Vliegtuigongeval op 03 DEC 1990 met Douglas DC-9-14 N3313L - Detroit-Metropolitan Wayne County Airport, MI (DTW)
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Status:Accident investigation report completed and information captured
Datum:maandag 3 december 1990
Tijd:13:45
Type:Silhouette image of generic DC91 model; specific model in this crash may look slightly different
Douglas DC-9-14
Luchtvaartmaatschappij:Northwest Airlines
Registratie: N3313L
Constructienummer: 45708/77
Bouwjaar: 1966
Aantal vlieguren:62253
Motoren: 2 Pratt & Whitney JT8D-7B
Bemanning:slachtoffers: 1 / inzittenden: 4
Passagiers:slachtoffers: 7 / inzittenden: 40
Totaal:slachtoffers: 8 / inzittenden: 44
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:Detroit-Metropolitan Wayne County Airport, MI (DTW) (   Verenigde Staten)
Fase: Taxi (TXI)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Detroit-Metropolitan Wayne County Airport, MI (DTW/KDTW), Verenigde Staten
Vliegveld van aankomst:Pittsburgh International Airport, PA (PIT/KPIT), Verenigde Staten
Vluchtnummer:NW1482
Beschrijving:
Northwest Airlines Flight 1482, a DC-9 bound for Pittsburgh received clearance to taxi from Gate C18 to runway 03C via taxiway Oscar 6, Foxtrot and Xray, at 13:35. In dense fog (about 1/4 mile visibility) the crew missed the Oscar 6 taxiway and entered the Outer taxiway. Ground control then instructed them to head for Oscar 4 and make a right turn onto Xray. At the Oscar 4 intersection NW1482 turned right, but entered the active runway 03C instead of taxiway Xray.
Suddenly both pilots found out they had taxied the wrong way, and contacted ground control. When ground control found out that NW1482 was on the active runway, the crew were told to leave that runway immediately. About 5 seconds later the DC-9 crew saw a Boeing 727 coming right at them.
The Boeing 727 (Northwest Fight 299 to Memphis) had just received takeoff clearance and was traveling at a speed of over 100 knots when the collision took place.
The 727's right wingtip was sheared off when striking the right-hand side of the DC-9. The remainder of the wing cut through the fuselage just below the bottom of the windows and cut off the no. 2 engine. A fire erupted in the DC-9 which caused the fuselage to burn out from just aft of the cockpit to just forward of the aft bulkhead. The Boeing 727 didn't catch fire but just sustained damage to the left wing .

Probable Cause:

PROBABLE CAUSE:"A lack of proper crew coordination, including a virtual reversal of roles by the DC-9 pilots, which led to their failure to stop taxiing their airplane and alert the ground controller of their positional uncertainty in a timely manner before and after intruding onto the active runway.
Contributing to the cause of the accident were (1) deficiencies in the air traffic control services provided by the Detroit tower, including failure of the ground controller to take timely action to alert the local controller to the possible runway incursion, inadequate visibility observations, failure to use progressive taxi instructions in low-visibility conditions, and issuance of inappropriate and confusing taxi instructions compounded by inadequate backup supervision for the level of experience of the staff on duty; (2) deficiencies in the surface markings, signage, and lighting at the airport and the failure of Federal Aviation Administration surveillance to detect or correct any of these deficiencies; and (3) failure of Northwest Airlines, Inc., to provide adequate cockpit resource management training to their line aircrews.
Contributing to the fatalities in the accident was the inoperability of the DC-9 internal tail cone release mechanism. Contributing to the number and severity of injuries was the failure of the crew of the DC-9 to properly execute the passenger evacuation." (NTSB)

Accident investigation:

cover
Investigating agency: NTSB
Status: Investigation completed
Duration: 204 days (7 months)
Accident number: NTSB/AAR-91-05
Download report: Final report

Bronnen:
» ICAO Adrep 3/94 (#88)
» NTSB/AAR-91/05


Foto's

photo of Douglas-DC-9-14-N3313L
accident date: 03-12-1990
type: Douglas DC-9-14
registration: N3313L
photo of DC-9-14-N3313L
accident date: 03-12-1990
type: McDonnell Douglas DC-9-14
registration: N3313L
 

Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Detroit-Metropolitan Wayne County Airport, MI en Pittsburgh International Airport, PA bedraagt 321 km (201 miles).
Accident location: Exact; deduced from official accident report.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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