# NTSB CHI82DA269: Cessna 172N, N733CH, Isle, MN, July 23, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: July 23, 1982, 13:05 local (18:05 UTC)
- Place: Isle, MN
- Location: 46.1365° N, 93.4530° W: Placed by OpenAirDocs: center of Isle, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.1365&lon=-93.4530&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 23, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 71158
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI82DA269
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/71158/pdf
- Page: https://openairdocs.org/ntsb/CHI82DA269

## Sequence of events

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

- Undershoot, approach - vfr pattern - final approach
  - weather condition - turbulence (contributing factor)
  - distance - misjudged, pilot in command (cause)
  - altitude - misjudged, pilot in command (cause)
  - proper touchdown point - not attained, pilot in command
- Nose over, landing - flare/touchdown
  - terrain condition - high vegetation (contributing factor)

## Analysis

THE PILOT WAS ON A CROSS-COUNTRY FLIGHT AND BEGAN AN APPROACH TO A PRIVATE AIRSTRIP. HE REPORTED THAT THE WEATHER CONDITIONS WERE GOOD WITH LIGHT TURBULENCE. ABOUT 100 FT FROM THE THRESHOLD, THE AIRCRAFT BEGAN TO SETTLE AND THE PILOT ADDED POWER. HOWEVER, THE PLANE TOUCHED DOWN IN BRUSH AND LONG GRASS, THEN NOSED OVER.

## Aircraft

- Registration: [N733CH](https://openairdocs.org/deregistered/N733CH-1991-05-23), registration cancelled 1991-05-23, S/N 17268187 (OpenAirDocs)
- Reported make and model: CESSNA 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434) (OpenAirDocs)
- Category: Airplane
- Serial number: 17268187
- Airframe hours: 4148
- Engines: LYCOMING O-320-H2AD 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Keith C. Kodalen
- Registered owner: University Of North Dakota
- Departed: AITKIN, MN
- Destination: WASHINGTON IS, WI
- Airport: Isle South Campground, runway 34, 2,400 × 0 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 21; private; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; flight hours: 283 total, 155 in this make and model, 120 as pilot in command, 25 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 340° at 10 knots
- Visibility: 15 statute miles
- Temperature: 176 °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 19820723031979A](https://openairdocs.org/incident/19820723031979A), Jul 23, 1982: Cessna 172N, Isle, MN, Substantial damage. Encountered high sink rate on final. Failed to correct. Landed in bushes short of runway and nosed over.

## Other investigations on N733CH (1)

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.

- [NTSB CHI90FA252](https://openairdocs.org/ntsb/CHI90FA252), Sep 2, 1990: Cessna 172N (N733CH), Pine City, MN, destroyed, 1 fatal. Probable cause: THE PILOT'S MISJUDGEMENT OF THE FUEL SUPPLY, AND HIS FAILURE TO MAINTAIN ADEQUATE AIRSPEED. A FACTOR WAS THE PILOT'S LACK OF EXPERIENCE IN THE MAKE AND MODEL OF AIRCRAFT.

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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