# NTSB CHI84LA100: Cessna 172E, N3631S, Lk In The Hills, IL, February 2, 1984

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: February 1, 1984, 21:35 local (Feb 2, 1984, 03:35 UTC)
- Place: Lk In The Hills, IL
- Coordinates: 42.159149, -88.299583 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.1591&lon=-88.2996&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12540
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI84LA100
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12540/pdf
- Page: https://openairdocs.org/ntsb/CHI84LA100

## Sequence of events

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

- Hard landing, landing - flare/touchdown
  - light condition - night (contributing factor)
  - airport facilities,runway/landing area condition - wet (contributing factor)
  - terrain condition - snow covered (contributing factor)
  - flare - misjudged, pilot in command (cause)
  - visual/aural detection, pilot in command (contributing factor)
- Nose gear collapsed, landing - flare/touchdown
  - landing gear,nose gear - overload
- Loss of control - on ground/water, landing - roll
  - directional control - not possible
  - ground loop/swerve - uncontrolled
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - snowbank (contributing factor)

## Analysis

THE PLT MADE A HARD LANDING WHICH DAMAGED THE NOSE GEAR MAKING IT IMPOSSIBLE FOR THE PLT TO AVOID A COLLISION WITH A SNOWBANK DURING A SUBSEQUENT LANDING.

## Aircraft

- Registration: [N3631S](https://openairdocs.org/aircraft/N3631S), registered now, S/N 17250831, built 1963 (OpenAirDocs)
- Reported make and model: CESSNA 172E
- Registry model: [Cessna 172E](https://openairdocs.org/model/cessna-172e) (registry code 2072412) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 7250831
- Airframe hours: 3982
- Engines: CONTINENTAL O-300-D 145 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Ronnie D. Owen
- Last inspection: Annual, July 1, 1983
- Departed: WMC, MILWAUKEE, WI
- Airport: 3CK, Lake In The Hills, runway 26, 3,000 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 45; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 351 total, 351 in this make and model, 283 as pilot in command, 30 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/bright
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 36 °F

## 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 19840201002469A](https://openairdocs.org/incident/19840201002469A), Feb 1, 1984: Cessna 172E, Lake In The Hi, IL, Substantial damage. Pilot lost sight of runway lights during flare out for landing, aircraft nose gear tore off in hard 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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