# NTSB ATL89LA034: Cessna 210B, N5021P, Uriah, AL, November 17, 1988

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: November 17, 1988, 11:54 local (17:54 UTC)
- Place: Uriah, AL
- Coordinates: 31.300035, -87.500717 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=31.3000&lon=-87.5007&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report January 8, 1990
- Report: Approved by Office Director
- NTSB case key (mKey): 7954
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL89LA034
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/7954/pdf
- Page: https://openairdocs.org/ntsb/ATL89LA034

## Analysis

WHILE CRUISING AT 6500 FT, THE ENG LOST POWER & THE PROP STOPPED WINDMILLING. THE PLT ELECTED TO LAND ON A HIGHWAY. DRG THE LANDING, THE RIGHT WING HIT OVERHANGING TREE LIMBS WHICH YAWED THE ACFT OFF THE RIGHT SIDE OF THE ROAD & DOWN AN EMBANKMENT. THE ENG WAS REMOVED & DISASSEMBLED WHICH REVEALED THE CRANKSHAFT HAD FAILED FROM FATIGUE AT THE #2 CRANK CHEEK. FATIGUE HAD ORIGINATED AT THE FRONT CORNER OF THE #2 CHEEK LIGHTENING HOLE. THE ENG WAS MANUFACTURED IN 1961. IN 1962, THE MANUFACTURER REDESIGNED THE CRANKSHAFT FOR THIS MODEL OF ENG BY ELIMINATING THE LIGHTENING HOLE. IN MAY 1962, CONTINENTAL SVC BULLETIN (SB) M62-8 ADZD OF THE AVAILABILITY OF THE IMPROVED CRANKSHAFT. THE ENG OF N5021P WAS OVERHAULED ON 7/21/75 AT 1486 HRS. AT THAT TIME, THE CRANKSHAFT WAS REMOVED, MAGNAFLUXED & REINSTALLED. TIME SINCE OVERHAUL WAS 695 HRS. TOTAL ENG TIME WAS 2181 HRS.

## Sequence of events

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

- Loss of engine power(total) - mech failure/malf, cruise - normal
  - engine assembly,crankshaft - fatigue (cause)
  - maintenance,design change - performed, manufacturer
  - maintenance,modification - not performed (contributing factor)
- Forced landing, descent - emergency
- On ground/water collision with object, landing - roll
  - object - tree(s) (contributing factor)

## Aircraft

- Registration: [N5021P](https://openairdocs.org/deregistered/N5021P-2013-09-20), registration cancelled 2013-09-20, S/N 21058045, built 1962 (OpenAirDocs)
- Reported make and model: CESSNA 210B
- Registry model: [Cessna 210B](https://openairdocs.org/model/cessna-210b) (registry code 2073410) (OpenAirDocs)
- Registry engine: [Continental I0-470 series](https://openairdocs.org/engine/continental-i0-470-series) (registry code 17027, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 21058045
- Airframe hours: 2256
- Engines: CONTINENTAL IO-470-S 260 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: E - Z Flite
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, February 2, 1988, 75 hours before
- Departed: 2A9, PEACHTREE CITY, GA
- Destination: MSY, NEW ORLEANS, LA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 37; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 162 total, 59 in this make and model, 77 as pilot in command, 20 in the last 90 days, 7 in the last 30 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 345° at 10 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 81 °F, dew point 70 °F
- Altimeter: 30.00 inHg

## 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 19881117051119A](https://openairdocs.org/incident/19881117051119A), Nov 17, 1988: Cessna 210B, Uriah, AL, Substantial damage. Crankshaft broke in flight. Struck trees landing on highway. Service bulletin on crankshaft not performed.

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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