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Datum:woensdag 21 mei 1997
Type:Silhouette image of generic E120 model; specific model in this crash may look slightly different
Embraer EMB-120RT Brasilia
Luchtvaartmaatschappij:SkyWest Airlines
Registratie: N198SW
Constructienummer: 120277
Bouwjaar: 1991
Aantal vlieguren:15646
Motoren: 2 Pratt & Whitney Canada PW118
Bemanning:slachtoffers: 0 / inzittenden: 3
Passagiers:slachtoffers: 0 / inzittenden: 14
Totaal:slachtoffers: 0 / inzittenden: 17
Schade: Groot
Gevolgen: Repaired
Plaats:San Diego International Airport, CA (SAN) (   Verenigde Staten)
Fase: Start (TOF)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:San Diego International Airport, CA (SAN/KSAN), Verenigde Staten
Vliegveld van aankomst:Los Angeles International Airport, CA (LAX/KLAX), Verenigde Staten
Skywest Flight 724, an Embraer EMB-120, N198SW, experienced a total loss of engine power to the right engine and associated engine fire, followed by a total loss of all airplane hydraulic systems, after takeoff from San Diego International-Lindbergh Field, California. The airplane sustained substantial damage. The 2 pilots, 1 flight attendant, and 14 passengers were not injured.
According to the pilots, about 2,000 feet mean sea level (msl) during the initial climb, a bang sound was heard; the airplane yawed right, and the right propeller auto feathered. Flames were observed by passengers and the cabin attendant emanating from the right engine. The crew performed the engine shutdown and fire check lists, and turned off the fuel within 1 minute of the mishap.
The cockpit crew extinguished the fire using both of the airplane's fire bottles. The cockpit crew then observed that hydraulic and rudder lights on the master alert panel were illuminated, along with the associated hydraulic lights on the overhead panel, which indicated loss of both hydraulic systems.
The crew diverted to Naval Air Station (NAS) Miramar, extended the landing gear manually, and accomplished a landing without flaps. The captain indicated that he landed within the first 2,000 feet of runway 24R. He was unable to use single engine reverse thrust to decelerate because of the loss of nose wheel steering. Additionally, the captain attempted to use the airplane's primary and emergency brakes; however, hydraulic pressure was also lost to these systems. The airplane overran the departure end of the runway and came to rest in the adjacent field.

Probable Cause:

PROBABLE CAUSE: "The failure of maintenance personnel to allow adequate time for the engine oil to drain back into the engine oil reservoir prior to adding additional oil, thereby overfilling the reservoir, which resulted in an engine fire and subsequent damage to hydraulic lines and components, including the brakes, which precluded stopping the airplane prior to overrunning the runway end. An additional factor was the confusing and insufficiently defined procedures for servicing the engine oil."

Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 4 years and 2 months
Accident number: LAX97FA189
Download report: Summary report
Language: English



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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 San Diego International Airport, CA en Los Angeles International Airport, CA bedraagt 175 km (109 miles).

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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