# NTSB ATL85LA222: Burkhart Grob G-109B, N5829T, Williamson, GA, July 21, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 21, 1985, 16:00 local (20:00 UTC)
- Place: Williamson, GA
- Coordinates: 33.179058, -84.359481 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=33.1791&lon=-84.3595&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 6837
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL85LA222
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/6837/pdf
- Page: https://openairdocs.org/ntsb/ATL85LA222

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Hard landing, landing - flare/touchdown
  - weather condition - downdraft (contributing factor)
  - remedial action - initiated, pilot in command
  - flare - improper, pilot in command (cause)

## Analysis

THE PLT OF THE POWERED GLIDER REPORTED THAT DURING AN APCH TO LAND, THE ACFT ENCOUNTERED A DOWNDRAFT & LANDED HARD. THE LANDING GEAR WAS DAMAGED AS WELL AS THE PROP, ENG COWLING & OIL COOLER.

## Aircraft

- Registration: [N5829T](https://openairdocs.org/aircraft/N5829T), registered now, S/N 6320, built 1984 (OpenAirDocs)
- Reported make and model: BURKHART GROB G-109B
- Registry model: [Burkhart Grob G-109B](https://openairdocs.org/model/burkhart-grob-g-109b) (registry code 1660205) (OpenAirDocs)
- Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs)
- Category: Glider
- Serial number: 6320
- Airframe hours: 107
- Engines: GROB 2500-E-1 reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Neca Inc.,
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 15, 1985, 7 hours before
- Airport: Peach State Gliderport, runway 13, 3,300 × 100 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 56; commercial, airline transport, flight instructor; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 25,200 total, 25 in this make and model, 19,000 as pilot in command, 226 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 130° at 4 knots
- Visibility: 5 statute miles
- Lowest ceiling: none
- Temperature: 81 °F
- Altimeter: 30.00 inHg

## 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 19850721037059A](https://openairdocs.org/incident/19850721037059A), Jul 21, 1985: Grob G109B, Williamson, GA, Substantial damage. Aircraft touched down hard after a downdraft on final approach. Damage to gear and propeller.

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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