CHI82DA301

NTSB accident investigation · Hiller 12E · Palisade, MN · August 10, 1982

Accident · No injuriesFinal report
Date
August 10, 1982, 08:00 local (13:00 UTC)
Place
Palisade, MN
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N5594NHiller 12E
Weather
Visual (VMC) · Day
Status
Completed · report August 10, 1983
Report
Approved by Office Director
FAA report
19820810036689A
Case key
72141

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.

Loss of engine power(total) - mech failure/malfManeuvering - aerial application
Engine assembly,connecting rod - undertorquedCause
Maintenance,overhaul - inadequateOther maintenance personnelCause
Engine assembly,connecting rod - failure,totalCause
Forced landingLanding - flare/touchdown
Autorotation - initiatedPilot in command
Roll overLanding - flare/touchdown
Landing gear,skid assembly - overload
Landing gear,skid assembly - failure,total

Analysis

Aircraft lost power, pilot autorotated at 20 feet AGL. Made hard forced landing and aircraft rolled over. Piston rod failed because cap bolt was undertorqued.

Aircraft

Registration
N5594N
Reported as
Hiller 12E
Category
Helicopter
Serial number
1453
Airframe hours
4,014
Engine
Lycoming VO-540-C2A, 305 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Operator
Dagnon Aviation
Registered owner
Dagnon Aviation
Departed
Palisade, MN
Destination
Palisade, MN

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
22
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Flight hours
675 total · 195 in this make and model · 417 as pilot in command · 190 in the last 90 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
360° at 3 knots
Visibility
20 statute miles

FAA reports on this event · 1

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

Other investigations on N5594N · 3

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