Cessna 402C accident near Boise, Idaho, December 3, 1984
On December 3, 1984 at about 7:10 pm local time, a Cessna 402C, registered N402NQ, was substantially damaged in an accident near Boise, Idaho. It was a flight of an unrecorded kind under charter and air-taxi rules (Part 135). 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
- December 3, 1984 · about 7:10 pm local time
- Place
- Boise, Idaho · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 402C · all 402Cs on the register
- Registration
- N402NQ · no longer on the register · serial 402C0093
- Damage
- Substantial damage
- Flight
- Flight of an unrecorded kind · charter and air-taxi rules (Part 135)
The NTSB's narrative final · quoted from the NTSB record
DESCENT WAS MADE TO APRX 50 FT AGL TO OBSERVE A HERD OF CATTLE. ACFT CONTACTED POWER LINES CUTTING OFF THE LEFT WING TIP. FLT CONTINUED AND LANDING WAS MADE AT BOISE AIR TERMINAL WITHOUT INCIDENT. PLT STATED HE DID NOT SEE WIRES.
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; single-engine land; instrument: airplane
- Flight time: 3,406 hours in all; 100 in this make and model; 150 in the last 90 days; 3,266 as pilot in command
- Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Last inspection: inspection type not recorded
- Maximum gross weight: 6,850 lb
- Seats: 10
- Landing gear: retractable
- Engine: Continental TSIO-520-VB (piston); 0 hours total
The flight
- Departed from: TWF Twin Falls ID at 6:15 pm
- Destination: BOI Boise ID
- Flight plan: VFR
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 150° at 3 knots
- Visibility: 30 statute miles
- Temperature: 27°F (-3°C), dew point 12°F (-11°C)
- Altimeter: 30.00 inHg
- Observation at 7:52 pm from BOI, 112 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 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.