Accident
Last updated: 1 September 2014
Statuts:Enquête Officielle
Date:lundi 3 décembre 1990
Heure:13:45
Type/Sous-type:Silhouette image of generic DC91 model; specific model in this crash may look slightly different
Douglas DC-9-14
Compagnie:Northwest Airlines
Immatriculation: N3313L
Numéro de série: 45708/77
Année de Fabrication: 1966
Heures de vol:62253
Moteurs: 2 Pratt & Whitney JT8D-7B
Equipage:victimes: 1 / à bord: 4
Passagers:victimes: 7 / à bord: 40
Total:victimes: 8 / à bord: 44
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:Detroit-Metropolitan Wayne County Airport, MI (DTW) (   Etats-Unis d'Amérique) show on map
Phase de vol: Au roulage (TXI)
Nature:Transport de Passagers Nat.
Aéroport de départ:Detroit-Metropolitan Wayne County Airport, MI (DTW/KDTW), Etats-Unis d'Amérique
Aéroport de destination:Pittsburgh International Airport, PA (PIT/KPIT), Etats-Unis d'Amérique
Numéro de vol:1482
Détails:
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 1/4mile 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 take-off 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:"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)

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

Official accident investigation report
investigating agency: National Transport Safety Bureau (NTSB) - USA
report status: Final
report number: NTSB/AAR-91-05
report released:25-JUN-1991
duration of investigation:204 days (6.8 months)
download report: NW Airlines, Inc., Flights 1482 and 299 Runway Incursion and Collision Detroit Metropolitan/Wayne County Airport Romulus, Michigan, December 3, 1990. (NTSB/AAR-91-05)
cover

Photos

photo of Douglas DC-9-14 N3313L
photo of McDonnell Douglas DC-9-14 N3313L
Republic Airlines merged into Northwest Airlines October 1, 1986
Add your photo of this accident or aircraft
 

Plan
Ce plan montre l'aéroport de départ ainsi que la supposé destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Detroit-Metropolitan Wayne County Airport, MI et Pittsburgh International Airport, PA est de 321 km (201 miles).

languages: English Français Nederlands Deutsch Espanol

Share
Share

DC-9-10

  • 15ème loss
  • 147 built
  • le accident 8ème le plus grave (à ce moment là)
  • le accident 10ème le plus grave (en ce moment)
safety profile

 Etats-Unis d'Amérique
  • le accident 341ème le plus grave (à ce moment là)
  • le accident 390ème le plus grave (en ce moment)
»safety profile