Loss of control Accident American Champion 8GCBC Scout N424A,
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ASN Wikibase Occurrence # 214053
 
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Date:Saturday 4 August 2018
Time:10:00
Type:Silhouette image of generic BL8 model; specific model in this crash may look slightly different    
American Champion 8GCBC Scout
Owner/operator:Gcaa, Llc
Registration: N424A
MSN: 553-2012
Year of manufacture:2012
Total airframe hrs:3785 hours
Engine model:Lycoming O-360-C1G
Fatalities:Fatalities: 2 / Occupants: 2
Aircraft damage: Destroyed
Category:Accident
Location:Baldwin County, Foley, AL -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Banner and glider towing
Departure airport:Foley, AL (PVT)
Destination airport:Foley, AL (PVT)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The commercial pilot was conducting a banner-tow flight with a pilot-rated passenger. A witness (a ground crewmember) stated that, after takeoff, the approach and pickup of the banner appeared normal and that the engine sounded strong. According to the ground crewmember, the pilot successfully hooked the banner with the airplane tow cable and initiated a steep climbout with the banner in tow. The trailing edge of the banner had just come off the ground when the airplane reached an altitude of about 300 ft above ground level. At that point, the right wing dropped. The pilot attempted to maintain directional control by releasing the banner and applying left rudder; however, the airplane entered a right descending spin to the ground. Postaccident examination revealed no malfunctions that would have precluded normal operation of the airplane or engine.

It is likely that after the banner pickup and during initial climb, while the airplane had a high power setting, high pitch angle, and low airspeed, the airplane exceeded the critical angle of attack and entered an aerodynamic stall and spin from which recovery was not possible due to the airplane's altitude at the time. Even though the weight and balance were within limits for the accident flight, it is possible the presence of the back seat passenger reduced the airplane's performance, and that the pilot did not account for the effect of the back seat passenger on the performance of the airplane during the pickup maneuver.

Probable Cause: The pilot's exceedance of the airplane's critical angle of attack, which resulted in a subsequent aerodynamic stall and spin at an altitude that was too low for recovery.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ERA18FA208
Status: Investigation completed
Duration: 1 year and 8 months
Download report: Final report

Sources:

NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=424A

Location

Media:

Revision history:

Date/timeContributorUpdates
04-Aug-2018 18:29 Iceman 29 Added
04-Aug-2018 19:03 Iceman 29 Updated [Location, Narrative]
05-Aug-2018 00:40 Geno Updated [Location, Source]
05-Aug-2018 06:40 Captain Adam Updated [Aircraft type, Source]
05-Aug-2018 12:10 Iceman 29 Updated [Aircraft type, Source, Embed code]
05-Aug-2018 14:33 Aerossurance Updated [Nature, Source, Embed code, Narrative]
06-Aug-2018 17:55 harro Updated [Registration, Cn, Operator, Source]
06-Aug-2018 18:44 Geno Updated [Location, Source]
22-Apr-2020 17:00 ASN Update Bot Updated [Time, Operator, Nature, Departure airport, Destination airport, Source, Embed code, Narrative, Accident report, ]

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