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Accidents · NTSB FTW93LA148 · Final report

Rockwell S-2R accident near Lookeba, Oklahoma, May 4, 1993

On May 4, 1993 at about 2:00 pm local time, a Rockwell S-2R, registered N424OX, was substantially damaged in an accident near Lookeba, Oklahoma. It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE LOSS OF ENGINE POWER FOR UNDETERMINED REASONS. FACTORS WERE THE SMOKE IN THE COCKPIT AND LOSS OF OUTSIDE VISUAL REFERENCE.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
May 4, 1993 · about 2:00 pm local time
Place
Lookeba, Oklahoma · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Rockwell S-2R
Registration
N424OX · no longer on the register · serial 2014R
Damage
Substantial damage
Flight
Aerial application (crop spraying) flight · agricultural flying rules (Part 137)

The NTSB's narrative final · quoted from the NTSB record

DURING SPRAYING OPERATIONS THE PILOT EXPERIENCED A POWER LOSS AND THE COCKPIT FILLED WITH SMOKE. AFTER THE LOSS OF OUTSIDE REFERENCES AND ENGINE POWER THE AIRPLANE DESCENDED UNCONTROLLABLY AND STRUCK A TELEPHONE POLE, FOLLOWED BY FURTHER DESCENT TO GROUND IMPACT. THE SMOKE SOURCE AND REASON FOR THE LOSS OF ENGINE POWER WAS UNDETERMINED.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

Pilot

  • Certificate: flight instructor, commercial pilot
  • Ratings: multi-engine land; single-engine land; instructor: airplane single-engine; instrument: airplane
  • Flight time: 17,000 hours in all; 5,000 in this make and model; 100 in the last 90 days; 50 in the last 30 days; 16,720 as pilot in command; 20 on instruments
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: ctr

The aircraft

  • Airframe total time: 8,165 hours
  • Last inspection: annual inspection, June 15, 1992; 108 hours since
  • Maximum gross weight: 7,000 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: P&W R-1340 (piston); 0 hours total

The flight

  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 180° at 5 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 64°F (18°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.