# Incident 20070518013189I: Bolkms BK117B2, St Louis, MO, May 18, 2007

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: May 18, 2007, 20:34 local time
- Place: St Louis, MO
- Airport: Arch
- Damage: Minor damage
- Phase of flight: Aerial Taxi, Other Helicopter
- Operating rules: Air taxi and commuter (Part 135)
- Operator: A1UA
- Location: 38.6252° N, 90.2133° W: Placed by OpenAirDocs at ARCH (MU05), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.6252&lon=-90.2133&mi=10
- Aircraft: N911KD, a cancelled registration (https://openairdocs.org/deregistered/N911KD-2015-10-01) (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-750-B-1 (registry code 41564, https://openairdocs.org/engine/lycoming-lts-750-b-1) (OpenAirDocs)
- Reported make and model: BOLKMS BK117B2
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 7,000 total, 3,500 in this make and model, 100 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20070518013189I

## Narrative

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

(-23) WHILE REPOSITIONING (HOVERING FLIGHT) AIRCRAFT AT DEPARTURE LOCATION ON AN AUTHORIZED FLIGHT, THE PILOT ALLOWED THE AIRCRAFT TO DESCEND AND STRIKE THE GROUND HARD. PILOT STATEMENT REPORTED THAT THAT COLLECTIVE LEVER HAD SLIPPED OUT OF HIS HAND WHICH PRECEDED THE AIRCRAFT'S RAPID AND UNEXPECTED DESCENT. PILOT FAILED TO ARREST THE COLLECTIVE PITCH PRIOR TO GROUND CONTACT. AIRCRAFT'S (SPREAD) SKID GEAR SHOWED OBVIOUS DAMAGE. EXAMINATION OF THE AIRCRAFT FAILED TO DISCLOSE ANY MATERIAL/MAINTENANCE DEFECT/ERRORS.

## Other reports on N911KD (1)

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

- [Incident 20100320030729I](https://openairdocs.org/incident/20100320030729I), Mar 20, 2010: Messerschmi BK 117 B-2 (N911KD), Granite City, IL, Minor damage. Approximately 2 miles from destination in level cruise flight at 1500'AGL a loud bang was heard followed by wind entering cockpit. A large bird had struck the…

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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