Ozark Air Lines Flight 982

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Ozark Air Lines Flight 982
Ozark Flight 982 Crash.jpg
Photograph of the crash site
Accident
DateDecember 27, 1968 (1968-12-27)
SummaryStalled due to ice and pilot error
Site Sioux Gateway Airport, Sioux City, Iowa
Aircraft
Aircraft type Douglas DC-9-15
Operator Ozark Air Lines
Registration N974Z
Flight origin Sioux Gateway Airport
Destination O'Hare International Airport
Occupants68
Passengers64
Crew4
Fatalities0
Injuries35
Survivors68
N974Z, the aircraft involved, while still operating with its previous operator, Air West DC-9AirWestTaxi68 (4426881223).jpg
N974Z, the aircraft involved, while still operating with its previous operator, Air West

Ozark Air Lines Flight 982 was a regularly scheduled flight on December 27, 1968, originating from Sioux Falls Regional Airport to O'Hare International Airport connecting through Sioux Gateway Airport that crashed shortly after takeoff. [1] The plane struck the ground about 500 feet beyond the end of the runway and came to a stop about 1200 ft from the end of the runway. [2] Thirty-five of the flight's 64 passengers and four crew members were taken to area hospitals, mostly for treatment of minor cuts and scratches. [3] [4] The flight was piloted by Capt. Patrick G. Sweeney, 48, of Wood River, IL. The copilot was John T. Schmeltz, 33, of St. Louis. [5]

Ozark Airlines began service in Sioux City on August 9, 1955. It was the first crash of a DC-9 jetliner for Ozark since the beginning of their use on July 8, 1966. According to the manager of Ozark's News Bureau in St. Louis, Charles R. Ehlert, it was the "first crash of any significance for the airline." [6] The US$3 million aircraft (equivalent to $26,300,000in 2023) was a total loss. [7]

According to the NTSB report: "At approximately 07:11 Local Time, the aircraft crashed a half-mile north of the airport in a wooded area. There were no fatalities. Among the 64 passengers and four crew members, 11 passengers were hospitalized with minor injuries and three crew members received serious injuries. The aircraft was destroyed in the crash. There was no fire. Flight 982 began its takeoff on Runway 35 with the flight crew aware that ice was present on the wings. The aircraft lifted off and the landing gear was selected to the up position by the first officer. The captain began turning off the landing and taxi lights. As the landing gear began to retract, the aircraft rolled abruptly and violently to the right to an angle of bank estimated by the flight crew to have reached 90°. The captain applied additional power and left rudder in an attempt to level the wings. When no immediate response was noted, he then applied left aileron. With the application of left aileron, the right wing came up; however, the roll continued to the left until the left wing contacted the runway. At this point, the captain discontinued the takeoff. He, approximately 110 feet beyond the departure threshold of Runway 35, succeeded in leveling the wings prior to final ground contact. The aircraft came to rest in a grove of trees approximately 1,181 feet beyond the departure end of Runway 35." [5]

According to the NTSB report, the probable cause was: "A stall near the upper limits of ground effect, with subsequent loss of control as a result of aerodynamic and weight penalties of airfoil icing. The flight crew failed to have the airfoil ice removed prior to the attempted takeoff from Sioux City. The board also finds that the crew selected an improper takeoff thrust for the existing gross weight condition of the aircraft." [5]

Anderson Construction Company took 12 hours to salvage and tow the 27.5-ton aircraft to the Air National Guard hangar for further examination by the NTSB. [7]

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References

  1. ↑ Hastings, Marvin; Gunsolley, Bob (December 27, 1968). "All Survive Jetliner Crash Here". Sioux City Journal . Sioux City, Iowa. pp. 1–2. Retrieved June 20, 2019– via Newspapers.com. - Clipping of first page (clip of first page image) and of second page (Clip of second page image) by Newspapers.com.
  2. ↑ "Pilots in Hospital After Plane Crash". St. Louis Post-Dispatch . St. Louis, Missouri. December 28, 1968. p. 7. Retrieved June 20, 2019– via Newspapers.com. - Clipping at Newspapers.com.
  3. ↑ "Snow Softens Crash of Jet Carrying 66". Chicago Tribune . Associated Press. December 28, 1968. p. 5. Retrieved June 20, 2019– via Newspapers.com. - Clipping at Newspapers.com.
  4. ↑ "Jet Crashes ; 12 In Hospital". The Des Moines Register . Des Moines, Iowa. Iowa News Service. December 28, 1968. Retrieved June 20, 2019– via Newspapers.com. - Clipping at Newspapers.com.
  5. 1 2 3 Aircraft Accident Report (PDF) (Report). National Transportation Safety Board. September 2, 1970. Archived (PDF) from the original on July 29, 2019.PD-icon.svg This article incorporates text from this source, which is in the public domain . - Copy at Embry-Riddle Aeronautical University.
  6. ↑ Gunsolley, Robert (December 28, 1968). "Probe Plane Crash Here". Sioux City Journal. pp. 1–2 – via Newspapers.com. - Clipping of first and of second page at Newspapers.com.
  7. 1 2 Selland, Dianne (January 9, 1969). "Herculean Task at Airport". Sioux City Journal. p. 1 – via Newspapers.com. - Clipping at Newspapers.com.
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