MKC90LA041

NTSB accident investigation · Mancini Rotorway Exec · Mountain Iron, MN · January 7, 1990

Accident · No injuriesLimited investigationFinal report
Date
January 7, 1990, 15:30 local (21:30 UTC)
Place
Mountain Iron, MN
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N4463NMancini Rotorway Exec
Weather
Visual (VMC) · Day
Status
Completed · report December 15, 1992
Report
Approved by Office Director
FAA report
19900107000129A
Case key
34921

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

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Probable cause

Failure of the non-certificated pilot to maintain adequate altitude, while maneuvering the helicopter. The pilot's lack of experience and proper certification (qualification) were related factors.

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.

Dragged wing,rotor,pod,float or tail/skidManeuvering
Proper altitude - not maintainedPilot in commandCause
QualificationPilot in commandFactor
Lack of total experiencePilot in commandFactor
In flight collision with terrain/waterManeuvering

Analysis

While flying his homebuilt helicopter, the non-certified pilot was maneuvering about 4 feet AGL and dragged a skid. Control of the aircraft was lost and it collided with the terrain, sustaining substantial damage. The pilot had a total of about 19 hours, of which 10 were dual instruction received in 1983.

Aircraft

Registration
N4463N
Reported as
Mancini Rotorway Exec (ROTORWAY E)
Category
Helicopter, amateur-built
Serial number
3111
Engine
Chevrolet V-6, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Mancini, Geno F.
Registered owner
Unknown
Airworthiness certificate
Special, Experimental (Special)
Departed
NONE · Mountain Iron, 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
34
Medical
Unknown
Flight hours
19 total · 19 in this make and model · 6 in the last 90 days · 4 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
300° at 4 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
-0 °F, dew point -0 °F
Observed at
HIB, 15 nm away

FAA reports on this event · 1

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