The U.S. aircraft register, updated daily
Accidents · NTSB CHI84LA408 · Preliminary: the investigation is not finished

Piper PA-23-150 accident near Defiance, Ohio, September 30, 1984

On September 30, 1984 at about 9:49 pm local time, a Piper PA-23-150, registered N1424P, was substantially damaged in an accident near Defiance, Ohio. It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 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
September 30, 1984 · about 9:49 pm local time
Place
Defiance, Ohio · map
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Piper PA-23-150 · all PA-23-150s on the register
Registration
N1424P · registry record · serial 23-480
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

DURING INITIAL TAKEOFF CLIMB AT ALT OF 300 FT AGL, 9 1/4 INCHES OF RT ENGINE PROP BLADE SEPARATED. FORCED LANDING WAS MAKE IN FIELD DURING WHICH TIME THE RT WING CONTACTED A TREE. METALLURGICAL EXAMINATION REVEALED PROGRESSIVE FATIGUE OVER 75% OF THE FRACTURED SURFACE ORIGINATING FROM TWO SMALL SHALLOW PITS ON THE CAMBERED SUFACE LEADING EDGE OF THE BLADE.

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: multi-engine land; single-engine land; instrument: airplane
  • Flight time: 25,785 hours in all; 125 in this make and model; 209 in the last 90 days
  • Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 4,405 hours
  • Last inspection: 100-hour inspection, September 8, 1984; 28 hours since
  • Maximum gross weight: 3,800 lb
  • Seats: 5
  • Landing gear: retractable
  • Engine: Lycoming O-320-A1A (piston); 0 hours total

The flight

  • Departed from: DFI Defiance OH
  • Destination: OH02 Mcclure OH
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 070° at 10 knots
  • Visibility: 15 statute miles
  • Sky: broken clouds at 7,000 ft; not recorded at 7,000 ft
  • Temperature: 54°F (12°C), dew point 39°F (4°C)
  • Altimeter: 30.00 inHg
  • Observation at 9:52 pm from TOL, 31 miles away

Injuries

FatalSeriousMinorNone
Crew1
Passengers1

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.