Sunday, January 14, 2018

LET L-23 Super Blaník, N389BA: Accident occurred December 23, 2017 at Seminole Lake Gliderport (6FL0), Groveland, Lake County, Florida

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Orlando, Florida

Aviation Accident Final Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Seminole Flying and Soaring:

Location: Clermont, FL
Accident Number: GAA18CA093
Date & Time:
12/23/2017, 1100 EST
Registration: N389BA
Aircraft Damage: Substantial
Defining Event: Loss of control in flight
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Instructional 


The student pilot reported that, during the first solo landing, the glider was "not straight" for the flare and she attempted to correct with right rudder. Subsequently, she over corrected, the glider veered right, and struck a hangar.

The glider sustained substantial damage to the fuselage and both wings.

The student pilot reported that there were no preaccident mechanical failures or malfunctions with the glider that would have precluded normal operation.

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The student pilot's failure to maintain directional control during the landing flare. 


Directional control - Not attained/maintained (Cause)

Personnel issues
Aircraft control - Student pilot (Cause)

Environmental issues
Airport structure - Effect on equipment

Factual Information

History of Flight


Loss of control on ground
Collision with terr/obj (non-CFIT)

Pilot Information

Certificate: Student
Age: 23, Female
Airplane Rating(s): None
Seat Occupied: Front
Other Aircraft Rating(s): None
Restraint Used: Unknown
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: None
Last FAA Medical Exam:
Occupational Pilot: No
Last Flight Review or Equivalent:
Flight Time:  (Estimated) 10 hours (Total, all aircraft), 7 hours (Total, this make and model), 10 hours (Last 90 days, all aircraft), 10 hours (Last 30 days, all aircraft), 1 hours (Last 24 hours, all aircraft) 

Aircraft and Owner/Operator Information

Aircraft Manufacturer: LET
Registration: N389BA
Aircraft Category: Glider
Year of Manufacture: 2001
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 018803
Landing Gear Type: Tailwheel
Seats: 2
Date/Type of Last Inspection: 11/01/2017, Annual
Certified Max Gross Wt.: 1124 lbs
Time Since Last Inspection:
Engines: 0
Airframe Total Time: 4094 Hours as of last inspection
Engine Manufacturer:
ELT: Not installed
Engine Model/Series:
Registered Owner: On file
Rated Power:
Operator:  On file
Operating Certificate(s) Held: None 

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KISM, 82 ft msl
Observation Time: 1556 UTC
Distance from Accident Site: 22 Nautical Miles
Direction from Accident Site: 108°
Lowest Cloud Condition: Scattered / 1800 ft agl
Temperature/Dew Point: 25°C / 19°C
Lowest Ceiling: 
Visibility:  10 Miles
Wind Speed/Gusts, Direction: 6 knots, 220°
Visibility (RVR):
Altimeter Setting: 30.24 inches Hg
Visibility (RVV):
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Groveland, FL (6FL0)
Type of Flight Plan Filed: None
Destination: Groveland, FL (6FL0)
Type of Clearance: None
Departure Time: 1040 EST
Type of Airspace: Class G

Airport Information

Runway Surface Type: Grass/turf
Airport Elevation:  120 ft
Runway Surface Condition: Dry
Runway Used: 18
IFR Approach: None
Runway Length/Width: 3000 ft / 200 ft
VFR Approach/Landing:  Full Stop; Traffic Pattern 

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude: 28.405833, -81.837778 (est)

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