Piper PA-28RT-201T accident near Humphrey, Idaho, March 15, 1984
On March 15, 1984 at about 10:30 pm local time, a Piper PA-28RT-201T, registered N29033, was destroyed in an accident near Humphrey, Idaho. It was a business flight under general aviation rules (Part 91). 1 person was killed and 1 person had minor injuries. The weather was instrument conditions (cloud, fog or low visibility).
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
- March 15, 1984 · about 10:30 pm local time
- Place
- Humphrey, Idaho · map
- Type
- Accident
- Injuries
- 1 person was killed and 1 person had minor injuries.
- Weather
- instrument conditions (cloud, fog or low visibility)
- Aircraft
- Piper PA-28RT-201T PA-28RT-20 · all PA-28RT-201Ts on the register
- Registration
- N29033 · no longer on the register · serial 28R7931190
- Damage
- Destroyed
- Flight
- Business flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
WHILE ON A X-COUNTRY FLT, THE ACFT ENTERED AN AREA OF RISING TERRAIN & BLOWING SNOW & THE PLT INITIATED A TURN TO REVERSE DIRECTION. DURING THE TURN, HE ENCOUNTERED REDUCED VISIBILITY & THE ACFT COLLIDED WITH THE TOP OF A KNOLL ON SNOW COVERED ROLLING TERRAIN. THE ACFT TRAVELED ABOUT 400 FT AFTER IMPACT, SHEDDING THE ENG & WINGS & CAME TO REST ON ITS RIGHT SIDE.
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: flight instructor, commercial pilot
- Ratings: multi-engine land; single-engine land; instructor: airplane single-engine; instrument: airplane
- Flight time: 885 hours in all; 516 in this make and model; 26 in the last 90 days; 731 as pilot in command
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 556 hours
- Last inspection: annual inspection, June 18, 1983; 156 hours since
- Maximum gross weight: 2,900 lb
- Seats: 4
- Landing gear: retractable
- Engine: Continental TSIO-360 (piston); 0 hours total
The flight
- Departed from: 4U9 Dill MT at 10:10 pm
- Destination: IDA Idaho Falls ID
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 260° at 15 knots, gusting 20
- Sky: overcast; not recorded
- Temperature: 25°F (-4°C), dew point 25°F (-4°C)
- Altimeter: 29.00 inHg
- Observation at 3:36 pm from MQM, 5 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 1 |
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.