# NTSB CHI95LA190: Cessna 150M, N45200, Bovey, MN, June 21, 1995

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 21, 1995, 08:30 local (13:30 UTC)
- Place: Bovey, MN
- Coordinates: 47.29074, -93.400428 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.2907&lon=-93.4004&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 27, 1996
- Report: Approved by Office Director
- NTSB case key (mKey): 9918
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI95LA190
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/9918/pdf
- Page: https://openairdocs.org/ntsb/CHI95LA190

## Probable cause

THE PILOT'S DELAY IN ABORTING THE TAKEOFF.

## Sequence of events

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

- Overrun, takeoff - aborted
  - weather condition - variable wind
  - aborted takeoff - delayed, pilot in command (cause)
- Main gear collapsed, takeoff - aborted
  - landing gear,main gear - overload

## Analysis

THE PILOT REPORTED THAT HE DEPARTED TO THE NORTH BECAUSE 400 FEET MORE RUNWAY WAS AVAILABLE.  HE BECAME AIRBORNE APPROXIMATELY 1,500 FEET DOWN THE GRASS RUNWAY AND REALIZED HE 'WASN'T GOING TO CLEAR TREES.'  HE ABORTED THE TAKEOFF AND APPLIED BRAKES. HE SAID THAT AFTER BRAKING FOR 400 FEET, THE RIGHT BRAKE FAILED AND THE AIRPLANE VEERED TO THE LEFT AND 'GROUND LOOPED.'  THE RIGHT LANDING GEAR COLLAPSED AND THE AIRPLANE SUSTAINED SUBSTANTIAL DAMAGE TO THE RIGHT WING.  THE FEDERAL AVIATION ADMINISTRATION (FAA) INSPECTOR WHO EXAMINED THE WRECKAGE REPORTED THAT THE AIRPLANE WAS AT MAXIMUM GROSS WEIGHT AND DEPARTED THE END OF THE RUNWAY.  THE RIGHT BRAKE COULD NOT BE FUNCTIONALLY TESTED BECAUSE THE LINES WERE DESTROYED WHEN THE RIGHT LANDING GEAR STRUT COLLAPSED.  HE REPORTED THAT TWO SKID MARKS WERE VISIBLE, ON THE RUNWAY SURFACE, STARTING ABOUT 350 FEET PRIOR TO THE DEPARTURE END AND NO EVIDENCE OF PREIMPACT MECHANICAL MALFUNCTION WAS DISCOVERED.

## Factual narrative

On June 21, 1995, at 0830 central daylight time, a Cessna 150M, N45200, sustained substantial damage when it impacted the terrain following an aborted takeoff in Bovey, Minnesota.  The private pilot reported no injuries.  The personal flight, conducted under 14 CFR Part 91, originated in Bovey, Minnesota about 0830 with a planned destination of Pinecreek, Minnesota.  A VFR flight plan was filed and visual meteorological conditions prevailed.

In his written statement, the pilot reported that he elected to depart to the north because 400 feet more runway is available.  He reported the winds were light and variable.  He became airborne approximately 1,500 feet down the grass runway and realized he "wasn't going to clear trees."  He aborted the takeoff and applied brakes.  After braking for 400 feet, the right brake failed and the airplane veered to the left and "ground looped."  The right landing gear collapsed and the airplane sustained substantial damage to the right wing.

The Federal Aviation Administration (FAA) Inspector who examined the wreckage reported that the airplane was at maximum gross weight and departed the end of the runway.  The right brake could not be functionally tested because the lines were destroyed when the right landing gear strut collapsed.  He reported that two skid marks were visible, on the runway surface, starting about 350 feet prior to the departure end and no evidence of preimpact mechanical malfunction was discovered.

The Cessna 150 owners manual specifies a takeoff distance of 928 feet for a maximum gross weight airplane with flaps retracted, on a dry grass runway at standard temperature and 1250 foot pressure altitude with no wind.  The distance to clear a 50 foot obstacle, under the same conditions, is 1628 feet.  The manual does not incorporate corrections for tailwind conditions.

The landing ground roll specified in the owner's manual, under the above conditions, except with flaps lowered to 40 degrees, is 678 feet.

## Aircraft

- Registration: [N45200](https://openairdocs.org/deregistered/N45200-1997-03-21), registration cancelled 1997-03-21, S/N 15076782 (OpenAirDocs)
- Reported make and model: CESSNA 150M
- Registry model: [Cessna 150M](https://openairdocs.org/model/cessna-150m) (registry code 2071830) (OpenAirDocs)
- Category: Airplane
- Serial number: 76782
- Engines: CONTINENTAL O-200-A 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Weldon D. Mattfield
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Destination: 48Y, PINECREEK, MN
- Flight plan: VFR
- Airport: runway 1, 2,670 × 200 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 48; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 450 total, 450 in this make and model, 395 as pilot in command, 38 in the last 90 days, 5 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 66 °F, dew point 54 °F
- Altimeter: 30.00 inHg
- Observed at: GPZ, 3 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 19950621021599A](https://openairdocs.org/incident/19950621021599A), Jun 21, 1995: Cessna 150M, Bovey, MN, Substantial damage. Departed in light downwind. Settled. Aborted late. Ran off end runway. Ground looped,poor flight prep and judgement (-23) on June 21, 1995, at approximately…

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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