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Accidents · NTSB CHI99LA114 · Final report

Piper PA-31-350 accident near Waterloo, Iowa, March 24, 1999

On March 24, 1999 at about 1:13 am local time, a Piper PA-31-350, registered N812TB, was substantially damaged in an accident near Waterloo, Iowa (Waterloo Municipal airport). It was a personal flight under general aviation rules (Part 91). 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 pilot's failure to maintain directional control.

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

What the record shows

Date
March 24, 1999 · about 1:13 am local time
Place
Waterloo, Iowa · Waterloo Municipal · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Piper PA-31-350 · all PA-31-350s on the register
Registration
N812TB · registry record · serial 31-8152113
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

The pilot said he was conducting touch and go landings. He said that on the second landing directional control was lost and the airplane exited the runway. He said that he did not know of any mechanical problems with the airplane. A postaccident examination failed to reveal any preaccident anomalies.

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; instrument: airplane
  • Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Last inspection: annual inspection, September 14, 1998; 24 hours since
  • Maximum gross weight: 7,000 lb
  • Seats: 8
  • Landing gear: retractable
  • Engine: Lycoming TIO-540-J2BD (piston); 0 hours total

The flight

  • Departed from: ALO
  • Flight plan: none
  • Runway 30, 8,400 ft by 150 ft

Weather at the time

  • Light: night, dark
  • Wind: from 300° at 6 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 46°F (8°C), dew point 28°F (-2°C)
  • Altimeter: 29.00 inHg
  • Observation at 1:25 am from ALO

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.