Runway excursion Accident Cessna 120 N89809,
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ASN Wikibase Occurrence # 142059
 
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Date:Saturday 17 December 2011
Time:10:30
Type:Silhouette image of generic C120 model; specific model in this crash may look slightly different    
Cessna 120
Owner/operator:Private
Registration: N89809
MSN: 8858
Total airframe hrs:2579 hours
Engine model:Continental C85 SERIES
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Turners Falls Airport - 0B5, Montague, MA -   United States of America
Phase: Take off
Nature:Private
Departure airport:Montague, MA (0B5)
Destination airport:Orange, MA (ORE)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot reported that, during the takeoff roll, as the airplane accelerated to 40 mph, the engine sputtered, and he reduced power with sufficient runway remaining to stop; however, the sputtering ceased, and he then added power to continue the takeoff attempt. The engine sputtered a second time, and the pilot reduced engine power again. At that point, he was concerned about the length of runway remaining and elected to steer off the left side of the runway, rather than risk going off the end of the runway and down into a ditch. As the airplane departed the left side of the runway, it struck a runway sign and sustained substantial damage to the aft fuselage and empennage. The pilot subsequently defueled and moved the airplane before it could be examined. Therefore, it was not possible to verify the fuel quantity or determine if any fuel contamination was present. Postaccident examination of the airframe and engine did not reveal evidence of any preimpact mechanical failures. The pilot reported that he should have aborted the takeoff earlier.
Probable Cause: The pilot's delay in performing a rejected takeoff after experiencing an intermittent loss of engine power, which resulted in a runway excursion.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ERA12CA118
Status: Investigation completed
Duration: 2 months
Download report: Final report

Sources:

NTSB
FAA register: https://www.ntsb.gov/aviationquery/brief.aspx?ev_id=20111221X54903&key=1
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N89809
https://nfdc.faa.gov/nfdcApps/airportLookup/airportDisplay.jsp?category=nasr&airportId=0b5

Location

Revision history:

Date/timeContributorUpdates
26-Jan-2012 14:59 Geno Added
21-Dec-2016 19:26 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
27-Nov-2017 17:38 ASN Update Bot Updated [Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative]

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