# NTSB CEN11CA104: Cessna 172R, N465CM, Warrensburg, MO, December 2, 2010

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Data collection · Final report
- Date: December 2, 2010, 12:00 local (18:00 UTC)
- Place: Warrensburg, MO
- Coordinates: 38.784168, -93.80278 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.7842&lon=-93.8028&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Defining event: [Landing-flare/touchdown: Hard landing](https://openairdocs.org/ntsb-events/092)
- Highest injury: No injuries
- Status: Completed, report May 16, 2011
- Report: Approved by Office Director
- NTSB office: Central Region
- NTSB case key (mKey): 77978
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN11CA104
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/77978/pdf
- NTSB docket: https://data.ntsb.gov/Docket?ProjectID=77978
- Page: https://openairdocs.org/ntsb/CEN11CA104

## Probable cause

A hard landing for undetermined reasons.

## Findings

NTSB's coded findings; those marked are part of the probable cause.

- [Not determined](https://openairdocs.org/ntsb-findings/05000000): Not determined › Not determined · Unknown/Not determined (probable cause); cases with it: [Cessna 172R, 7 cases](https://openairdocs.org/ntsb-findings/05000000/cases.md?model=2072401), [All aircraft, 2,247 cases](https://openairdocs.org/ntsb-findings/05000000/cases.md)

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Landing-flare/touchdown: Hard landing](https://openairdocs.org/ntsb-events/092) (defining event); cases with it: [Cessna 172R, 34 cases](https://openairdocs.org/ntsb-events/092/sequence.md?model=2072401), [All aircraft, 2,102 cases](https://openairdocs.org/ntsb-events/092/sequence.md)

## Analysis

The airplane was being operated as a training airplane in a university aviation program when substantial damage, consistent with a hard landing, was discovered during a maintenance inspection. The lower portion of the engine firewall, nose landing gear/firewall doubler, and floor pans near fuselage station 30 were damaged. There were no other mechanical anomalies noted that would have precluded normal aircraft operation. The time of the accident and the identification of the pilot(s) are unknown.

## Factual narrative

The airplane was being operated as a training airplane in a university aviation program when substantial damage, consistent with a hard landing, was discovered during a maintenance inspection. The lower portion of the engine firewall, nose landing gear/firewall doubler, and floor pans near station location 30 were damaged. There were no other mechanical anomalies noted that would have precluded normal aircraft operation. The time of the accident and the identification of the pilot(s) are unknown.

## Aircraft

- Registration: [N465CM](https://openairdocs.org/aircraft/N465CM), registered now, S/N 17280857, built 2000 (OpenAirDocs)
- Reported make and model: CESSNA 172R
- Registry model: [Cessna 172R](https://openairdocs.org/model/cessna-172r) (registry code 2072401) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17280857
- Airframe hours: 5101
- Engines: Lycoming IO-360-L2A 160 horsepower reciprocating
- Damage: Substantial damage
- Operator: Univeristy of Central Missouri
- Registered owner: Univeristy of Central Missouri
- Airworthiness certificate: Standard, Normal; Standard, Utility
- Last inspection: Continuous airworthiness, November 2, 2010
- Departed: Unknown, MO
- Destination: Warrensburg, MO
- Flight plan: Unknown
- Airport: RCM, Skyhaven Airport

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 99; medical: unknown; flight hours: 0 total, 0 in this make and model

## Weather

- Conditions: Visual (VMC), Not reported

## Docket (1 files)

The files NTSB released with the investigation on January 20, 2011, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=77978. 764 KB in all.

- Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 764 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40341678&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Master.PDF

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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