ERA11CA433

NTSB accident investigation · Eurocopter AS 350 B3 · Humacao, PR · July 30, 2011

Accident · No injuriesData collectionFinal report
Date
July 30, 2011, 17:56 local (21:56 UTC)
Place
Humacao, PR
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N413LPEurocopter AS 350 B3
Defining event
Landing: Tailstrike
Weather
Visual (VMC) · Day
Status
Completed · report October 17, 2011
Report
Approved by Office Director
NTSB office
Eastern Region Aviation
Parties
FAA/FSDO
Case key
81336

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 failure to maintain clearance from a building during landing.

Findings · 3

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Action: lack of actionPersonnel issues › Action/decision · PilotEurocopter AS 350 B3: 3 casesAll aircraft: 792 casesProbable cause
Object/animal/substance: residence/buildingEnvironmental issues › Physical environment · Contributed to outcomeEurocopter AS 350 B3: 1 caseAll aircraft: 58 cases

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot reported that while on final approach, the helicopter's tail rotor impacted the corner of a building while he was trying to avoid flying debris. Following the impact, he immediately lowered the collective and landed without further incident. The pilot reported that there were no mechanical malfunctions or anomalies during the approach to landing. Examination of the helicopter revealed substantial damage to the tail rotor, gearbox, right horizontal stabilizer, and the tail boom.

Factual narrative

The pilot reported that while on final approach, the tail rotor impacted the corner of a building while he was trying to avoid flying debris. Following the impact, he immediately lowered the collective and landed without further incident. The pilot reported that there were no mechanical malfunctions or anomalies during the approach to landing. Examination of the helicopter by a Federal Aviation Administration inspector revealed substantial damage to the tail rotor, gearbox, right horizontal stabilizer, and the tail boom.

Aircraft

Registration
N413LP
Reported as
Eurocopter AS 350 B3
Category
Helicopter
Serial number
3228
Airframe hours
1,209
Engine
Turbomeca ARRIEL 1SER, 681 horsepower, turbo shaft
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Helicorp Inc
Registered owner
Helicorp Inc
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · November 29, 2010 · 99 hours before
Departed
Las Piedras, PR
Destination
Humacao, PR

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
69
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 1, With waivers/limitations
Last flight review
August 14, 2010
Seat
Right
Flight hours
7,806 total · 1,197 in this make and model · 7,806 as pilot in command · 29 in the last 90 days · 12 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
120° at 8 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
84 °F, dew point 73 °F
Altimeter
29.90 inHg
Observed at
TJSJ

Docket · 6

The files NTSB released with the investigation on September 9, 2011, on NTSB’s docket system: statements, records, photos and specialists’ reports. 13.1 MB in all.

Other investigations on N413LP · 1

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