Aircraft Accident/Incident Report

Cusco Peru
Saturday, July 19, 2008 14:14 UTC

NTSB Narrative Summary Released at Completion of Accident

On July 19, 2008, about 1414 universal coordinated time, a Sikorsky S-61N helicopter, N91158, was substantially damaged during a forced landing in a jungle area, near Cusco, Peru. The 2 flight crew members and 11 passengers were not injured. Meteorological conditions at the time of the local flight were unknown. According to information released by the Peruvian government, the helicopter was on final approach to land at a helipad, when the pilot felt a sudden decrease in engine torque and rpm. The helicopter was not able to reach the helipad, and the pilot performed an emergency landing to uneven terrain. The accident occurred in the vicinity of 11 degrees, 52 minutes south latitude, 71 degrees, 54 minutes west longitude. This investigation is under the jurisdiction of the Comision de Investigacion de Accidentes de Aviacion (CIAA). Any further information pertaining to this accident may be obtained from: CIAA Direccion General de Aeronautica Civil 12003 Avenida Jiron Zorritos Lima, Peru This report is for informational purposes and contains only information released by the Government of Peru.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 7/19/2008
Event Day of the Week Saturday
Time of Event 1414
Event Time Zone Coordinated Universal Time? Same as GMT
Event City Cusco
Event State --
Event Country PERU
Zipcode of the event site --
Event Date Year 2008
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 115208N
Event Location Longitude 0715413W
Event Location Airport --
Event Location Nearest Airport ID --
Indicates whether the acc/inc occurred off or on an airport --
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source --
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID --
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation --
Lighting Conditions --
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling --
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) --
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator --
Wind Gust Indicator --
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 13
Injury Total Serious --
Injury Total All --
Investigating Agency Foreign
NTSB Docket Number (internal use) --
NTSB Notification Source CIAA of Peru
NTSB Notification Date Jul 23 2008 12:00AM
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Aug 8 2008 2:13PM
User who most recently changed record MUZD
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N91158
NTSB Number NYC08WA256
Missing Aircraft Indicator --
Federal Aviation Reg. Part Non-U.S., Non-Commercial
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire --
Aircraft Explosion --
Aircraft Manufacturer's Full Name Sikorsky
Aircraft Model S-61N
Aircraft Series Identifier --
Aircraft Serial Number --
Certified Max Gross Weight --
Aircraft Category Helicopter
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft --
Number of Engines --
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection --
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed --
ELT Activated --
ELT Aided Location of Event Site --
ELT Type --
Aircraft Owner Name --
Aircraft Owner Street Address --
Aircraft Owner City --
Aircraft Owner State --
Aircraft Owner Country --
Aircraft Owner Zipcode --
Operator is an individual? --
Operator Name --
Operator Same as Owner? --
Operator Is Doing Business As --
Operator Address Same as Owner? --
Operator Street Address --
Operator City --
Operator State --
Operator Country PE
Operator Zip code --
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? --
Certified for Part 133 or 137 Operation --
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board --
Departure Point Same as Event Yes
Departure Airport Code --
Departure City Cusco
Departure State --
Departure Country PE
Departure Time --
Departure Time Zone UTC
Destination Same as Local Flt crash at destination city
Destination Airport Code --
Destination City Cusco
Destination State --
Destination Country PE
Specific Phase of Flight Approach
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Aug 8 2008 2:14PM
User who most recently changed record MUZD
Since inspection or accident --
Event Location Runway Number and Location --
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --