MKC84LA153

NTSB accident investigation · Hiller 12E · Bedford, IA · May 29, 1984

Accident · Minor injuriesLimited investigationFinal report
Date
May 29, 1984, 11:15 local (16:15 UTC)
Place
Bedford, IA
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N2726CHiller 12E
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840529024079A
Case key
33693

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

In flight collision with terrain/waterManeuvering - aerial application
Altitude - inadequatePilot in commandCause
Roll overManeuvering - aerial application

Analysis

The plt had made two swath runs & was descending to begin the third. He stated that the turn was downwind & as he approached the level-off altitude he encountered a downdraft. The acft impacted the ground & rolled over. The plt also stated that the downdraft may have come from his own downwash.

Aircraft

Registration
N2726C
Reported as
Hiller 12E
Category
Helicopter
Serial number
2188
Airframe hours
7,140
Engine
Lycoming VO-540-B1A, 305 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
Circle Bin Sales, Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · March 1, 1984 · 15 hours before

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
42
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Center
Flight hours
2,855 total · 1,143 in this make and model · 2,785 as pilot in command · 65 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
360° at 3 knots
Visibility
20 statute miles
Lowest ceiling
None
Temperature
70 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.