Aircraft Accident/Incident Report

Memphis, Tennessee 38116
Monday, August 13, 1984 15:40 CDT

NTSB Narrative Summary Released at Completion of Accident

DURING LEVEL OFF AT 16,000 FT WITH A SEA LEVEL CABIN PRESSURE (6 PSI DIFFERENTIAL PRESSURE), THE CREW HEARD A 'POP', THEN THE COPLT'S WINDOW BLEW OUT. DEBRIS, INCLUDING THE GLARESHIELD, EXITED THE COCKPIT & INJURED THE COPILOT. THE WINDOW WAS A SINGLE THICKNESS ACRYLIC, MANUFACTURED BY PPG (PN 26-2L 383-006). THE WINDOW WAS IN SERVICE 12,158 HRS SINCE NEW IN 1979. FATIGUE ORIGINATED NEAR THE LOWER REAR CORNER UNDER THE EDGE OF THE WINDOW RETAINER STRIP. CAUSE OF THE FATIGUE WAS NOT DETERMINED. WHITE PAINT & SEALANT MATERIAL WERE AT THE FATIGUE ORIGIN. A SCRIBE LINE WAS IN CLOSE PROXIMITY TO THE ORIGIN.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 8/13/1984
Event Day of the Week Monday
Time of Event 1540
Event Time Zone Central Daylight Time
Event City MEMPHIS
Event State TENNESSEE
Event Country --
Zipcode of the event site 38116
Event Date Year 1984
Event Date Month 8
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 --
Degrees magnetic from airport --
Airport Elevation 332
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1552 Central Daylight Time
Direction of event from weather observation facility (degrees) 90
Weather Observation Facility ID MEM
Elevation of weather observation facility 332
Distance of event from weather observation facility (units?) 50
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 25000
Lowest Non-Ceiling Height 3500
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 6
Air Temperature at event time (in degrees celsius) 32
Dew Point at event time (in degress fahrenheit) 21
Wind Direction (degrees magnetic) 10
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None 13
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 5091
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 26927
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 Registration Number N501SS
NTSB Number ATL84IA255
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Minor
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name SWEARINGEN
Aircraft Model SA226TC
Aircraft Series Identifier SA226TC
Aircraft Serial Number TC-302
Certified Max Gross Weight 12500
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 21
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection Aug 10 1984 12:00AM
Airframe hours since last inspection 4
Airframe Hours 12158
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SCHEDULED SKYWAYS, INC.
Aircraft Owner Street Address P.O. BOX 1344
Aircraft Owner City FAYETTEVILLE
Aircraft Owner State AR
Aircraft Owner Country
Aircraft Owner Zipcode 72701
Operator is an individual? --
Operator Name SCHEDULED SKYWAYS, INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code SKIA
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 Yes
Departure Point Same as Event No
Departure Airport Code MEM
Departure City MEMPHIS
Departure State TN
Departure Country
Departure Time 1515
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code FSM
Destination City FT. SMITH
Destination State AR
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
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 --