Aircraft Accident/Incident Report

Salt Lake City, Utah 84110
Thursday, February 9, 1989 1:00 MST

NTSB Narrative Summary Released at Completion of Accident

AS 1ST OFFICER (FO) WAS FLYING ACFT, DRG CLB AFTER TKOF, CABIN WOULDN'T PRESSURIZE. HE BGN LVL OFF AT 16,000', BUT CAPT ORDERED HIM TO CONT CLBG TO ASSIGNED FLT LVL (FL 330), WHILE HE (THE CAPT) WENT AFT TO FND PRBLM. FO DISLIKED THE ORDER,BUT COMPLIED RATHER THAN CONFRONT CAPT. CAPT LEFT COCKPIT WITH PORTABLE 'ON DEMAND' OXYGEN (O2) SYS, WHICH HAD 15 MIN SUPPLY OF O2. WHEN CAPT DIDN'T RTRN, FO TRIED SIGNALING HIM. THO RELUCTANT TO COUNTERMAND CAPT'S ORDER, FO MADE SERIES OF DSCNTS TO 13,000'. AFTER ABT 30 MIN, HE LEFT COCKPIT & FND CAPT UNCONSCIOUS & UNRESPONSIVE IN FWD CARGO AREA WITH O2 MASK ON HIS FACE. CAPT'S FOOT WAS ENTANGLED IN CARGO NET WHICH CVRD A PALLET. FO TRIED TO REVIVE CAPT, TO NO AVAIL, THENDECLARED EMERG & LNDD AT LUBBOCK. CAPT WAS RUSHED TO HOSPITAL, BUT WAS DEAD ON ARRIVAL. EXAM REVEALED AFT PRESSURE BULK-HEAD WAS NOT INSTALLED. IT HAD BEEN REMOVED FOR MAINT BFR FLT. PORTABLE O2 SYS WAS STILL FULL, INDCG CAPT HAD LITTLE OR NO USE OF O2; IT WAS TESTED & FUNCTIONED NMLY. GROUP OF 8 FORENSIC PATHOLOGISTS CONCLUDED CAPT DIED FM HYPOXIC HYPOXIA.

NTSB Probable Cause Narrative

IMPROPER IN-FLIGHT PLANNING/DECISION BY THE CAPTAIN (PILOT-IN-COMMAND) AND HIS IMPROPER USE OF THE PORTABLE OXYGEN SYSTEM, WHICH RESULTED IN HIS INCAPACITATION DUE TO HYPOXIA. FACTORS RELATED TO THE ACCIDENT WERE: INADEQUATE MAINTENANCE/INSPECTION OF THE AIRCRAFT BY COMPANY MAINTENANCE BY FAILING TO REINSTALL THE AFT PRESSURE BULKHEAD HATCH (INSPECTION DOOR) AND POOR CREW COORDINATION.

Event Information

Type of Event Accident
Event Date 2/9/1989
Event Day of the Week Thursday
Time of Event 100
Event Time Zone Mountain Standard Time
Event City SALT LAKE CITY
Event State UTAH
Event Country --
Zipcode of the event site 84110
Event Date Year 1989
Event Date Month 2
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 Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) -7
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 120
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 Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 944
NTSB Notification Source --
NTSB Notification Date Feb 9 1989 12:00AM
NTSB Notification Time 500
Fiche Number and/or location -used to find docket information 39057
Date of most recent change to record Dec 13 2000 12:28PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N935F
NTSB Number FTW89MA047
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 121: Air Carrier
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage None
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name MCDONNELL DOUGLAS
Aircraft Model DC-9-32F
Aircraft Series Identifier DC-9-32F
Aircraft Serial Number 47220
Certified Max Gross Weight 108000
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 2
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection Jan 13 1989 12:00AM
Airframe hours since last inspection 117
Airframe Hours 37823
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name --
Aircraft Owner Street Address --
Aircraft Owner City MCMINNVILLE
Aircraft Owner State OR
Aircraft Owner Country --
Aircraft Owner Zipcode 97128
Operator is an individual? No
Operator Name --
Operator Same as Owner? Yes
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 EIAA
Owner has at least one certificate --
Other Operator of large aircraft? --
Certified for Part 133 or 137 Operation --
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Non-scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Cargo
Type of Flying (Per_Bus / Primary) --
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code KHIF
Departure City OGDEN
Departure State UT
Departure Country
Departure Time 50
Departure Time Zone MST
Destination Same as Local Flt --
Destination Airport Code KSKF
Destination City SAN ANTONIO
Destination State TX
Destination Country
Specific Phase of Flight Climb
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Feb 21 2008 4:13PM
User who most recently changed record NTSB\HAMG
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 --