The U.S. aircraft register, updated daily
Accidents · NTSB DEN82FTK04 · Preliminary: the investigation is not finished

Callair A-9B accident near Sioux Falls, South Dakota, May 27, 1982

On May 27, 1982 at about 1:10 pm local time, a Callair A-9B, registered N7769V, was substantially damaged in an accident near Sioux Falls, South Dakota. 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 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 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
May 27, 1982 · about 1:10 pm local time
Place
Sioux Falls, South Dakota · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Callair A-9B · all A-9Bs on the register
Registration
N7769V · no longer on the register · serial 1526
Damage
Substantial damage
Flight
Aerial application (crop spraying) flight · agricultural flying rules (Part 137)

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

THE ENG QUIT & THE PLT LANDED IN AN ADJACENT FIELD AFTER FIRST HITTING A WOODED FENCE. AN INSPECTIN OF THE BENDIX FUEL SERVO UNIT, MODEL PSA-10ED-1, REVEALED THAT THE FUEL DIAPHRAGM STEM, PN 2539806, HAD FAILED.

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: commercial pilot
  • Ratings: single-engine land
  • Flight time: 8,800 hours in all; 3,800 in this make and model; 25 in the last 90 days
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: unk

The aircraft

  • Last inspection: inspection type not recorded; 6 hours since
  • Maximum gross weight: 3,000 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: Lycoming IO-540 (piston); 0 hours total

The flight

  • Departed from: Tea SD at 8:00 am
  • Destination: Tea SD
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Visibility: 20 statute miles
  • Sky: not recorded; clear
  • Temperature: 158°F (70°C), dew point 0°F (-18°C)
  • Altimeter: 29.00 inHg

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.