# NTSB CHI86LA156: Cessna 172P, N52565, Grand Rapids, MN, June 17, 1986

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: June 17, 1986, 18:11 local (23:11 UTC)
- Place: Grand Rapids, MN
- Coordinates: 47.219459, -93.52024 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.2195&lon=-93.5202&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report March 10, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 13473
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI86LA156
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13473/pdf
- Page: https://openairdocs.org/ntsb/CHI86LA156

## Sequence of events

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

- Loss of engine power(partial) - mech failure/malf, cruise - normal
  - engine assembly,push rod - failure,total (cause)
- Forced landing, descent - emergency
- In flight collision with object, descent - emergency
  - object - wire,transmission
- Nose over, landing - roll
  - terrain condition - soft (contributing factor)

## Analysis

THE CFI AND SP WERE RETURNING FROM A TRANSITION. ENROUTE THE #3 EXHAUST VALVE PUSH ROD FAILED. WHEN THE CFI SMELLED 'SOMETHING BURNING' SHE SHUT DOWN THE ENGINE. DURING THE DESCENT STRUCK POWER LINES. ACFT LD IN SWAMPY TERRAIN AND NOSED OVER INVERTED.

## Aircraft

- Registration: [N52565](https://openairdocs.org/deregistered/N52565-1994-03-29), registration cancelled 1994-03-29, S/N 17274555 (OpenAirDocs)
- Reported make and model: CESSNA 172P
- Registry model: [Cessna 172P](https://openairdocs.org/model/cessna-172p) (registry code 2072436) (OpenAirDocs)
- Category: Airplane
- Serial number: 17274555
- Airframe hours: 1642
- Engines: LYCOMING O-320-D2J 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Mesaba Aviation
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, February 4, 1986, 88 hours before
- Departed: GPZ, GRAND RAPIDS, MN
- Destination: GPZ, GRAND RAPIDS, MN
- Airport: GPZ, Itasca County

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 25; flight instructor, commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: right; flight hours: 1,120 total, 708 in this make and model, 1,050 as pilot in command, 238 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 250° at 5 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 72 °F, dew point 48 °F
- Altimeter: 30.00 inHg
- Observed at: HIB, 31 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 19860617025459A](https://openairdocs.org/incident/19860617025459A), Jun 17, 1986: Cessna 172P, Grand Rapids, MN, Substantial damage. The engine lost power and the aircraft struck powerlines during landing. The number 3 pushrod failed.

## Other investigations on N52565 (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 CHI81FER48](https://openairdocs.org/ntsb/CHI81FER48), Jul 1, 1981: Cessna 172P (N52565), Thief River Fa, MN, 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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