| Statuts: | Enquête Officielle |
| Date: | 04 AVR 1986 |
| Heure: | 19:22 CST |
| Type/Sous-type: | IAI 1124A Westwind II |
| Opérant pour: | Integerresources Inc. & Drayton Ass. |
| Loué à : | Drayton Associates |
| Immatriculation: | N50SK |
| Numéro de série: | 309 |
| Année de Fabrication: | |
| Heures de vol: | 2745 |
| Moteurs: | 2 Garrett TFE731-3-1G |
| Equipage: | victimes: 2 / à bord: 2 |
| Passagers: | victimes: 5 / à bord: 5 |
| Total: | victimes: 7 / à bord: 7 |
| Dégats de l'appareil: | Détruit |
| Conséquences: | Written off (damaged beyond repair) |
| Lieu de l'accident: | Redwater, TX (Etats-Unis d'Amérique)
 |
| Phase de vol: | En vol (ENR) |
| Nature: | Affaires |
| Aéroport de départ: | Dallas-Redbird Airport, TX (RBD), Etats-Unis d'Amérique |
| Aéroport de destination: | Teterboro Airport, NJ (TEB/KTEB), Etats-Unis d'Amérique |
Détails:Westwind N50SK departed Dallas-Redbird Airport at 18:56 CST under an IFR flightplan bound for Teterboro.
Upset at FL370 as a result of clear air turbulence associated with a VIP level 6 thunderstorm; entered an uncontrolled descent through the cell. Left main landing gear door broke off due to overstress striking the left horizontal stabilizer which separated.
PROBABLE CAUSE:
flight/nav instruments,weather radar system..failure,partial
weather condition..thunderstorm
weather condition..turbulence,clear air
weather condition..gusts
weather condition..downdraft
preflight briefing service..improper..atc personnel(fss)
hazardous weather advisory..not issued..atc personnel(fss)
in-flight weather advisories..not issued..atc personnel(fss)
information unclear..atc personnel(fss)
CONTRIBUTING FACTORS:
operation with known deficiencies in equipment..continued..pilot in command
light condition..dark night
excessive workload (task overload)..pilot in command
excessive workload (task overload)..copilot/second pilot
Sources:
» NTSB
Opérations de secours
NTSB issued 4 Safety Recommendations
| Issued: 16-FEB-1988 | To: FAA | A-88-020 |
| AMEND CHAPTER 2, SECTION 6, PARAGRAPH 2-101, OF THE AIR TRAFFIC CONTROL HANDBOOK, 7110.65E, TO REQUIRE AIR TRAFFIC CONTROLLERS TO FREQUENTLY BROADCAST THE SIGNIFICANT HAZARDOUS WEATHER REPORTS THAT ARE IN EFFECT. (Closed - Unacceptable Action) |
| Issued: 16-FEB-1988 | To: FAA | A-88-021 |
| AMEND CHAPTER 4, SECTION 7, PARAGRAPH 343, SUBPARAGRAPH (1)(H) OF THE AIRMAN\'S INFORMATION MANUAL TO INCLUDE AIRBORNE WEATHER RADAR AS AN ITEM OF EQUIPMENT WHOSE COMPLETE OR PARTIAL LOSS OF CAPABILITY SHOULD BE REPORTED TO AIR TRAFFIC CONTROL. (Closed - Acceptable Action) |
| Issued: 16-FEB-1988 | To: FAA | A-88-022 |
| AMEND CHAPTER 2, PARAGRAPH 2-7 OF THE AIR TRAFFIC CONTROL HANDBOOK, 7110.65E, TO INCLUDE AIRBORNE WEATHER RADAR EQUIPMENT AS AN IN-FLIGHT EQUIPMENT LOSS OR MALFUNCTION COVERED BY THIS PARAGRAPH. (Closed - Acceptable Action) |
| Issued: 16-FEB-1988 | To: FAA | A-88-023 |
| EXPEDITE THE IMPLEMENTATION OF THE HAZARDOUS IN-FLIGHT WEATHER ADVISORY SERVICE PROGRAM IN ALL AIR ROUTE TRAFFIC CONTROL CENTERS WITHIN THE CONTERMINOUS UNITED STATES, PRIOR TO THE SUMMER CONVECTIVE WEATHER SEASON OF 1988. (Closed - Acceptable Alternate Action) |
Show all AD's and Safety Recommendations
Photos
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 Dallas-Redbird Airport, TX et Teterboro Airport, NJ est de 2202 km (1376 miles).
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 tels qui sont connus à ce jour.