# NTSB CHI82DA305: Beech E-33, N8487N, Frankfort, IL, August 13, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: August 12, 1982, 20:15 local (Aug 13, 1982, 01:15 UTC)
- Place: Frankfort, IL
- Location: 41.5090° N, 87.8710° W: Placed by OpenAirDocs: center of Frankfort, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.5090&lon=-87.8710&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 12, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 70738
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI82DA305
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/70738/pdf
- Page: https://openairdocs.org/ntsb/CHI82DA305

## Sequence of events

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

- Undershoot, landing - flare/touchdown
  - planned approach - misjudged, pilot in command (cause)
  - proper touchdown point - not attained, pilot in command (cause)
  - throttle/power control - improper use of, pilot in command (cause)
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - dirt bank/rising embankment (contributing factor)

## Analysis

THE ACCIDENT OCCURED WHEN THE PILOT WAS ON HIS FINAL APPROACH TO LAND. THE PILOT INADVERTENTLY TOUCHED DOWN 100 FEET SHORT OF THE RUNWAY THRESHOLD AND DURING THE SUBSEQUENT LANDING ROLL THE AIRCRAFT STRUCK AN EMBANKMENT.

## Aircraft

- Registration: N8487N (not matched to a registry record)
- Reported make and model: BEECH E-33
- Category: Airplane
- Serial number: CD1176
- Airframe hours: 2415
- Engines: CONTINENTAL IO-470K 225 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Earl A. Ruthenbeck
- Registered owner: Earl A. Ruthenbeck
- Departed: C18, FRANKFORT, IL
- Destination: C18, FRANKFORT, IL
- Airport: C18, Frankfort, runway 9, 3,176 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 52; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; flight hours: 403 total, 121 in this make and model, 253 as pilot in command, 3 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 70° at 9 knots
- Visibility: 12 statute miles
- Lowest ceiling: 15,000 ft broken
- Temperature: 158 °F
- Observed at: CGX, 15 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 19820812041609A](https://openairdocs.org/incident/19820812041609A), Aug 12, 1982: Beech E33, Franklin, IL, Substantial damage. Aircraft hit embankment 100 feet short of runway threshold during landing.

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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