# Accident 20111113027979A: Messerschmitt-Bolkow-Blohm BK 117 B-2, Carbondale, IL, November 13, 2011

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 13, 2011, 04:10 local time
- Place: Carbondale, IL
- Damage: Substantial damage
- Phase of flight: Other, Specify
- Operating rules: Air taxi and commuter (Part 135)
- Operator: QMLA
- Location: 37.7269° N, 89.2211° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=37.7269&lon=-89.2211&mi=10
- Aircraft: N330SL, a cancelled registration (https://openairdocs.org/deregistered/N330SL-2014-06-02) (OpenAirDocs)
- Registry model: Messerschmitt-Bolkow-Blohm BK 117 B-2 (registry code 5626013, https://openairdocs.org/model/messerschmitt-bolkow-blohm-bk-117-b-2) (OpenAirDocs)
- Registry engine: Lycoming LTS-101 series (registry code 41560, https://openairdocs.org/engine/lycoming-lts-101-series) (OpenAirDocs)
- Reported make and model: MESSERSCHMITT-BOLKOW-BLOHM BK 117 B-2
- Reported engine: LYCOMING LTS-101 SER
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- NTSB investigation: [NTSB CEN12CA078](https://openairdocs.org/ntsb/CEN12CA078) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20111113027979A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

THE HELICOPTER LANDED ON THE ROOFTOP HELIPORT OF THE HOSPITAL TO OFFLOAD A PATIENT. DURING COAST DOWN OF THE MAIN AND TAIL ROTOR SYSTEM AFTER THE ENGINES HAD BEEN SHUT DOWN AND THE ROTORS WERE TURNING VERY SLOWLY A STRONG GUST OF WIND CAUSED A MAIN ROTOR BLADE TO FLEX UP AND DOWN RESULTING IN THE MAIN ROTOR BLADE STRIKING THE TAIL BOOM DESTROYING THE MAIN ROTOR BLADE AND THE HORIZONTAL STABILIZER VERTICAL END PLATE AND DAMAGING THE TAIL BOOM ON THE L/H SIDE OF THE AIRCRAFT.

## The NTSB's investigation of this event (1)

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 CEN12CA078](https://openairdocs.org/ntsb/CEN12CA078), Nov 13, 2011: Messerschmitt-Bolkow-Blohm BK 117 B-2 (N330SL), Carbondale, IL, substantial damage. Probable cause: The main rotor blade’s contact with the vertical stabilizer during the engine shutdown in strong, gusty wind conditions.

## Other reports on N330SL (1)

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

- [Incident 20040418007489I](https://openairdocs.org/incident/20040418007489I), Apr 18, 2004: Bolkms BK117B1 (N330SL), St Louis, MO, Minor damage. (-23) Pilot (lassner) landed short of the heli-pad (MU05) and the tail rotor struck a chain link fence. Two of the main rotor blades struck the top wire strike…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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