# NTSB CHI89FA124: Cessna 150L, N16004, Sugar Grove, IL, July 2, 1989

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: July 2, 1989, 15:43 local (20:43 UTC)
- Place: Sugar Grove, IL
- Location: 41.7719° N, 88.4757° W: Placed by OpenAirDocs at AURORA MUNI (ARR), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.7719&lon=-88.4757&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 serious
- Status: Completed, report June 30, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 14260
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI89FA124
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/14260/pdf
- Page: https://openairdocs.org/ntsb/CHI89FA124

## Probable cause

FAILURE TO MAINTAIN AIRSPEED ABOVE STALL SPEED, AND A STALL/SPIN ENCOUNTERED WITH INADEQUATE ALTITUDE FOR RECOVERY. FACTORS RELATED TO THE ACCIDENT WERE: THUNDERSTORM, PRE-FLIGHT BRIEFING NOT OBTAINED AND POOR WEATHER EVALUATION BY THE PILOT.

## Sequence of events

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

- Loss of control - in flight, approach - vfr pattern - downwind
  - weather condition - thunderstorm,outflow (contributing factor)
  - airspeed(vs) - not maintained, pilot in command(cfi) (cause)
  - stall/spin - encountered, pilot in command(cfi) (cause)
  - altitude - inadequate, pilot in command(cfi) (contributing factor)
  - preflight briefing service - not obtained, pilot in command(cfi) (contributing factor)
  - weather evaluation - poor, pilot in command(cfi) (contributing factor)
- In flight collision with terrain/water, descent - uncontrolled
  - terrain condition - open field

## Aircraft

- Registration: [N16004](https://openairdocs.org/deregistered/N16004-1990-06-18), registration cancelled 1990-06-18, S/N 15073403 (OpenAirDocs)
- Reported make and model: CESSNA 150L
- Registry model: [Cessna 150L](https://openairdocs.org/model/cessna-150l) (registry code 2071826) (OpenAirDocs)
- Category: Airplane
- Serial number: 15073403
- Airframe hours: 5015
- Engines: CONTINENTAL O-200-A 100 horsepower reciprocating
- Damage: Destroyed
- Fire: On-Ground
- Flight: Instructional, Part 91
- Operator: Anderson, Kenneth J.
- Registered owner: Kenneth J Anderson
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, July 1, 1989, 3 hours before
- Departed: DPA, WEST CHICAGO, IL
- Airport: ARR, Aurora Muni, runway 18, 3,200 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 53; commercial, flight instructor; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: right; toxicology performed; flight hours: 1,620 total, 500 in this make and model, 1,359 as pilot in command, 79 in the last 90 days, 20 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 140° at 20 knots
- Visibility: 3 statute miles
- Lowest ceiling: 5,000 ft broken
- Temperature: 84 °F, dew point 72 °F
- Altimeter: 29.00 inHg
- Observed at: ARR

## 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 19890702018619A](https://openairdocs.org/incident/19890702018619A), Jul 2, 1989: Cessna 150L, Chicago/Aurora, IL, Destroyed, 1 fatal. Stalled on go around after student made porpoising landing. Air was turbulent due to approaching thunderstorm.

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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