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Accidents · NTSB FTW91LA062 · Final report

Cessna A188B accident near Tipton, Oklahoma, April 6, 1991

On April 6, 1991, a Cessna A188B, registered N4165J, was substantially damaged in an accident near Tipton, 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

FAILURE OF THE PILOT TO MAINTAIN POROPER CLEARANCE ABOVE OBSTACLES. A FACTOR WAS THE SUN GLARE.

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

What the record shows

Date
April 6, 1991
Place
Tipton, Oklahoma · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Cessna A188B · all A188Bs on the register
Registration
N4165J · no longer on the register · serial 18803723T
Damage
Substantial damage
Flight
Aerial application (crop spraying) flight · agricultural flying rules (Part 137)

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

AS THE PILOT BEGAN A WESTERLY SWATH RUN INTO THE SUN, THE AIRPLANE COLLIDED WITH A TREE AND POWER LINE POLE. A SEVEN FOOT SECTION OF THE RIGHT WING SEPARATED AND CONTROL WAS LOST. THE AIRPLANE SLID TO REST IN A FIELD ABOUT 180 YARDS FROM IMPACT. A SMALL ELECTRIAL FIRE WAS EXTINGUISHED BY THE PILOT.

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: airline transport pilot
  • Ratings: multi-engine land; single-engine land; instrument: airplane
  • Flight time: 7,300 hours in all; 5,245 in this make and model; 30 in the last 90 days; 17 in the last 30 days
  • Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
  • Seat: unk

The aircraft

  • Last inspection: inspection type not recorded; 0 hours since
  • Maximum gross weight: 4,000 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: Continental IO-520-D (piston); 0 hours total
  • Fire on the ground

The flight

  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: dusk
  • Visibility: 20 statute miles
  • Sky: clear
  • Temperature: 72°F (22°C), dew point 19°F (-7°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.