# NTSB CHI91LA169: Cessna 172M, N9591V, Cadillac, MI, May 28, 1991

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 28, 1991, 18:30 local (22:30 UTC)
- Place: Cadillac, MI
- Coordinates: 44.240261, -85.409294 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=44.2403&lon=-85.4093&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 10, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 15076
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI91LA169
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/15076/pdf
- Page: https://openairdocs.org/ntsb/CHI91LA169

## Probable cause

THE PILOT-IN-COMMAND'S MAINTAINING EXCESSIVE AIRSPEED THROUGH THE LANDING TOUCHDOWN WHICH RESULTED IN OVERRUNNING THE RUNWAY.

## Sequence of events

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

- Overrun, landing - roll
  - weather condition - thunderstorm
  - weather condition - gusts
  - weather evaluation - poor, pilot in command
  - compensation for wind conditions - poor, pilot in command
  - airspeed - excessive, pilot in command (cause)
- On ground/water collision with object, landing - roll
  - object - tree(s)

## Analysis

THE AIRCRAFT ARRIVED AT THE DESTINATION AIRPORT WHILE A THUNDERSTORM WAS IN PROGRESS.  WINDS WERE REPORTED GUSTING TO 43 KNOTS.  THE PILOT CARRIED EXCESSIVE AIRSPEED TO COUNTER THE TURBULENCE ON THE APPROACH.  THE AIRCRAFT OVERRAN THE RUNWAY ON LANDING.  THE AIRCRAFT EXITED THE DEPARTURE END OF THE RUNWAY AND IMPACTED TREES.

## Aircraft

- Registration: [N9591V](https://openairdocs.org/deregistered/N9591V-2018-02-12), registration cancelled 2018-02-12, S/N 17264393, built 1974 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17264393
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Nortawoods Aviation
- Departed: TOL, TOLEDO, OH
- Flight plan: IFR
- Airport: CAD, Cadillac, runway 36, 2,005 × 150 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; flight hours: 360 total, 260 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 330° at 21 knots, gusting 43
- Visibility: 10 statute miles
- Lowest ceiling: 1,000 ft overcast
- Temperature: -0 °F, dew point -0 °F
- Observed at: CAD, 1 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 19910528017629A](https://openairdocs.org/incident/19910528017629A), May 28, 1991: Cessna 172M, Cadillac, MI, Substantial damage. Due turbulence,landed long and fast on wet grass strip. Unable to stop,slid off end runway into trees.

## Other investigations on N9591V (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 CHI76FEI34](https://openairdocs.org/ntsb/CHI76FEI34), Jul 13, 1976: Cessna 172 (N9591V), Sandusky, OH, substantial damage

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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