# NTSB CHI87LA089: Cessna 182F, N3513U, Pontiac, MI, February 21, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 21, 1987, 13:30 local (18:30 UTC)
- Place: Pontiac, MI
- Location: 42.6656° N, 83.4205° W: Placed by OpenAirDocs at OAKLAND COUNTY INTL (PTK), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.6656&lon=-83.4205&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 5, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 13737
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI87LA089
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13737/pdf
- Page: https://openairdocs.org/ntsb/CHI87LA089

## Sequence of events

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

- Main gear collapsed, taxi - from landing
  - landing gear,main gear strut - fatigue (cause)

## Analysis

WHILE THE ACFT WAS BEING TAXIED TO A HANGAR AFTER LANDING, THE LEFT MAIN GEAR COLLAPSED. AN INVESTIGATION REVEALED THE LEFT MAIN LANDING GEAR SPRING STRUT, PN 0741601-1, HAD FAILED WHERE IT WAS CLAMPED TO THE FUSELAGE. A METALLURGICAL EXAM OF THE FRACTURE AREA REVEALED THERE WAS FATIGUE WHERE FRETTING OF THE STRUT HAD OCCURRED AT THE CLAMP. THE ACFT HAD 3300 HRS OF TOTAL FLT TIME & WAS ESTIMATED TO HAVE HAD OVER 3000 LANDINGS.

## Aircraft

- Registration: [N3513U](https://openairdocs.org/aircraft/N3513U), registered now, S/N 18254913, built 1963 (OpenAirDocs)
- Reported make and model: CESSNA 182F
- Registry model: [Cessna 182F](https://openairdocs.org/model/cessna-182f) (registry code 2072714) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 18254913
- Airframe hours: 3300
- Engines: CONTINENTAL O-470-R 230 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Alvin A. Bullock
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, August 28, 1986
- Departed: PTK
- Destination: PTK
- Airport: PTK, Oakland-Pontiac

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 3,065 total, 2,000 in this make and model, 2,500 as pilot in command, 8 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 210° at 8 knots
- Visibility: 4 statute miles
- Lowest ceiling: 10,000 ft broken
- Altimeter: 30.00 inHg
- Observed at: PTK

## 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 19870221003659A](https://openairdocs.org/incident/19870221003659A), Feb 21, 1987: Cessna 182F, Pontiac, MI, Substantial damage. During taxi to hangar the left main gear collapsed. Found spring strut was broken 3 inches inside fuselage.

## Other investigations on N3513U (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 ATL94LA143](https://openairdocs.org/ntsb/ATL94LA143), Jul 19, 1994: Cessna 182F (N3513U), Raeford, NC, substantial damage. Probable cause: AN ENGINE POWER LOSS DUE TO WATER IN THE FUEL SYSTEM, AND THE PILOT'S INADEQUATE PREFLIGHT OF THE AIRCRAFT. A FACTOR WAS THE PRESENCE OF TREES AT THE FORCED LANDING AREA.
- [NTSB FTW65D0020](https://openairdocs.org/ntsb/FTW65D0020), Apr 11, 1965: Cessna 182F (N3513U), Burnet, TX, 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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