2013-04-08, S/N 226, built 1969 (OpenAirDocs)
- Reported make and model: CHAMPION 7KCAB
- Registry model: [Champion 7KCAB](https://openairdocs.org/model/champion-7kcab) (registry code 21101P3) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 226
- Airframe hours: 1183
- Engines: LYCOMING IO-320-E2A 150 horsepower reciprocating
- Damage: Destroyed
- Flight: Instructional, Part 91
- Registered owner: Rose Van Dine
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 14, 1983, 30 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; flight instructor, commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: rear; toxicology performed; flight hours: 939 total, 802 as pilot in command, 242 in the last 90 days, 74 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 60° at 3 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 93 °F, dew point 72 °F
- Altimeter: 30.00 inHg
- Observed at: COU, 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 19830824047279A](https://openairdocs.org/incident/19830824047279A), Aug 24, 1983: Bbavia 7KCAB, Boonville, MO, Destroyed, 1 fatal. Aircraft crashed during aerobatic training flight for unknown reasons.

## Other investigations on N5270X (1)

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.

- [NTSB DEN73DTE33](https://openairdocs.org/ntsb/DEN73DTE33), Oct 14, 1972: Champion 7KCAB (N5270X), Salida, CO, substantial damage

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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