Accident Cessna 310C N1845H,
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ASN Wikibase Occurrence # 367867
 
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Date:Monday 9 October 1989
Time:13:33 LT
Type:Silhouette image of generic C310 model; specific model in this crash may look slightly different    
Cessna 310C
Owner/operator:Inlow, Ken & Skultety, Ed
Registration: N1845H
MSN: 35945
Year of manufacture:1959
Total airframe hrs:4333 hours
Engine model:CONTINENTAL IO-470-D
Fatalities:Fatalities: 0 / Occupants: 4
Aircraft damage: Substantial
Category:Accident
Location:Redmond, OR -   United States of America
Phase: En route
Nature:Private
Departure airport:Hermiston, OR (S22)
Destination airport:Santa Rosa, CA (KSTS)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
TWENTY MIN AFTER DEPT, THE PLT REPORTED THAT THE TOP LATCH TO THE MAIN CABIN DOOR OPENED. AN ATTEMPT TO CLOSE THE DOOR WAS UNSUCCESSFUL. THE PLT OPTED TO CONTINUE THE FLT. SEVERAL MIN PASSED WHEN THE LOWER LATCH OPENED. THE AIRPLANE YAWED TO THE RT WITH A TREMENDOUS BUFFETING. THE PLT DIVERTED TO THE NEAREST ARPT. WHILE ON AN EXTENDED DOWNWIND TO THE RWY TO REDUCE ALT, THE PLT REPORTED THAT THE RT ENGINE LOST PWR MOMENTARILY. THE PLT COULD NOT IDENTIFY A PROBLEM AND CONTINUED THE APPROACH. WHILE ON FINAL APPROACH STILL ABOVE THE GLIDE SLOPE, THE PLT REPORTED THAT AN ENG QUIT. THE PLT COULD NOT IDENTIFY WHICH ENG. THE PLT LOOKED DOWN AND SCANNED THE INSTRUMENT PANEL TO ISOLATE THE PROBLEM. WHEN HE LOOKED BACK UP, THE PLANE WAS ON SHORT FINAL AND BELOW THE GLIDE SLOPE. THE AIRPLANE THEN COLLIDED WITH THE TERRAIN SHORT OF THE RWY. AN ENG TEST RUN WAS PERFORMED ON BOTH ENG. BOTH ENG WERE FOUND TO RUN AT VARYING PWR SETTINGS FOR SEVERAL MINUTES.

Probable Cause: POOR INFLIGHT PLANNING, AND THE PILOT DID NOT MAINTAIN A PROPER GLIDE PATH ON FINAL APPROACH, NOR PERFORM PROPER CORRECTIVE ACTION. FACTORS RELATED TO THE ACCIDENT WERE: THE PILOT'S ATTENTION WAS DIVERTED DUE TO AN OPEN CABIN DOOR AND THE PARTIAL LOSS OF ENGINE POWER.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: SEA90LA004
Status: Investigation completed
Duration: 2 years and 8 months
Download report: Final report

Sources:

NTSB SEA90LA004

Location

Revision history:

Date/timeContributorUpdates
22-Mar-2024 19:39 ASN Update Bot Added

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