CEN22LA370

NTSB accident investigation · Burkhart Grob Flugzeugbau G102 Club Astir Iiib · Highland, IL · August 6, 2022

Accident · Serious injuriesClass 4 · LimitedFinal report
Date
August 6, 2022, 12:00 local (17:00 UTC)
Place
Highland, IL
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N424BGBurkhart Grob Flugzeugbau G102 Club Astir Iiib
Defining event
Landing: Loss of lift
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Central Region
Parties
FAA FSDO
FAA report
20220806014189A
Case key
105691

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight.

Findings · 3

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Temp/humidity/pressure: thermal liftingEnvironmental issues › Conditions/weather/phenomena · Effect on operationBurkhart Grob Flugzeugbau G102 CLUB ASTIR IIIB: 1 caseAll aircraft: 53 casesProbable cause
Terrain: rough terrainEnvironmental issues › Physical environment · Contributed to outcomeBurkhart Grob Flugzeugbau G102 CLUB ASTIR IIIB: 1 caseAll aircraft: 442 cases

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot reported that, during the return flight to the airport, the glider encountered a higher descent rate than he had expected and that the glider did not have sufficient altitude to reach the airport. During the forced landing into a corn field, the fuselage sustained substantial damage.

Aircraft

Registration
N424BG
Reported as
Burkhart Grob Flugzeugbau G102 Club Astir Iiib
Category
Glider
Serial number
5548CB
Airframe hours
4,150
Damage
Substantial damage
Flight
Personal · Part 91
Operator
St Louis Soaring Association Inc
Registered owner
St Louis Soaring Association Inc
Airworthiness certificate
Unknown
Last inspection
Annual · March 1, 2022
Departed
H07 · Highland, IL
Destination
Same as departure
Airport
H07 · Highland, runway 18 /36, 2,200 × 100 ft, grass/turf
Equipment
None

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
64
Injuries
Serious
Certificate
Private
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Last flight review
June 11, 2022
Seat
Front
Restraint
4-point
Flight hours
7,500 total · 5 in this make and model · 35 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 6 knots
Visibility
10 statute miles
Lowest ceiling
2,500 ft
Temperature
90 °F, dew point 77 °F
Altimeter
30.09 inHg
Observed at
KBLV, 15 nm away
METAR
KBLV 061756Z COR 18006KT 10SM SCT028 32/25 A3009 RMK AO2 SLP188 T03190252 10319 20245 50000 $ COR 1838

Docket · 3

The files NTSB released with the investigation on October 24, 2022, on NTSB’s docket system: statements, records, photos and specialists’ reports. 3.4 MB in all.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N424BG · 2

Matched to the same aircraft by N-number and date.