LAX92LA362

NTSB accident investigation · Enstrom F28C · Irwindale, CA · August 20, 1992

Accident · No injuriesLimited investigationFinal report
Date
August 20, 1992, 15:15 local (22:15 UTC)
Place
Irwindale, CA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N595HEnstrom F28C
Weather
Visual (VMC) · Day
Status
Completed · report September 14, 1993
Report
Approved by Office Director
FAA report
19920820032889A
Case key
27742

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

The pilot's misjudgment of the landing flare during a practice autorotation.

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.

Hard landingLanding - flare/touchdown
Autorotation - initiatedPilot in command
Flare - misjudgedPilot in commandCause

Analysis

According to the pilot, he was practicing autorotations to a flood control basin area. On the mishap autorotation the pilot said he misjudged his flare and landed hard, buckling the tail boom.

Aircraft

Registration
N595H
Reported as
Enstrom F28C
Category
Helicopter
Serial number
372
Airframe hours
2,806
Engine
Lycoming HIO-360-E1AD, 205 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Thomas R. O'Hara
Registered owner
Thomas R. O'Hara
Airworthiness certificate
Standard, Normal
Last inspection
Annual · July 27, 1992 · 7 hours before
Departed
EMT · El Monte, CA
Destination
EMT

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
50
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
992 total · 345 in this make and model · 889 as pilot in command · 9 in the last 90 days · 7 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
180° at 10 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
104 °F
Altimeter
29.00 inHg

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 N595H · 4

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