The U.S. aircraft register, updated daily
Accidents · NTSB LAX86LA052 · Preliminary: the investigation is not finished

Piper PA-20 accident near Calexico, California, December 1, 1985

On December 1, 1985 at about 4:30 pm local time, a Piper PA-20, registered N7728K, was substantially damaged in an accident near Calexico, California (Calexico Int'L airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 3 people were 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
December 1, 1985 · about 4:30 pm local time
Place
Calexico, California · Calexico Int'L · map
Type
Accident
Injuries
No one was hurt; 3 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Piper PA-20 · all PA-20s on the register
Registration
N7728K · registry record · serial 20-550
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE ACFT GROUND LOOPED DURING A LANDING ON RWY 08 AT CALEXICO ARPT. THE PLT REPORTED THAT UPON TOUCHDOWN THE ACFT BEGAN TO SWERVE TO THE RIGHT. THE PLT APPLIED LEFT RUDDER TO ARREST THE RIGHT SWERVE. THE ACFT THEN BEGAN A SWERVE TO THE LEFT AND THE PLT WAS UNABLE TO ARREST THE TURN. THE ACFT GROUND LOOPED AND THE RIGHT MAIN LANDING GEAR COLLAPSED.

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; rotorcraft: glider
  • Flight time: 1,333 hours in all; 157 in this make and model; 30 in the last 90 days; 1,315 as pilot in command
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 2,200 hours
  • Last inspection: annual inspection, January 1, 1985; 50 hours since
  • Maximum gross weight: 1,800 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming O-320 (piston); 0 hours total

The flight

  • Departed from: YUM Yuma AZ at 4:00 pm
  • Flight plan: none
  • Runway 8, 5,000 ft by 75 ft

Weather at the time

  • Light: daylight
  • Wind: from 360° at 5 knots
  • Visibility: 20 statute miles
  • Sky: scat at 2,500 ft
  • Temperature: 64°F (18°C), dew point 0°F (-18°C)
  • Altimeter: 30.00 inHg

Injuries

FatalSeriousMinorNone
Crew1
Passengers2

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.