# Accident 20130423008929A: Enstrom F-28C, Lanesboro, IA, April 23, 2013

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 23, 2013, 18:30 local time
- Place: Lanesboro, IA
- Damage: Substantial damage
- Phase of flight: Landing: Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 42.1614° N, 94.6339° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=42.1614&lon=-94.6339&mi=10
- Aircraft: N51767, a cancelled registration (https://openairdocs.org/deregistered/N51767-2018-09-13) (OpenAirDocs)
- Registry model: Enstrom F-28C (registry code 3300407, https://openairdocs.org/model/enstrom-f-28c) (OpenAirDocs)
- Registry engine: Lycoming HIO-360 series (registry code 41524, https://openairdocs.org/engine/lycoming-hio-360-series) (OpenAirDocs)
- Reported make and model: ENSTROM F-28C
- Reported engine: LYCOMING HIO-360 SER
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Commercial pilot
- Pilot flight hours: 630 total, 400 in this make and model, 45 in the last 90 days
- NTSB investigation: [NTSB CEN13CA238](https://openairdocs.org/ntsb/CEN13CA238) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20130423008929A

## Narrative

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

THE AIRCRAFT WAS CONDUCTING AN AERIAL SURVEY CONTRACTED BY THE IOWA DEPARTMENT OF NATURAL RESOURCES (DNR).  THE PURPOSE OF THE SURVEY WAS TO CONDUCT A STATEWIDE COUNT OF GEESE.  THE PILOT WAS ACCOMPANIED IN THE AIRCRAFT BY A WILDLIFE BIOLOGIST EMPLOYED BY THE DNR.  THE PILOT?S DOOR BECAME UNLATCHED IN FLIGHT.  THE PILOT WAS UNABLE TO SECURE THE DOOR IN FLIGHT. THE PILOT ELECTED TO LAND IN AN AGRICULTURAL FIELD TO SECURE THE DOOR.   THE AIRCRAFT APPROACHED THE LANDING POINT DOWNWIND AND REPORTED TURBULENCE AS THE AIRCRAFT NEARED THE GROUND.  THE AIRCRAFT IMPACTED THE GROUND WITH SUFFICIENT FORCE TO FLEX THE MAIN ROTOR BLADES TO THE POINT THAT THE BLADES CONTACTED THE TAIL ROTOR BOOM AND CUT IT OFF.  THE AIRCRAFT ALSO BOUNCED, YAWED AND CAME TO REST APPROXIMATELY 80 DEGREES FROM THE DIRECTION OF APPROACH.  THE PILOT AND PASSENGER EXITED THE AIRCRAFT.  THE PILOT REPORTED NO INJURY.  THE PASSENGER REPORTED A SMALL ABRASION TO HIS RIGHT HAND AND A SMALL CONTUSION ON HIS HEAD.  THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE.

## 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 CEN13CA238](https://openairdocs.org/ntsb/CEN13CA238), Apr 24, 2013: Enstrom F-28C (N51767), Lanesboro, IA, substantial damage. Probable cause: The pilot’s failure to maintain control of the helicopter while making an off-airport landing with a gusty tailwind.

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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