Sunday, June 16, 2019

Hiller UH-12E, N1349A: Accident occurred September 20, 2018 in Frankfort, Marshall County, Kansas

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Wichita, Kansas

Aviation Accident Factual Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Location: Frankfort, KS
Accident Number: GAA18CA573
Date & Time: 09/20/2018, 0730 CDT
Registration: N1349A
Aircraft: Hiller UH 12E
Aircraft Damage: Substantial
Defining Event: Unknown or undetermined
Injuries: 1 None
Flight Conducted Under: Part 133: Rotorcraft Ext. Load 

The pilot in the skid-equipped helicopter reported that he established a hover over a seeding bucket, so that the bucket could be attached to the helicopter's cargo hook by the ground crew. One of the ground crewmembers grabbed the skid while trying to connect the bucket, and the helicopter descended. The main rotor blades struck the auger on the seed tender. The helicopter came to rest upright, on top of a grass bale in front of the seed tender.

The helicopter sustained substantial damage to the main rotor and the tail rotor drive systems.

The pilot reported that there were no mechanical malfunctions or failures with the helicopter that would have precluded normal operation.

Pilot Information

Certificate: Commercial
Age: 58, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land
Seat Occupied: Center
Other Aircraft Rating(s): Helicopter
Restraint Used: 3-point
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 2 With Waivers/Limitations
Last FAA Medical Exam: 03/01/2018
Occupational Pilot: Yes
Last Flight Review or Equivalent: 10/02/2017
Flight Time: (Estimated) 11030 hours (Total, all aircraft), 6980 hours (Total, this make and model), 10925 hours (Pilot In Command, all aircraft), 59 hours (Last 90 days, all aircraft), 54 hours (Last 30 days, all aircraft), 1 hours (Last 24 hours, all aircraft) 

Aircraft and Owner/Operator Information

Aircraft Make: Hiller
Registration: N1349A
Model/Series: UH 12E Undesignated
Aircraft Category: Helicopter
Year of Manufacture: 1960
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 2035
Landing Gear Type: Skid
Seats: 3
Date/Type of Last Inspection: 05/02/2018, Annual
Certified Max Gross Wt.: 3100 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 4654.1 Hours at time of accident
Engine Manufacturer: Lycoming
ELT: Not installed
Engine Model/Series: VO-540-C2A
Registered Owner: Sky Copters Inc.
Rated Power: 340 hp
Operator: Sky Copters Inc.
Operating Certificate(s) Held: Agricultural Aircraft (137); Rotorcraft External Load (133)

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KBIE, 1324 ft msl
Distance from Accident Site: 39 Nautical Miles
Observation Time: 1215 UTC
Direction from Accident Site: 337°
Lowest Cloud Condition: Clear
Visibility:  10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: 13 knots / 16 knots
Turbulence Type Forecast/Actual: /
Wind Direction: 180°
Turbulence Severity Forecast/Actual: /
Altimeter Setting: 29.79 inches Hg
Temperature/Dew Point: 25°C / 20°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Frankfort, KS
Type of Flight Plan Filed: None
Destination: Frankfort, KS
Type of Clearance: None
Departure Time: 0730 CDT
Type of Airspace: Class G 

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude:  39.705556, -96.416944 (est)

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