Aircraft Incident/Accident Report

Ketchikan, Alaska 99901
Monday, August 19, 2002 7:45 AKD

| More
NTSB Narrative Summary Released at Completion of Accident
Two airplanes operated by the same company, a float-equipped deHavilland DHC-2 Beaver, and a float-equipped deHavilland DHC-3 Turbine Otter, collided in midair as they were en route to the same remote destination. The Beaver sustained minor damage to the floats, and the Turbine Otter sustained substantial damage to the top portion of the wings, the fuselage, and vertical stabilizer. The collision occurred over an area of coastal channels and fjords. The pilot of the Beaver stated that his airplane was the first of three company airplanes to depart. Once airborne, and clear of the class E airspace, he changed radio frequencies to monitor a common traffic advisory frequency. He said that about 15 minutes after departure, while in level cruise flight, about 2,000 feet above the water, he felt a sudden thump, followed by a pronounced airframe shudder. He then observed the top of the left wing of the Turbine Otter to his left side, just under the floats of his airplane. He said that just after the two airplanes collided, the Turbine Otter made a left, descending turn, away from his airplane. He said that after determining that he still had full flight control, he elected to return to the operator's base of operation. The pilot of theTurbine Otter said that his airplane was the second of three airplanes. He said that he departed about 5 minutes after the Beaver, and proceeded on a northerly heading, while climbing the airplane to about 2,200 feet. He said that he changed radio frequencies to monitor a common traffic advisory frequency. He said that about 10 minutes after departure, he heard one of the passengers seated in the rear of the airplane yell "airplane." About two seconds later, the pilot heard a loud scrape on the top portion of the airplane. The pilot said that just after the impact, he experienced some difficulty in controlling the airplane, but was soon able to regain partial control, and subsequently made an emergency landing in the ocean waters in the channel. The pilot of theTurbine Otter reported that his airplane was about 10 knots faster than the Beaver.
NTSB Probable Cause Narrative
The failure of the pilot of the other airplane to maintain an adequate visual lookout, which resulted in a midair collision between the two airplanes.
Event Information
Type of EventAccident 
Event Date8/19/2002 
Event Day of the WeekMonday 
Time of Event745 
Event Time Zone-- 
Event CityKetchikan 
Event StateALASKA 
Event Country-- 
Zipcode of the event site99901 
Event Date Year2002 
Event Date Month
MidAir Collision IndicatorYes 
On Ground Collision occurred ?No 
Event Location Latitude552100N 
Event Location Longitude1314000W 
Event Location Airport-- 
Event Location Nearest Airport ID-- 
Indicates whether the acc/inc occurred off or on an airportOff Airport/Airstrip 
Distance from airport in statute miles12 
Degrees magnetic from airport360 
Airport Elevation-- 
Weather Briefing CompletenessFull 
Investigator's weather sourcePilot 
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 ConditionsDay 
Lowest Ceiling Height3500 
Lowest Non-Ceiling Height-- 
Sky/Lowest/Cloud Conditions-- 
Sky Condition for Lowest CeilingBroken 
Visibility Runway Visual Range (Feet)-- 
Visibility Runway Visual Value (Statute Miles)-- 
Visibility (Statute Miles) 10 
Air Temperature at event time (in degrees celsius)-- 
Dew Point at event time (in degress fahrenheit)-- 
Wind Direction (degrees magnetic)210 
Variable Wind IndicatorWind direction could be determined 
Wind Speed (knots)
Wind Velocity Indicator -- 
Wind Gust IndicatorNot Gusting 
Wind Gust (knots) -- 
Altimeter Setting at event time (in. Hg) 30.01 
Density Altitude (feet)-- 
