# NTSB DEN83LA073: Cessna 172M, N13620, Leadville, CO, March 9, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 9, 1983, 08:15 local (15:15 UTC)
- Place: Leadville, CO
- Coordinates: 39.239315, -106.289604 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.2393&lon=-106.2896&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16047
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN83LA073
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16047/pdf
- Page: https://openairdocs.org/ntsb/DEN83LA073

## Sequence of events

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

- Loss of control - on ground/water, landing - flare/touchdown
  - flight controls - improper use of, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)
  - go-around - not corrected, pilot in command (cause)
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - snowbank (contributing factor)
- Nose over, landing - roll

## Analysis

THE CESSNA 172 COLLIDED WITH A SNOWBANK DURING LANDING AND NOSED OVER. THE WEATHER WAS VMC WITH LIGHT WINDS FROM 20 DEGREES AT 3 KTS. ONE INCH OF FRESH SNOW WAS COVERING THE RUNWAY. THE PILOT SAID HE FLEW THE APPROACH TO RUNWAY 34 WITH 20 DEGREES OF FLAPS AND TOUCHED DOWN 150 YARDS PAST THE NUMBERS. AFTER TOUCHDOWN THE ACFT SKIDDED TO THE LEFT FOR ABOUT 100 YARDS. ACCORDING TO THE PILOT HE APPLIED BRAKES AND RIGHT RUDDER TO NO AVAIL. WHEN HE APPLIED POWER THE ACFT STRAIGHTENED BUT IT WAS TOO LATE. THE LEFT LANDING GEAR WENT INTO A SNOW BANK AND THE ACFT NOSED OVER THE PILOT RECEIVED HIS PRIVATE CERTIFICATE 3 MONTHS BEFORE THE ACCIDENT AND HAD ABOUT 90 HOURS OF FLIGHT TIME.

## Aircraft

- Registration: [N13620](https://openairdocs.org/deregistered/N13620-1999-07-29), registration cancelled 1999-07-29, S/N 17262888 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Category: Airplane
- Serial number: 17262888
- Airframe hours: 4680
- Engines: LYCOMING IO-320-E20 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Dennis F. Tomar
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, August 5, 1982, 0 hours before
- Departed: 1V6, CANON CITY, CO
- Destination: LKV, LEADVILLE, CO
- Airport: LKV, Leadville, runway 34, 4,800 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 41; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 100 total, 100 in this make and model, 18 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 20° at 3 knots
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 5 °F, dew point 1 °F
- Altimeter: 30.00 inHg
- Observed at: LKV

## 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 19830309006969A](https://openairdocs.org/incident/19830309006969A), Mar 9, 1983: Cessna 172M, Leadville, CO, Substantial damage. Skidded off side of runway on landing. Struck a snowbank and overturned.

## Other investigations on N13620 (2)

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 LAX94LA173](https://openairdocs.org/ntsb/LAX94LA173), Mar 23, 1994: Cessna 172M (N13620), Santa Maria, CA, destroyed. Probable cause: AN ENGINE FAILURE DUE TO THE IMPROPER INSTALLATION AND SERVICE OF AN INCORRECT MODEL MAGNETO BY MAINTENANCE PERSONNEL, AND THE FAILURE OF THE PILOT-IN-COMMAND TO FOLLOW PUBLISHED AIRPLANE EMERGENCY…
- [NTSB FTW89LA158](https://openairdocs.org/ntsb/FTW89LA158), Sep 2, 1989: Cessna 172M (N13620), Bellville, TX, substantial damage. Probable cause: IMPROPER FLARE BY THE PILOT AND HIS IMPROPER RECOVERY FROM A BOUNCED LANDING, WHICH RESULTED IN AN INADVERTENT PORPOISE AND SUBSEQUENT NOSE GEAR FAILURE.

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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