Cube Cove Airport
Aircraft Accident/Incident Report

Cube Cove, Alaska 99850
Wednesday, July 24, 1991 12:00 AKD

NTSB Narrative Summary Released at Completion of Accident

DURING THE LANDING ROLL, THE PILOT APPLIED FULL BRAKES. THE PILOT THEN LOST DIRECTIONAL CONTROL AND THE AIRPLANE NOSED OVER ON ITS BACK. EXAMINATION OF THE BRAKE SYSTEM REVEALED A STRESS CRACK UNDER THE SLEEVE WHICH CAUSED A COMPLETE LOSS OF BRAKE FLUID WHEN THE BRAKES WERE APPLIED BY THE PILOT.

NTSB Probable Cause Narrative

A COMPLETE FAILURE OF THE BRAKE SYSTEM DUE TO A CRACK IN THE BRAKE LINES. CONTRIBUTING TO THE ACCIDENT WAS THAT THE BRAKES WERE NOT ADEQUATELY MAINTAINED BY COMPANY MAINTENANCE PERSONNEL.

Event Information

Type of Event Accident
Event Date 7/24/1991
Event Day of the Week Wednesday
Time of Event 1200
Event Time Zone --
Event City CUBE COVE
Event State ALASKA
Event Country --
Zipcode of the event site 99850
Event Date Year 1991
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport CUBE COVE
Event Location Nearest Airport ID CVW
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 600
Weather Briefing Completeness Unknown
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 2500
Lowest Non-Ceiling Height 2500
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) 20
Air Temperature at event time (in degrees celsius) 16
Dew Point at event time (in degress fahrenheit) 3
Wind Direction (degrees magnetic) 360
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 0
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1436
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 44304
Date of most recent change to record Dec 12 2000 10:30AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8295Q
NTSB Number ANC91LA106
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed Company VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 206
Aircraft Series Identifier 206
Aircraft Serial Number U20603156
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 6
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Jul 17 1991 12:00AM
Airframe hours since last inspection 14
Airframe Hours 4716
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SILVER BAY LOGGING
Aircraft Owner Street Address CUBE COVE #2
Aircraft Owner City JUNEAU
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99850
Operator is an individual? --
Operator Name SILVER BAY LOGGING
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address CUBE COVE #2
Operator City JUNEAU
Operator State AK
Operator Country
Operator Zip code 99850
Operator Code
Owner has at least one certificate None
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) Business
Second Pilot on Board Unknown
Departure Point Same as Event No
Departure Airport Code
Departure City CORNER BAY
Departure State AK
Departure Country
Departure Time 1145
Departure Time Zone ADT
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Dec 12 2000 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 18
Runway Length 1600
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --