# NTSB CHI87LA173: Beech C23, N6011T, Monticello, IL, July 17, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 17, 1987, 15:00 local (20:00 UTC)
- Place: Monticello, IL
- Coordinates: 40.020359, -88.569931 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.0204&lon=-88.5699&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report March 31, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 13799
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI87LA173
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13799/pdf
- Page: https://openairdocs.org/ntsb/CHI87LA173

## Sequence of events

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

- Loss of engine power, takeoff - initial climb
  - reason for occurrence undetermined (cause)
- Overrun, takeoff - aborted
- On ground/water encounter with terrain/water, takeoff - aborted

## Analysis

THE ACFT RAN OFF END OF THE RWY AFTER THE ENG LOST POWER DRG A PRACTICE SHORT FLD TAKEOFF. ACCORDING TO THE INSTRUCTOR (CFI), THERE WAS INSUFFICIENT RWY REMAINING TO STOP THE ACFT DRG THE ABORTED TAKEOFF. MAINTENANCE PSNL COULD NOT DUPLICATE THE ENG PRBLM AFTER THE ACDNT.

## Aircraft

- Registration: [N6011T](https://openairdocs.org/deregistered/N6011T-2003-10-25), registration cancelled 2003-10-25, S/N M-2096, built 1978 (OpenAirDocs)
- Reported make and model: BEECH C23
- Registry model: [Beech C23](https://openairdocs.org/model/beech-c23) (registry code 1151242) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 2096
- Engines: LYCOMING O-360 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: University Of Illinois
- Airworthiness certificate: Standard, Normal
- Departed: CHI, CHAMPAIGN, IL
- Airport: Monticello, runway 18, 3,000 × 75 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 26; flight instructor, commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: right; flight hours: 416 total, 249 in this make and model, 361 as pilot in command, 66 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 190° at 12 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 90 °F, dew point 73 °F
- Altimeter: 30.00 inHg
- Observed at: CMI

## 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 19870717040039A](https://openairdocs.org/incident/19870717040039A), Jul 17, 1987: Beech C23, Monticello, IL, Substantial damage. Reported a power loss on liftoff. Set back down but ran off end of the runway. No engine defects found.

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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