Accident WACO UPF-7 N39714,
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ASN Wikibase Occurrence # 383984
 
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Date:Saturday 3 July 1982
Time:20:00 LT
Type:Silhouette image of generic WACF model; specific model in this crash may look slightly different    
WACO UPF-7
Owner/operator:Private
Registration: N39714
MSN: 5847
Year of manufacture:1942
Total airframe hrs:26518 hours
Engine model:Continental W-6706A
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Popular Grove, IL -   United States of America
Phase: En route
Nature:Private
Departure airport:Belvidere, IL
Destination airport:Belvidere, IL
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE PILOT EXPERIENCED SEVERE ENGINE VIBRATION DURING CRUISE FLIGHT. THE PILOT PERFORMED AN EMERGENCY LANDING IN A FIELD. BECAUSE OF THE LENGTH OF THE FIELD THE PILOT LANDED HARD AND THE LEFT MAIN GEAR COLLAPSED. THE SEPARATED GEAR STRUCK AND FRACTURED THE LEFT WING SPAR. INVESTIGATION REVEALED THE ENGINE VIBRATION WAS INDUCED BY THE SEPARATION OF SIX INCHES OF THE BLADE TIP OF THE ALUMINUM CONSTRUCTED CURTIS-REED PROPELLER.

Probable Cause:

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: CHI82DA237
Status: Investigation completed
Duration: 1 year
Download report: Final report

Sources:

NTSB CHI82DA237

History of this aircraft

Other occurrences involving this aircraft
14 October 1985 N39714 Private 0 Norwood, Massachusetts sub

Location

Revision history:

Date/timeContributorUpdates
03-Apr-2024 06:27 ASN Update Bot Added

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