Aircraft Accident/Incident Report

Kaltag, Alaska 99748
Monday, September 3, 1990 15:20 AKD

NTSB Narrative Summary Released at Completion of Accident

THE PILOT REPORTED THAT THE #2 ENGINE BEGAN TO LOSE POWER AS HE WAS FLYING UNDER A LOW OVERCAST & ABOUT 500 FT ABOVE A RIVER. SUBSEQUENTLY, THE AIRPLANE DESCENDED & THE FUSELAGE & LEFT PROPELLER CONTACTED THE WATER. WITH THESE PROBLEMS & DECREASING VISIBILITY AHEAD, THE PILOT ELECTED TO MAKE A 180 DEGREE TURN. HE SAID THAT ABOUT MIDWAY THROUGH THE TURN, THE #2 ENGINE LOST ALL POWER. THE AIRPLANE THEN CRASHED INTO TREES & WAS DESTROYED BY A POST-IMPACT FIRE. NO REASON WAS FOUND FOR EITHER ENGINE TO LOSE POWER BEFORE WATER OR TREE CONTACT.

NTSB Probable Cause Narrative

FAILURE OF THE PILOT TO MAINTAIN ADEQUATE ALTITUDE AFTER BECOMING DISTRACTED WITH AN ENGINE PROBLEM. FACTORS RELATED TO THE ACCIDENT WERE: LOSS OF POWER IN THE #2 ENGINE FOR AN UNKNOWN REASON AND THE LOW OVERCAST CONDITION.

Event Information

Type of Event Accident
Event Date 9/3/1990
Event Day of the Week Monday
Time of Event 1520
Event Time Zone --
Event City KALTAG
Event State ALASKA
Event Country --
Zipcode of the event site 99748
Event Date Year 1990
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID NONE
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 Partial - limited by pilot
Investigator's weather source Pilot
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 700
Lowest Non-Ceiling Height 0
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) 2
Air Temperature at event time (in degrees celsius) 7
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 220
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 7
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Light
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 3
Injury Total Minor 1
Injury Total None --
Injury Total Serious 6
Injury Total All 10
Investigating Agency NTSB
NTSB Docket Number (internal use) 1737
NTSB Notification Source
NTSB Notification Date Sep 3 1990 12:00AM
NTSB Notification Time 2015
Fiche Number and/or location -used to find docket information 43470
Date of most recent change to record Dec 12 2000 5:20PM
User who most recently changed record dbo
Basic weather conditions Unknown
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N59783
NTSB Number ANC90FA161
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-31-325
Aircraft Series Identifier PA-31-325
Aircraft Serial Number 31-7612024
Certified Max Gross Weight 6500
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 8
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name CHRISTOPHER A. STEPOVICH
Aircraft Owner Street Address 323 CHARLES ST.
Aircraft Owner City FAIRBANKS
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99701
Operator is an individual? --
Operator Name FRONTIER FLYING SERVICE
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 3820 UNIVERSITY AVENUE
Operator City FAIRBANKS
Operator State AK
Operator Country
Operator Zip code 99709
Operator Code FFSA
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code NUL
Departure City NULATO
Departure State AK
Departure Country
Departure Time 1510
Departure Time Zone ADT
Destination Same as Local Flt crash at destination city
Destination Airport Code KAL
Destination City KALTAG
Destination State AK
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --