Accident Beechcraft A-36 N7688N,
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ASN Wikibase Occurrence # 373703
 
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Date:Friday 16 January 1987
Time:22:45 LT
Type:Silhouette image of generic BE36 model; specific model in this crash may look slightly different    
Beechcraft A-36
Owner/operator:Roscoe Brown Sales Co.
Registration: N7688N
MSN: E-96
Total airframe hrs:2500 hours
Engine model:CONTINENTAL IO-520-B
Fatalities:Fatalities: 0 / Occupants: 3
Aircraft damage: Substantial
Category:Accident
Location:Corning, IA -   United States of America
Phase: Approach
Nature:Executive
Departure airport:Champaign, IL (KCMI)
Destination airport:Corning, IA
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE FLT HAD PROGRESSED NORMALLY FROM CHAMPAGNE, IL. THE IFR FLT PLAN WAS CANCELLED AT LAMONI VOR AND THE FLT PROCEEDED VFR. ON FINAL APPROACH TO RWY 17, APRX 1 MILE FROM THE RWY, THE ALTIMETER SUDDENLY UNWOUND AND THE ACFT STRUCK TREES. THE ALTIMETER HAD FUNCTIONED NORMALLY UP TO THAT POINT. POST ACCIDENT INSPECTION OF THE ALTIMETER SHOWED BINDING OF THE 100 FOOT NEEDLE AT THE TANG. ONLY SLOW MOVEMENT OF THE NEEDLE PRODUCED A SIGNIFICANT PROBLEM IN BINDING. THE TESTING OF THE ALTIMETER PRODUCED A SIMILAR MALFUNCTION TO THAT EXPERIENCED BY THE PLT DURING THE APPROACH. THE LIGHTS OF THE ARPT WERE FUNCTIONING PROPERLY DURING THE APPROACH.

Probable Cause:

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: MKC87LA040
Status: Investigation completed
Duration: 1 year 1 month
Download report: Final report

Sources:

NTSB MKC87LA040

Location

Revision history:

Date/timeContributorUpdates
27-Mar-2024 15:56 ASN Update Bot Added

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