# NTSB CHI93LA065: Cessna 172N, N6176G, Warren, MN, January 6, 1993

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: January 6, 1993, 11:30 local (17:30 UTC)
- Place: Warren, MN
- Coordinates: 48.190795, -96.759353 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=48.1908&lon=-96.7594&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 25, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 15646
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI93LA065
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/15646/pdf
- Page: https://openairdocs.org/ntsb/CHI93LA065

## Probable cause

THE STUDENT PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL.

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - weather condition - crosswind
  - airport facilities,runway/landing area condition - icy
  - directional control - not maintained, pilot in command (cause)
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - snowbank
- Nose over, landing - roll

## Analysis

THE STUDENT PILOT DEPARTED A RUNWAY WITH ICE AND PACKED SNOW, FLEW A ROUNDABOUT ROUTE, AND RETURNED FOR A CROSSWIND LANDING ON THE SAME RUNWAY.  THE AIRPLANE DRIFTED TO THE SIDE OF THE RUNWAY DURING LANDING ROLL, STRUCK BANKED SNOW AND OVERTURNED.

## Aircraft

- Registration: [N6176G](https://openairdocs.org/aircraft/N6176G), registered now, S/N 17273575, built 1979 (OpenAirDocs)
- Reported make and model: CESSNA 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17273575
- Airframe hours: 4276
- Engines: LYCOMING O-320-H2AD 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Holy, Mark D.
- Registered owner: Holy, Mark D.
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, October 19, 1992, 67 hours before
- Departed: D37
- Flight plan: VFR
- Airport: D37, Warren Municipal, runway 12, 3,205 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 25; student; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 41 total, 23 in this make and model, 14 as pilot in command, 25 in the last 90 days, 12 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 190° at 10 knots
- Visibility: 15 statute miles
- Lowest ceiling: 10,000 ft broken
- Temperature: -2 °F, dew point -0 °F
- Altimeter: 30.00 inHg
- Observed at: GFK, 23 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 19930106000169A](https://openairdocs.org/incident/19930106000169A), Jan 6, 1993: Cessna 172N, Warren, MN, Substantial damage. Slid off patchy ice and snow covered runway landing in crosswind. Struck snowbank and nosed over.

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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