Accident Curtiss JN4-D N511JN,
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ASN Wikibase Occurrence # 374392
 
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Date:Sunday 17 August 1986
Time:15:00 LT
Type:Silhouette image of generic jn4 model; specific model in this crash may look slightly different    
Curtiss JN4-D
Owner/operator:Private
Registration: N511JN
MSN: S11
Total airframe hrs:30 hours
Engine model:LIBERTY OX-5
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Vancouver, WA -   United States of America
Phase: Initial climb
Nature:Private
Departure airport:
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE PLT REPORTED A NORMAL TAKEOFF WAS MADE WITH 1300 RPM. AT LIFTOFF A SMALL AMOUNT OF BLACK SMOKE EMITTED FROM BOTH EXHAUST STACKS AND THE RPM DROPPED TO 1250. AFTER CLEARING THE RWY, MORE BLACK SMOKE EMITTED AND THE RPM DROPPED TO 1200. THE PLT CLEARED TWO 40 FOOT TALL TREES AT THE END OF THE RWY AND MADE A HARD LANDING IN A FIELD BEYOND THE TREES. INVESTIGATION DISCLOSED THE FLOAT FROM THE ZENITH CARBURETOR HAD 17 VERITCAL LINES ON THE OUTSIDE DIAMETER AND CRACKS. THE FLOAT WAS FUEL SATURATED.

Probable Cause:

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: SEA86LA208
Status: Investigation completed
Duration:
Download report: Final report

Sources:

NTSB SEA86LA208

Location

Revision history:

Date/timeContributorUpdates
28-Mar-2024 08:57 ASN Update Bot Added

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