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Accidents · NTSB MKC84FA254 · Preliminary: the investigation is not finished

Cessna A188B accident near Algona, Iowa, August 17, 1984

On August 17, 1984 at about 12:00 pm local time, a Cessna A188B, registered N9387G, was destroyed in an accident near Algona, Iowa. It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). 1 person was killed. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.

Source: NTSB aviation accident database, copy made October 4, 2026. Docket and reports at the NTSB.

What the record shows

Date
August 17, 1984 · about 12:00 pm local time
Place
Algona, Iowa · map
Type
Accident
Injuries
1 person was killed.
Weather
visual conditions (good weather)
Aircraft
Cessna A188B · all A188Bs on the register
Registration
N9387G · registry record · serial 18801469T
Damage
Destroyed
Flight
Aerial application (crop spraying) flight · agricultural flying rules (Part 137)

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

N9387G WAS FLYING AT AN ALTITUDE OF APRX 75 FEET AGL WHEN IT STRUCK POWER LINES WHILE MANEUVERING TO SPRAY A CORN FIELD. THE REPORTED WEATHER NEAR THE ACCIDENT SITE WAS: VISIBILITY 7 MILES, TEMPERATURE 73 DEGREES, LIGHT PRECIPITATION IN THE WAY OF RAIN WAS PRESENT AND FOG RESTRICTED VISIBILITY.

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: single-engine land; instructor: airplane single-engine; instrument: airplane; rotorcraft: glider
  • Flight time: 7,414 hours in all; 530 in this make and model; 7,400 as pilot in command; 613 on instruments
  • Medical certificate: Class 1 (valid medical--no waivers/lim.)
  • Seat: ctr

The aircraft

  • Airframe total time: 2,428 hours
  • Last inspection: annual inspection, April 9, 1984
  • Maximum gross weight: 3,300 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: Continental IO-520-D(23) (piston); 0 hours total

The flight

  • Departed from: AXA Algona IA at 11:55 am
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 320° at 6 knots
  • Visibility: 7 statute miles
  • Sky: overcast at 4,000 ft; not recorded at 4,000 ft
  • Temperature: 73°F (23°C), dew point 72°F (22°C)
  • Altimeter: 30.00 inHg
  • Observation at 12:00 pm from MCW, 40 miles away

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.

About this page

Everything above comes from the NTSB's public accident database: the narrative, probable cause and findings are the NTSB's own words, and the coded tables behind its report (pilot, aircraft, flight, weather, injuries, sequence of events) are written out in plain English. Pilots' ages, home towns and medical details are left out on purpose. The documents and photographs are the NTSB's docket, the folder of records gathered during the investigation, shown as the NTSB released them (the NTSB redacts some personal details first) and listed under the NTSB's own titles. This site's own text never names pilots, passengers or anyone else involved. A preliminary report describes what is known soon after the event and can change; the final report, with the probable cause, usually follows one to two years later and this page is refreshed when it does. Case number MKC84FA254.