# Accident 19990910042419A: Bolkms BO105CBS, Kenansville, FL, September 10, 1999

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 10, 1999, 03:14 local time
- Place: Kenansville, FL
- Damage: Substantial damage
- Phase of flight: Final Approach
- Operating rules: General operating rules (Part 91)
- Operator: HDNA
- Location: 27.8806° N, 80.9890° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=27.8806&lon=-80.9890&mi=10
- Aircraft: N911HR, a cancelled registration (https://openairdocs.org/deregistered/N911HR-2000-06-30) (OpenAirDocs)
- Registry model: Messerschmitt BO105CBS (registry code 5626008, https://openairdocs.org/model/messerschmitt-bo105cbs) (OpenAirDocs)
- Reported make and model: BOLKMS BO105CBS
- Reported engine: ALLSN 250C20B
- Fatal injuries: 0
- Pilot flight hours: 4,664 total, 105 in this make and model, 54 in the last 90 days
- NTSB investigation: [NTSB MIA99FA250](https://openairdocs.org/ntsb/MIA99FA250) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990910042419A

## Narrative

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

(-23) WHILE RESPONDING TO AN ACCIDENT SCENE ON THE FLORIDA TURNPIKE N911HR.A BO-105 HELICOPTER CRASHED ON FINAL APPROACH TO THE LANDING SITE. THE PILOT STATES THAT WHEN TURNING FINAL HE WAS AT 300 FEET AND 60 KNOTS. AS HE ROLLED ONTO FINAL AND STABILIZED THE APPROACH HE SAW TREES IN THE GLOW OF HIS LANDING LIGHT WITH HIS PERIPHERAL VISION. HE APPLIED POWER WITHOUT RESULTS.HE APPLIED ADDITIONAL POWER AND APPEARED TO ACCELERATE TOWARD THE TREES. HE THEN TRIED TO DECELERATE THE A/C AND APPLIED MORE POWER AND IMPACTED THE TREES AT APPROX. 60 FEET ABOVE THE GROUND AND THEN IMPACTED THE GROUND ON ITS RIGHT SIDE.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           (-4)WHILE APPROACHING A LANDING AREA TO PICK UP A PATIENT THE PILOT STATED THAT AS HE PASSED THROUGH 300 FEET, THE HELICOPTER BEGAN TO DESCEND RAPIDLY. HE APPLIED COLLECTIVE CONTROL AND ENGINE POWER, BUT THE HELICOPTER CONTINUED TO DESCEND. THE HELICOPTER COLLIDED WITH TREES AND THEN ROLLED ONTO THE RIGHT SIDE, COMING TO REST IN A SWAMPY AREA. HE DID NOT OBSERVE ANY ANOMALIES OR WARNING LIGHTS. POST CRASH EXAMINATION OF THE HELICOPTER STRUCTURE, FLIGHT CONTROLS, ENGINES, DRIVESHAFTS, AND TRANSMISSIONS SHOWED NO EVIDENCE OF PRECRASH FAILURE OR MALFUNCTION.

## 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 MIA99FA250](https://openairdocs.org/ntsb/MIA99FA250), Sep 10, 1999: Mbb BO105CBS (N911HR), Kenansville, FL, substantial damage. Probable cause: The pilots failure to recognize entry into settling with power during approach to land and his failure to take remedial action to escape from settling with power resulting in the helicopter…

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.