Détails:
Learjet N182K departed Norfolk (ORF) at 12:39, carrying five passengers. The airplane landed at Atlantic City (ACY) at 13:13 where two passengers deplaned. At 13:47 the jet continued on to Groton (GON). The crew briefed the runway 05 ILS approach, including the missed approach procedures. Weather at the time included a 100-foot broken cloud layer, and at the airport, 2 miles visibility. The approach was flown over water, and at the accident location, there was dense fog. Two smaller airplanes had successfully completed the approach prior to the accident airplane. The captain flew the approach and the first officer made 100-foot callouts during the final descent, until 200 feet above the decision height. At that point, the captain asked the first officer if he saw anything. The first officer reported "ground contact," then noted "decision height." The captain immediately reported "I got the lights" which the first officer confirmed. The captain reduced the power to flight idle. Approximately 4 seconds later, the captain attempted to increase power. However, the engines did not have time to respond before the airplane descended into the water and impacted a series of approach light stanchions, commencing about 2,000 feet from the runway. Neither crew member continued to call out altitudes after seeing the approach lights, and the captain descended the airplane below the decision height before having the requisite descent criteria. The absence of ground references could have been conducive to a featureless terrain illusion in which the captain would have believed that the airplane was at a higher altitude than it actually was.
Weather just before the time of the accident (13:56) was:
KGON 021756Z 19007KT 2SM BR BKN006 20/18 A2986 RMK AO2 SLP109 T02000183 10211 20178 58004= [wind 190 degrees at 7 kts, visibility 2 miles, mist 5-7 oktas cloud at 600ft, temperature 20C, dewpoint 18C, QNH 29.86in]
PROBABLE CAUSE: "The crew's failure to properlymonitor the airplane's altitude, which resulted in the captain's inadvertent descent of the airplane into water. Contributing to the accident were the foggy weather conditions, and the captain's decision to descend below the decision height without sufficient visual cues."
» NTSB
| Statuts: | Accident investigation report completed and information captured |
| Date: | vendredi 2 juin 2006 |
| Heure: | 14:40 |
| Type/Sous-type: |  Learjet 35A |
| Opérant pour: | International Jet Charter |
| Loué à : | Robertson Asset Management |
| Immatriculation: | N182K |
| Numéro de série: | 35A-293 |
| Année de Fabrication: | 1980 |
| Heures de vol: | 11704 |
| Moteurs: | 2 Garrett TFE731-2-2B |
| Equipage: | victimes: 2 / à bord: 2 |
| Passagers: | victimes: 0 / à bord: 3 |
| Total: | victimes: 2 / à bord: 5 |
| Dégats de l'appareil: | Perte Totale |
| Conséquences: | Written off (damaged beyond repair) |
| Lieu de l'accident: | de New London-Groton Airport, CT (GON) ( Etats-Unis d'Amérique)
|
| Phase de vol: | En approche (APR) |
| Nature: | Charter National |
| Aéroport de départ: | Atlantic City International Airport, NJ (ACY/KACY), Etats-Unis d'Amérique |
| New London-Groton Airport, CT (GON/KGON), Etats-Unis d'Amérique |
Learjet N182K departed Norfolk (ORF) at 12:39, carrying five passengers. The airplane landed at Atlantic City (ACY) at 13:13 where two passengers deplaned. At 13:47 the jet continued on to Groton (GON). The crew briefed the runway 05 ILS approach, including the missed approach procedures. Weather at the time included a 100-foot broken cloud layer, and at the airport, 2 miles visibility. The approach was flown over water, and at the accident location, there was dense fog. Two smaller airplanes had successfully completed the approach prior to the accident airplane. The captain flew the approach and the first officer made 100-foot callouts during the final descent, until 200 feet above the decision height. At that point, the captain asked the first officer if he saw anything. The first officer reported "ground contact," then noted "decision height." The captain immediately reported "I got the lights" which the first officer confirmed. The captain reduced the power to flight idle. Approximately 4 seconds later, the captain attempted to increase power. However, the engines did not have time to respond before the airplane descended into the water and impacted a series of approach light stanchions, commencing about 2,000 feet from the runway. Neither crew member continued to call out altitudes after seeing the approach lights, and the captain descended the airplane below the decision height before having the requisite descent criteria. The absence of ground references could have been conducive to a featureless terrain illusion in which the captain would have believed that the airplane was at a higher altitude than it actually was.
Weather just before the time of the accident (13:56) was:
KGON 021756Z 19007KT 2SM BR BKN006 20/18 A2986 RMK AO2 SLP109 T02000183 10211 20178 58004= [wind 190 degrees at 7 kts, visibility 2 miles, mist 5-7 oktas cloud at 600ft, temperature 20C, dewpoint 18C, QNH 29.86in]
Probable Cause:
PROBABLE CAUSE: "The crew's failure to properlymonitor the airplane's altitude, which resulted in the captain's inadvertent descent of the airplane into water. Contributing to the accident were the foggy weather conditions, and the captain's decision to descend below the decision height without sufficient visual cues."
Accident investigation:
 |
|
Sources:
» 2 Killed, 3 Hurt In Learjet Crash (The Hartford Courant, 2-6-2006)» NTSB
Photos
Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Atlantic City International Airport, NJ et New London-Groton Airport, CT est de 297 km (186 miles).
Accident location: Approximate; accuracy within a few kilometers.
La distance entre Atlantic City International Airport, NJ et New London-Groton Airport, CT est de 297 km (186 miles).
Accident location: Approximate; accuracy within a few kilometers.
Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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