Intensity of Precipitation-- 
METAR weather report -- 
Event Highest InjuryNone 
On Ground, Fatal Injuries-- 
On Ground, Minor Injuries-- 
On Ground, Serious Injuries-- 
Injury Total Fatal-- 
Injury Total Minor-- 
Injury Total None16 
Injury Total Serious-- 
Injury Total All-- 
Investigating AgencyNTSB 
NTSB Docket Number (internal use)13538 
NTSB Notification SourceANC FAA, ROC  
NTSB Notification DateAug 19 2002 12:00AM 
NTSB Notification Time915 
Fiche Number and/or location -used to find docket informationDMS 
Date of most recent change to recordJul 1 2003 9:44AM 
User who most recently changed recordNTSB\MONR  
Basic weather conditionsVisual Meteorological Cond 
FAA District OfficeJuneau FSDO 
Aircraft Involved
Aircraft #1 Aircraft #2
Aircraft Registration Number N64393  N409PA 
NTSB Number ANC02LA098A  ANC02LA098B 
Missing Aircraft Indicator --  -- 
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter  Part 135: Air Taxi & Commuter 
Type of Flight Plan filed Company VFR  Company VFR 
Flight plan Was Activated? Yes  Yes 
Damage Minor  Substantial 
Aircraft Fire None  None 
Aircraft Explosion None  None 
Aircraft Manufacturer's Full Name de Havilland  de Havilland 
Aircraft Model DHC-2  DHC-3 
Aircraft Series Identifier --  -- 
Aircraft Serial Number 845  409 
Certified Max Gross Weight 5370  7967 
Aircraft Category Airplane  Airplane 
Aircraft Registration Class U.S. Registered/U.S. Soil  U.S. Registered/U.S. Soil 
Aircraft is a homebuilt? No  No 
Flight Crew Seats --  -- 
Cabin Crew Seats --  -- 
Passenger Seats --  -- 
Total number of seats on the aircraft 11 
Number of Engines
Fixed gear or retractable gear Fixed  Fixed 
Aircraft, Type of Last Inspection 100 Hour  AAIP 
Date of Last Inspection Aug 9 2002 12:00AM  Aug 5 2002 12:00AM 
Airframe hours since last inspection 43.8  62.3 
Airframe Hours 29665.3  9541.3 
ELT Installed Yes  Yes 
ELT Activated No  No 
ELT Aided Location of Event Site No  No 
ELT Type --  -- 
Aircraft Owner Name PROMECH, Inc.   Pantechnicon Avaition, Inc.  
Aircraft Owner Street Address 1515 Tongass Avenue   935 NW 24th Avenue  
Aircraft Owner City Ketchikan   Portland  
Aircraft Owner State AK  OR 
Aircraft Owner Country USA   USA  
Aircraft Owner Zipcode 99901  97210 
Operator is an individual? No  No 
Operator Name --  PROMECH, Inc.  
Operator Same as Owner? Yes  No 
Operator Is Doing Business As --  -- 
Operator Address Same as Owner? Yes  No 
Operator Street Address --  1515 Tongass Avenue  
Operator City --  Ketchikan 
Operator State --  AK 
Operator Country --  USA  
Operator Zip code --  99901 
Operator Code PJMA  PJMA 
Owner has at least one certificate --  -- 
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 Non-scheduled  Non-scheduled 
Indicates Domestic or International Flight Domestic  Domestic 
Operator carrying Pax/Cargo/Mail Passenger Only  Passenger Only 
Type of Flying (Per_Bus / Primary) --  -- 
Second Pilot on Board No  No 
Departure Point Same as Event Yes  No 
Departure Airport Code 5KE   5KE  
Departure City Ketchikan  Ketchikan 
Departure State AK  AK 
Departure Country USA  USA 
Departure Time 730  733 
Departure Time Zone ADT  ADT 
Destination Same as Local Flt crash at destination city  crash at destination city 
Destination Airport Code 5KE   5KE  
Destination City Ketchikan  Ketchikan 
Destination State AK  AK 
Destination Country USA  USA 
Specific Phase of Flight Cruise - normal  Cruise - normal 
Report sent to ICAO? Yes  Yes 
Evacuation occurred No  No 
Date of most recent change to record May 15 2003 1:11PM  May 15 2003 1:11PM 
User who most recently changed record PETL   PETL  
Since inspection or accident Time of Accident  Time of Accident 
Event Location Runway Number and Location --  -- 
Runway Length --  -- 
Runway Width --  -- 
Sight Seeing flight Yes  Yes 
Air Medical Flight No  No 
Medical Flight --  --