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NTSB Report
May 7, 2026 · Sherry Grobstein LSA-8X · N912Z
Hyannis, MA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
May 7, 2026
Injury Outcomes
No injuries (1 uninjured)
Location
Hyannis, MA
Aircraft
Sherry Grobstein LSA-8X
Tail Number
N912Z
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ERA26LA202
The pilot reported that this was the first flight of the experimental exhibition airplane. After departure, she performed maneuvers in the airplane and observed acceptable performance of certain flight instruments, flight controls, and avionics. After she finished the maneuvers, the pilot flew to her destination airport. According to the pilot, everything was normal until touchdown, when the airplane landed hard, bounced, and began to porpoise. The pilot reported, “I realized I should have gone around too late.” The airplane then ground looped and nosed over, which resulted in substantial damage to the airplane’s fuselage and empennage. The pilot stated that there were no preimpact mechanical malfunctions or failures of the airplane that would have precluded normal operation.
NTSB Probable Cause
The pilot’s failure to maintain control of the airplane while landing, which resulted in a ground loop and subsequent nose over.
Full Narrative
The pilot reported that this was the first flight of the experimental exhibition airplane. After departure, she performed maneuvers in the airplane and observed acceptable performance of certain flight instruments, flight controls, and avionics. After she finished the maneuvers, the pilot flew to her destination airport. According to the pilot, everything was normal until touchdown, when the airplane landed hard, bounced, and began to porpoise. The pilot reported, “I realized I should have gone around too late.” The airplane then ground looped and nosed over, which resulted in substantial damage to the airplane’s fuselage and empennage. The pilot stated that there were no preimpact mechanical malfunctions or failures of the airplane that would have precluded normal operation.
Flight
Event TypeAccident
Event Time11:30 EDT
Nearest AirportCape Cod Gateway (0nm SSW)
Runway24
Runway Length5425 ft
Runway Width150 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftSherry Grobstein LSA-8X
Tail NumberN912Z
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental Aerospace Technolo · O-200-D4B · Reciprocating · 100
Seats2
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 73 · Basc · None
Conditions
ConditionsVMC
LightDaylight
Wind220° @ 11 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point57 F / 41 F
Altimeter29.68 inHg
Observation Time17:00
Weather SourceWFAC