# NTSB CEN22LA370: Burkhart Grob Flugzeugbau G102 Club Astir Iiib, N424BG, Highland, IL, August 6, 2022

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Class 4 · Limited · Final report
- Date: August 6, 2022, 12:00 local (17:00 UTC)
- Place: Highland, IL
- Coordinates: 38.753761, -89.656399 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.7538&lon=-89.6564&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Defining event: [Landing: Loss of lift](https://openairdocs.org/ntsb-events/500)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed
- Report: Approved by Office Director
- Investigation class: Class 4 - Basic report with no Prelim publish
- NTSB office: Central Region
- Parties: FAA FSDO
- NTSB case key (mKey): 105691
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN22LA370
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/105691/pdf
- NTSB docket: https://data.ntsb.gov/Docket?ProjectID=105691
- Page: https://openairdocs.org/ntsb/CEN22LA370

## Probable cause

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

## Findings

NTSB's coded findings; those marked are part of the probable cause.

- [Temp/humidity/pressure: thermal lifting](https://openairdocs.org/ntsb-findings/03031040): Environmental issues › Conditions/weather/phenomena · Effect on operation (probable cause); cases with it: [Burkhart Grob Flugzeugbau G102 CLUB ASTIR IIIB, 1 case](https://openairdocs.org/ntsb-findings/03031040/cases.md?model=1660106), [All aircraft, 53 cases](https://openairdocs.org/ntsb-findings/03031040/cases.md)
- [Terrain: rough terrain](https://openairdocs.org/ntsb-findings/03021015): Environmental issues › Physical environment · Contributed to outcome; cases with it: [Burkhart Grob Flugzeugbau G102 CLUB ASTIR IIIB, 1 case](https://openairdocs.org/ntsb-findings/03021015/cases.md?model=1660106), [All aircraft, 442 cases](https://openairdocs.org/ntsb-findings/03021015/cases.md)
- [Performance/control parameters: altitude](https://openairdocs.org/ntsb-findings/01062012): Aircraft › Aircraft oper/perf/capability · Attain/maintain not possible; cases with it: [Burkhart Grob Flugzeugbau G102 CLUB ASTIR IIIB, 1 case](https://openairdocs.org/ntsb-findings/01062012/cases.md?model=1660106), [All aircraft, 1,310 cases](https://openairdocs.org/ntsb-findings/01062012/cases.md)

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Landing: Loss of lift](https://openairdocs.org/ntsb-events/500) (defining event); cases with it: [Burkhart Grob Flugzeugbau G102 CLUB ASTIR IIIB, 1 case](https://openairdocs.org/ntsb-events/500/sequence.md?model=1660106), [All aircraft, 252 cases](https://openairdocs.org/ntsb-events/500/sequence.md)
- [Landing: Off-field or emergency landing](https://openairdocs.org/ntsb-events/440); cases with it: [Burkhart Grob Flugzeugbau G102 CLUB ASTIR IIIB, 1 case](https://openairdocs.org/ntsb-events/440/sequence.md?model=1660106), [All aircraft, 3,365 cases](https://openairdocs.org/ntsb-events/440/sequence.md)

## 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](https://openairdocs.org/aircraft/N424BG), registered now, S/N 5548CB (OpenAirDocs)
- Reported make and model: BURKHART GROB FLUGZEUGBAU G102 CLUB ASTIR IIIB
- Registry model: [Burkhart Grob Flugzeugbau G102 CLUB ASTIR IIIB](https://openairdocs.org/model/burkhart-grob-flugzeugbau-g102-club-astir-iiib) (registry code 1660106) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Serial number: 5548CB
- Airframe hours: 4150
- 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

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 64; injuries: serious; 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

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 20220806014189A](https://openairdocs.org/incident/20220806014189A), Aug 6, 2022: Burkhart Grob Flugzeugbau G102 CLUB ASTIR IIIB, Highland, IL, Substantial damage. [privacy data omitted] Was in the traffic pattern for runway 18 at Highland-Winet Airport. The airman stated that he turned final approach at 55 mph and his…

## Other investigations on N424BG (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN25LA340](https://openairdocs.org/ntsb/CEN25LA340), Aug 24, 2025: Burkhart Grob Flugzeugbau G102 Club Astir Iiib (N424BG), Highland, IL, substantial damage. Probable cause: The pilot’s failure to maintain directional control during takeoff which resulted in a collision with a parked vehicle.
- [NTSB CHI03LA317](https://openairdocs.org/ntsb/CHI03LA317), Sep 10, 2003: Burkhart Grob G102 Club Astir Iiib (N424BG), Highland, IL, substantial damage. Probable cause: The pilot encountering unsuitable terrain during an off-airport landing. A factor to the accident was the high vegetation.

## Docket (3 files)

The files NTSB released with the investigation on October 24, 2022, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=105691. 3.4 MB in all.

- Pilot statement to FAA (item 1, PDF, 2 pages, 111 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=14566832&FileExtension=pdf&FileName=Pilot%20Statement%20to%20FAA%20-%20Redacted-Rel.pdf
- Accident report photos (item 2, PDF, 4 pages, 1.4 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=14567386&FileExtension=pdf&FileName=Photo%20Array-Rel.pdf
- Pilot/operator aircraft accident report, NTSB form 6120.1 (item 3, PDF, 11 pages, 1.9 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=14593039&FileExtension=pdf&FileName=6120_1_Satterfield_Redacted-Rel.pdf

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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