# NTSB CHI86LA220: Cessna 152, N24980, Dwight, IL, September 6, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 6, 1986, 12:00 local (17:00 UTC)
- Place: Dwight, IL
- Coordinates: 41.090339, -88.41912 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.0903&lon=-88.4191&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 13520
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI86LA220
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13520/pdf
- Page: https://openairdocs.org/ntsb/CHI86LA220

## Sequence of events

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

- In flight collision with object, approach - vfr pattern - final approach
  - weather condition - downdraft (contributing factor)
  - object - vehicle (contributing factor)
  - proper altitude - not maintained, dual student (cause)
  - supervision - inadequate, pilot in command(cfi) (cause)

## Analysis

THE TAIL OF THE AIRCRAFT STRUCK THE CAB OF A TRUCK WHILE ON FINAL APPROACH. THE CFI STATED THAT, AS THEY WERE PASSING OVER THE ROAD AT THE APPROACH END OF THE RUNWAY, THE AIRCRAFT ENTERED A DOWNDRAFT AND THE EMPENNAGE STRUCK THE TRUCK WHICH WAS APPROACHING FROM THE LEFT.

## Aircraft

- Registration: [N24980](https://openairdocs.org/deregistered/N24980-1990-06-05), registration cancelled 1990-06-05, S/N 15280489 (OpenAirDocs)
- Reported make and model: CESSNA 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (registry code 2071835) (OpenAirDocs)
- Category: Airplane
- Serial number: 15280489
- Airframe hours: 1899
- Engines: LYCOMING O-235-L2C 110 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Frankfort Aviation Service Inc
- Airworthiness certificate: Standard, Utility
- Last inspection: 100 hour, April 5, 1986, 32 hours before
- Departed: C18, FRANKFORT, IL
- Destination: DTG, DWIGHT, IL
- Airport: DTG, Dwight, runway 27, 2,368 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 65; flight instructor, commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 17,830 total, 4,008 in this make and model, 14,850 as pilot in command, 350 in the last 90 days, 7 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 310° at 9 knots
- Visibility: 20 statute miles
- Lowest ceiling: 10,000 ft broken
- Temperature: 68 °F, dew point -0 °F
- Altimeter: 30.00 inHg
- Observed at: BMI, 48 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 19860906044829A](https://openairdocs.org/incident/19860906044829A), Sep 6, 1986: Cessna 152, Dwight, IL, Substantial damage. Aircraft struck a truck after encountering a downdraft on final. Pilot failed to maintain enough speed to maneuver.

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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