Eurocopter Deutschland GMBH EC 135 P2+ accident near Franklin, North Carolina, March 9, 2023
On March 9, 2023 at about 11:57 pm local time, a 2012 Eurocopter Deutschland GMBH EC 135 P2+ (helicopter), registered N558MT, was substantially damaged in an accident during enroute (cruise) near Franklin, North Carolina. It was flown under charter and air-taxi rules (Part 135). 3 people had minor injuries; 1 other was unhurt. The weather was visual conditions (good weather).
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The NTSB's probable cause their words, unchanged
The pilot’s improper decision to review an aircraft logbook while enroute, which resulted in controlled flight into terrain.
Source: NTSB aviation accident database, copy made October 4, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- March 9, 2023 · about 11:57 pm local time
- Place
- Franklin, North Carolina · map
- Type
- Accident
- Injuries
- 3 people had minor injuries; 1 other was unhurt.
- Weather
- visual conditions (good weather)
- Aircraft
- Eurocopter Deutschland GMBH EC 135 P2+, built 2012
- Registration
- N558MT · registry record · serial 1073
- Damage
- Substantial damage
- Flight
- Flight · charter and air-taxi rules (Part 135)
The NTSB's narrative final · quoted from the NTSB record
According to the pilot, prior to the flight, he determined the highest obstacle enroute was 6,100 ft with several 5,000 to 5,500 ft peaks along the route. In addition, he noted that during the flight, the end of evening nautical twilight would occur. After departure, he dialed 5,500 ft into the autopilot and leveled off. He went to don the night vision goggles and noted that they were on the copilot seat on top of an aircraft logbook. He went to move the logbook to the pilot door compartment, where it was typically stowed for flight, and decided to check the flight times against the times that maintenance was due. At that point, he noticed the cloud ceiling was lowering and dialed in 5,000 ft into the autopilot, then “went back heads down” to continue his review of the logbook. Then, the flight nurse asked for an updated estimated time enroute, and when the pilot looked up, he saw the helicopter was approaching a tree covered peak. He applied aft cyclic in order to climb; however the tail boom struck several trees, resulting in the vertical stabilizer separating from the tail boom. The pilot subsequently performed a forced landing to a road, which resulted in substantial damage to the fuselage and tail boom. The pilot reported no preimpact mechanical malfunctions or failures with the helicopter that would have precluded normal operation.
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
What happened, in order
- Controlled flight into terrain or object (CFIT) during enroute (cruise) defining event
The NTSB's findings
- Personnel issues › Task performance › Use of equip/info › Aircraft control › Pilot
- Environmental issues › Physical environment › Terrain › Mountainous/hilly terrain › Decision related to condition
- Personnel issues › Task performance › Workload management › Task allocation › Pilot
- Personnel issues › Action/decision › Info processing/decision › Decision making/judgment › Pilot
- Personnel issues › Psychological › Attention/monitoring › Task monitoring/vigilance › Pilot
Pilot
- Certificate: commercial pilot
- Ratings: single-engine land; instrument: airplane; instrument: helicopter; rotorcraft: helicopter
- Flight time: 4,723 hours in all; 1,867 in this make and model; 3,992 as pilot in command
- Last flight review: March 1, 2023
- Medical certificate: Class 2 (without waivers/limitations)
- Seat: rgt
- Injury: no injuries
The aircraft
- Airframe total time: 6,067.7 hours
- Last inspection: approved inspection programme, February 23, 2023
- Maximum gross weight: 2,950 lb
- Seats: 7
- Landing gear: fixed
- Engine 1: Pratt & Whitney PW206B2 (turboshaft); 5,665 hours total
- Engine 2: Pratt & Whitney PW206B2 (turboshaft); 10,120 hours total
- Operator: Med-Trans Corporation
The flight
- Departed from: 5NC4 Murphey NC at 11:44 pm
- Destination: NC95 Asheville NC
Weather at the time
- Light: night
- Visibility: 10 statute miles
- Sky: overcast at 5,000 ft
- Temperature: 54°F (12°C), dew point 32°F (0°C)
- Altimeter: 30.16 inHg
- Observation at 7:15 pm from K1A5, 4 miles away
Weather report (METAR): METAR K1A5 100015Z AUTO 00000KT 10SM OVC050 12/00 A3016 RMK AO2 T01171001=
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flig | 1 | |||
| Passengers | 3 |
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.
About this page
Everything above comes from the NTSB's public accident database: the narrative, probable cause and findings are the NTSB's own words, and the coded tables behind its report (pilot, aircraft, flight, weather, injuries, sequence of events) are written out in plain English. Pilots' ages, home towns and medical details are left out on purpose. The documents and photographs are the NTSB's docket, the folder of records gathered during the investigation, shown as the NTSB released them (the NTSB redacts some personal details first) and listed under the NTSB's own titles. This site's own text never names pilots, passengers or anyone else involved. A preliminary report describes what is known soon after the event and can change; the final report, with the probable cause, usually follows one to two years later and this page is refreshed when it does. Case number ERA23LA147.