Aircraft Accident/Incident Report

Platinum, Alaska 99651
Monday, May 21, 1984 15:59 AKD

NTSB Narrative Summary Released at Completion of Accident

THE HERRING SEASON WAS TO OPEN AT 1600 HRS. ACCORDING TO WITNESSES, ABOUT 30 ACFT WERE CIRCLING IN LEFT TURNS OVER MERGING SCHOOLS OF HERRING WHILE THE PLTS & THEIR RESPECTIVE BOAT CREWS WERE AWAITING THE OPENING SIGNALS. THE ACFT WERE CIRCLING UNDER A LOW OVERCAST WHERE THE HERRING WERE MERGING NEAR A SHORELINE. TWO ACFT (A PIPER PA-18, N82554, & A CESSNA 182H, N4798U) COLLIDED WHILE THE PLTS WERE SPOTTING FISH. OF 6 WITNESSES WHO SAW THE COLLISION 5 AGREED THAT THE CESSNA WAS CONVERGING FROM INSIDE THE RADIUS OF THE PIPER'S TURN. AFTER COLLIDING, BOTH ACFT IMPACTED ON A BLUFF NEAR THE SHORELINE. WITNESSES USED SUCH TERMS AS 'FRANTIC', 'CHAOTIC' & 'INSANE' WHEN THEY DESCRIBED THE FLT ACTIVITY OVER THE FISH AT THE OPENING OF THE HERRING SEASON WITH ITS LUCRATIVE REWARDS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/21/1984
Event Day of the Week Monday
Time of Event 1559
Event Time Zone --
Event City PLATINUM
Event State ALASKA
Event Country --
Zipcode of the event site 99651
Event Date Year 1984
Event Date Month 5
MidAir Collision Indicator Yes
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 500
Lowest Non-Ceiling Height 500
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 12
Air Temperature at event time (in degrees celsius) 9
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 170
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1551
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft #2

Aircraft Registration Number N82454 N4798U
NTSB Number ANC84FA073A ANC84FA073B
Missing Aircraft Indicator N N
Federal Aviation Reg. Part Part 91: General Aviation Part 91: General Aviation
Type of Flight Plan filed None None
Flight plan Was Activated? -- --
Damage Destroyed Destroyed
Aircraft Fire None None
Aircraft Explosion None None
Aircraft Manufacturer's Full Name PIPER CESSNA
Aircraft Model PA-18-150 180H
Aircraft Series Identifier PA-18-150 180H
Aircraft Serial Number 7809140 18051498
Certified Max Gross Weight 1760 2820
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 2 4
Number of Engines 1 1
Fixed gear or retractable gear Fixed Fixed
Aircraft, Type of Last Inspection Annual Unknown
Date of Last Inspection Feb 15 1984 12:00AM --
Airframe hours since last inspection 84 --
Airframe Hours 806 7588
ELT Installed Yes Yes
ELT Activated No No
ELT Aided Location of Event Site No No
ELT Type -- --
Aircraft Owner Name WALTER ARNOLD HANSON GREGORY S. CURLEY
Aircraft Owner Street Address 24848 188TH AVE. S.E. P.O.BOX 348
Aircraft Owner City KENT KODIAK
Aircraft Owner State WA AK
Aircraft Owner Country
Aircraft Owner Zipcode 98031 99615
Operator is an individual? -- --
Operator Name WALTER ARNOLD HANSEN GREGORY STEPHEN CURLEY
Operator Same as Owner? No No
Operator Is Doing Business As -- --
Operator Address Same as Owner? No No
Operator Street Address 24848 188TH AVE SE P O BOX 348
Operator City KENT KODIAK
Operator State WA AK
Operator Country
Operator Zip code 98031 99615
Operator Code
Owner has at least one certificate None None
Other Operator of large aircraft? No No
Certified for Part 133 or 137 Operation Unknown Unknown
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) Other Work Use Other Work Use
Second Pilot on Board No No
Departure Point Same as Event No No
Departure Airport Code
Departure City ASIGYUGPAK BAY ASPIGYUGPAK SPI
Departure State AK AK
Departure Country
Departure Time 0 0
Departure Time Zone
Destination Same as Local Flt crash at destination city dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Maneuvering Maneuvering
Report sent to ICAO? -- --
Evacuation occurred -- --
Date of most recent change to record Jan 2 2001 10:36AM Jan 2 2001 10:36AM
User who most recently changed record dbo dbo
Since inspection or accident -- --
Event Location Runway Number and Location 0 0
Runway Length -- --
Runway Width -- --
Sight Seeing flight No No
Air Medical Flight No No
Medical Flight -- --