Embraer EMB-145LR accident near Knox, Indiana, August 7, 2007
On August 7, 2007 at about 10:40 pm local time, a Embraer EMB-145LR, registered N810HK, was involved in an accident near Knox, Indiana. It was flown under scheduled airline rules (Part 121). 1 person was seriously injured; 38 others were unhurt. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The in-flight encounter with turbulence.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- August 7, 2007 · about 10:40 pm local time
- Place
- Knox, Indiana · map
- Type
- Accident
- Injuries
- 1 person was seriously injured; 38 others were unhurt.
- Weather
- visual conditions (good weather)
- Aircraft
- Embraer EMB-145LR · all EMB-145LRs on the register
- Registration
- N810HK · no longer on the register · serial 145231
- Damage
- Not recorded
- Flight
- Flight · scheduled airline rules (Part 121)
The NTSB's narrative final · quoted from the NTSB record
The airplane encountered turbulence during descent flight which resulted in a serious injury to an unseated flight attendant. The operator report stated that the flight attendant was returning to her jumpseat when the injury occurred. Flight data recorder data showed that the airplane experienced a vertical upset of 2.5 G's.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: airline transport pilot
- Ratings: multi-engine land; single-engine land; instrument: airplane
- Last flight review: March 1, 2007
- Medical certificate: Class 1 (with waivers/limitations)
- Seat: left
- Injury: no injuries
Co-pilot
- Certificate: commercial pilot
- Ratings: multi-engine land; single-engine land; instrument: airplane
- Last flight review: April 1, 2007
- Medical certificate: Class 1 (without waivers/limitations)
- Seat: rgt
- Injury: no injuries
The aircraft
- Airframe total time: 16,112 hours
- Last inspection: continuous airworthiness programme, August 1, 2007
- Maximum gross weight: 48,501 lb
- Seats: 53
- Landing gear: retractable
- Engine 1: Rolls-Royce AE3007A1 (turbofan); 0 hours total
- Engine 2: Rolls-Royce AE3007A1 (turbofan); 0 hours total
The flight
- Departed from: ROA Roanoke VA at 9:55 pm
- Destination: ORD Chicago IL
- Flight plan: IFR
- A second pilot was aboard
Weather at the time
- Light: daylight
- Wind: from 260° at 10 knots
- Visibility: 10 statute miles
- Sky: a few clouds at 4,000 ft
- Temperature: 37°F (3°C), dew point 0°F (-18°C)
- Altimeter: 29.77 inHg
- Observation at 11:51 pm from ORD
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | 2 | ||
| Passengers | 36 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.