Aircraft Accident/Incident Report

Holy Cross, Alaska 99602
Thursday, May 6, 1993 15:30 AKD

NTSB Narrative Summary Released at Completion of Accident

THE PILOT REPORTED THAT WHILE IN CRUISE FLIGHT LOOKING AT BIRDS OUT THE LEFT SIDE COCKPIT WINDOW HE OBSERVED PERIPHERALLY A 'WHITE FLASH' FILL THE RIGHT SIDE OF THE FORWARD WIND SCREEN FOLLOWED IMMEDIATELY BY AN AUDIBLE 'THUMP'. THE AIRPLANE BEGAN AN UNCONTROLLABLE DESCENT AND YAW TO THE RIGHT. THE ENGINE CONTINUED TO RUN SMOOTHLY. ADVANCING THE ENGINE POWER CONTROLS HAD NO NOTICEABLE AFFECT ON HIS ABILITY TO ARREST THE DESCENT. THE NTSB INVESTIGATOR IN CHARGE VISITED THE ACCIDENT SITE. NO EVIDENCE WAS FOUND OF A BIRD STRIKE. THE ACCIDENT SITE WAS SURROUNDED BY TALL (WHITE) BIRCH TREES. THE PILOT STATED THAT HE WAS NOT SURE WHAT HE STRUCK AND THAT IT COULD HAVE BEEN A TREE.

NTSB Probable Cause Narrative

THE FAILURE OF THE PILOT IN COMMAND TO MAINTAIN THE PROPER ALTITUDE. THE TREES WERE A FACTOR IN THE ACCIDENT.

Event Information

Type of Event Accident
Event Date 5/6/1993
Event Day of the Week Thursday
Time of Event 1530
Event Time Zone --
Event City HOLY CROSS
Event State ALASKA
Event Country --
Zipcode of the event site 99602
Event Date Year 1993
Event Date Month 5
MidAir Collision Indicator No
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 Not pertinent
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 0
Lowest Non-Ceiling Height 10000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 30
Air Temperature at event time (in degrees celsius) 10
Dew Point at event time (in degress fahrenheit) -2
Wind Direction (degrees magnetic) 360
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 814
NTSB Notification Source --
NTSB Notification Date May 6 1993 12:00AM
NTSB Notification Time 1700
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 11 2000 1:17PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N70364
NTSB Number ANC93FA060
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed Company VFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 207
Aircraft Series Identifier 207
Aircraft Serial Number 00550
Certified Max Gross Weight 3800
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 7
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection AAIP
Date of Last Inspection Apr 26 1993 12:00AM
Airframe hours since last inspection 21
Airframe Hours 7801
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Yes
ELT Type --
Aircraft Owner Name MARKAIR EXPRESS
Aircraft Owner Street Address 4100 W. INT'L ARPT ROAD
Aircraft Owner City ANCHORAGE
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99519
Operator is an individual? --
Operator Name MARKAIR EXPRESS
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 4100 W. INT'L ARPT ROAD
Operator City ANCHORAGE
Operator State AK
Operator Country
Operator Zip code 99519
Operator Code HERA
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 --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Positioning
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code SHX
Departure City SHAGELUK
Departure State AK
Departure Country
Departure Time 1518
Departure Time Zone ADT
Destination Same as Local Flt --
Destination Airport Code ANI
Destination City ANIAK
Destination State AK
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
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 --