ERA11WA472

NTSB accident investigation · Agusta AW139 · Brazil · August 19, 2011

Accident · FatalForeign investigation
Date
August 19, 2011, 19:48 local (19:48 UTC)
Place
Brazil
Injuries
4 fatal
Damage
Substantial damage
Phase of flight
Emergency descent
Aircraft
PR-SEKAgusta AW139
Defining event
Emergency descent: Loss of control in flight
Weather
Visual (VMC)
NTSB office
Eastern Region Aviation
Lead agency
Other
Parties
FAA/IFO
Case key
81604

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

On this page

Findings · 2

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.

Hydraulic power system: hydraulic, main systemAircraft › Aircraft systems · FailureAll aircraft: 27 casesProbable cause
ActionPersonnel issues › Action/decision · PilotAll aircraft: 111 casesProbable cause

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.

Factual narrative

On August 19, 2011, at 1948 coordinated universal time (16:48 local time), an Agusta, AW139, helicopter, Brazilian registration PT-SEK, impacted into the Atlantic Ocean, near an oil rig, identifier P-65, the helicopter sank in waters with a recorded floor depth of 100 meters (328 feet). The 2 person flight crew and 2 passengers have not been located and are presumed killed. The flight had just departed P-65 and was en route to Macae Municipality, Rio de Janerio, Brazil, at the time of the accident. The investigation is under the direction of the Government of Brazil. For further information contact: Aeronautical Accident Prevention and Investigation Center Investigative Division SHIS-QI 05-VI COMAR Brasilia-DF, Brazil 71.615-600 Tel: (55-61) 3364-8812 Email: dipaa.spai@cenipa.aer.mil.br This report is for informational purposes, and only contains information released by the government of Brazil.

Aircraft

Registration
PR-SEK
Reported as
Agusta AW139
Category
Helicopter
Serial number
31081
Damage
Substantial damage
Flight
Non-U.S., commercial
Operator
Senior Taxi Aereo Ltda.
Registered owner
Senior Taxi Aereo Ltda.
Departed
9PSD · P-65 Oil Rig
Destination
SBME · Rio de Janerio
Flight plan
Unknown

Weather

Conditions
Visual (VMC)

Docket · 1

The files NTSB released with the investigation on September 1, 2011, on NTSB’s docket system: statements, records, photos and specialists’ reports. 7 KB in all.