# NTSB CHI82IA113: Cessna 402B, N69341, Waukegan, IL, April 5, 1982

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: April 5, 1982, 12:30 local (18:30 UTC)
- Place: Waukegan, IL
- Coordinates: 42.370468, -87.859184 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.3705&lon=-87.8592&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report April 5, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 72981
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI82IA113
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/72981/pdf
- Page: https://openairdocs.org/ntsb/CHI82IA113

## 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, circling (ifr)
  - lubricating system,oil scavenge pump - failure,total (contributing factor)
  - fluid,oil - loss,total (contributing factor)
- Forced landing, circling (ifr)
- Gear collapsed, landing - flare/touchdown
  - landing gear - overload (cause)

## Analysis

PILOT REPORTED AN OIL LEAK IN THE RIGHT ENGINE TO CONTROLLER WHILE ON AN INSTRUMENT APPROACH TO WAUKEGAN AIRPORT. SEVERAL MINUTES LATER, PILOT REPORTED THAT HE HAD LOST SIGHT OF THE AIRPORT AND DUE TO LOSS OF POWER IN THE RIGHT ENGINE, ELECTED TO LAND IN A PLOWED FIELD. ON LANDING, THE GEAR COLLAPSED. EXAMINATION OF THE RIGHT ENGINE OIL SCAVENGE PUMP REVEALED THAT THE DRIVE GEAR WAS FRACTURED INTO FIVE PIECES. FOUR OF THE FIVE FRACTURES BORE EVIDENCE OF AN OVERLOAD TYPE FAILURE. ONE FRACTURE SURFACE EXAMINED WAS DETERMINED TO HAVE BEEN PRE-EXISTING AN IT BORE EVIDENCE OF A FATIGUE TYPE FAILURE.

## Aircraft

- Registration: [N69341](https://openairdocs.org/deregistered/N69341-2007-05-23), registration cancelled 2007-05-23, S/N 402B0449, built 1973 (OpenAirDocs)
- Reported make and model: CESSNA 402B
- Registry model: [Cessna 402B](https://openairdocs.org/model/cessna-402b) (registry code 207590P) (OpenAirDocs)
- Registry engine: [Continental TSIO-520 series](https://openairdocs.org/engine/continental-tsio-520-series) (registry code 17040, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 402B0449
- Airframe hours: 4004
- Engines: CONTINENTAL TSIO-520-E 300 horsepower reciprocating
- Damage: Minor damage
- Flight: Part 135
- Operator: Superior Air Service, Inc.
- Registered owner: Superior Air Service, Inc.
- Departed: AZO, KALAMAZOO, MI
- Destination: ATW, APPLETON, WI
- Flight plan: IFR
- Airport: UGN, Waukegan Hemorial, runway 5, 4,600 × 150 ft, concrete

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; flight hours: 2,311 total, 748 in this make and model, 2,125 as pilot in command, 114 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Day
- Wind: 50° at 30 knots
- Visibility: 1 statute miles
- Temperature: 88 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19820405066609I](https://openairdocs.org/incident/19820405066609I), Apr 5, 1982: Cessna 402B, Waukegan, IL, Minor damage. Oil pump drive gear fractured cracked pump housing. Lost oil. Engine quit on missed approach. Landed off airport.

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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