# NTSB NYC86LA069: Cessna 402, N4033Q, New Bedford, MA, January 31, 1986

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: January 31, 1986, 15:44 local (19:44 UTC)
- Place: New Bedford, MA
- Location: 41.6766° N, 70.9578° W: Placed by OpenAirDocs at NEW BEDFORD RGNL (EWB), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.6766&lon=-70.9578&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 30294
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC86LA069
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/30294/pdf
- Page: https://openairdocs.org/ntsb/NYC86LA069

## Sequence of events

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

- Loss of engine power, approach - vfr pattern - final approach
  - exhaust system,manifold/pipe - cracked (cause)
  - exhaust system,turbocharger - disabled (cause)
- Fire, approach - vfr pattern - final approach
  - exhaust system - fire (cause)
- Loss of control - in flight, approach - vfr pattern - final approach
  - flt control syst,aileron control - burned (cause)
  - flight control,aileron - disabled (cause)
  - aileron - not possible, pilot in command (contributing factor)
- In flight collision with object, approach - vfr pattern - final approach
  - object - tree(s)

## Analysis

THE PLT EXPERIENCED INADEQUATE L ENG MANIFOLD PRES DURING A TKF ATTEMPT AT NEWPORT. THE TKF WAS ABORTED AND AFTERWARDS THE PLT DECIDED TO FERRY THE ACFT TO NEW BEDFORD FOR INSPECTION. THE ENG WERE RESTARTED AND OPERATION WAS GOOD. THE FLT TO NEW BEDFORD WAS WITHOUT INCIDENT UNTIL THE ACFT WAS ON A 2 MIS FINAL TO RWY 05 AT THIS TIME THE L ENG STOPPEDWHILE THE PLT ATTEMPTED TO FEATHER THE ENG, BOTH THE ENGINE AND PART OF THE L WING CAUGHT ON FIRE. THE PLT CONTINUED TO THE ARPT WITH THE FLAPS & GEAR DOWN AND A/S AT 125 MPH. THE PLT STATED HE WAS IN A GOOD POSITION TO LAND WHEN HE HEARD A LOUD BANG WHICH HE DESCRIBED SOUNDED LIKE A CABLE. THE ACFT ENTERED A 25 DEG L BANK. HE LEVELED THE WINGS BY REDUCING R ENG POWER. COLLOSION WITH TREES TO THE L OF THE RWY OCCURRED AFTERWARDS. EXAMINATION OF THE ACFT DISCLOSEDTHAT THE L ENG EXHAUST MANIFOLD HEADER ASSEMBLY, WHICH IS CONNECTED TO THE TURBOCHARGER, WAS CRACKED ALONG A WELD SEAM. ALSO REVEALED WAS THAT THE AILERON CABLES THAT ARE ROUTED BEIND THE L ENG WERE BURNED TO SEPARATION.

## Aircraft

- Registration: N4033Q (not matched to a registry record)
- Reported make and model: CESSNA 402
- Category: Airplane
- Serial number: 4020133
- Airframe hours: 4052
- Engines: CONTINENTAL IO-520-E 340 horsepower reciprocating
- Damage: Destroyed
- Fire: In-Flight
- Flight: Positioning, Part 91
- Registered owner: Hotel Constructions Management
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 3, 1986, 130 hours before
- Departed: 2B4, NEWPORT, RI
- Airport: EWB, New Bedford, runway 5, 4,997 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 24; flight instructor, commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 1,249 total, 242 in this make and model, 173 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 250° at 14 knots
- Visibility: 12 statute miles
- Lowest ceiling: none
- Altimeter: 30.00 inHg
- Observed at: EWB, 1 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 19860131001949A](https://openairdocs.org/incident/19860131001949A), Jan 31, 1986: Cessna 402CESSNA, New Bedford, MA, Substantial damage. The left engine caught fire and burned thru aileron cables. Aircraft impacted trees on final approach.

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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