Beech A36TC accident near Cascade, Idaho, August 14, 1987
On August 14, 1987 at about 2:15 am local time, a Beech A36TC, registered N1834M, was substantially damaged in an accident near Cascade, Idaho (Cascade Muni airport). 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 November 2, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- August 14, 1987 · about 2:15 am local time · cases in 1987
- Place
- Cascade, Idaho · Cascade Muni · cases near this airport · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Beech A36TC · all A36TCs on the register
- Registration
- N1834M · no longer on the register · serial 1834M
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PLT ELECTED TO DIVERT DUE TO HVY RAIN AT HIS DESTN. WHILE LNDG AT AN ALTERNATE ARPT AT NGT, HYDROPLANING OCCURRED & BRAKING WAS NOT EFFECTIVE. DRG A GO-AROUND, THE ACFT ROLLED ONTO THE OVERRUN & LIFTED OFF, BUT THE ACFT'S MAIN GEAR STRUCK A ROCK PILE ON THE OVERRUN. SUBSEQUENTLY, THE ACFT CAME TO REST ON CONSTRUCTION DIRT. THE ROCK PILE WAS APRX 5 FTHI & WAS LEFT ON THE OVERRUN BY CONSTRUCTION PSNL. A NOTAM WAS IN EFFECT WHICH STATED 'MEN AND EQUIPMENT PRESENT AT THE END OF RUNWAY 30.' THE PLT RPRTD THERE WERE NO BARRIERS OR BLINKING LGTS TO MARK THE CONSTRUCTION AREA & HE WAS UNAWARE OF THE ROCK PILE UNTIL IT WAS TOO LATE.
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; instrument: airplane
- Flight time: 2,017 hours in all; 436 in this make and model; 46 in the last 90 days; 2,017 as pilot in command
- Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 436 hours
- Last inspection: 100-hour inspection; 46 hours since
- Maximum gross weight: 3,600 lb
- Seats: 4
- Landing gear: retractable
- Engine: Continental TSIO-520 (piston); 0 hours total
The flight
- Departed from: BOI Boise ID at 1:45 am
- Destination: MYL Mccall ID
- Flight plan: none
- Runway 11, 3,200 ft by 40 ft
Weather at the time
- Light: night, dark
- Wind: from 270° at 10 knots
- Visibility: 10 statute miles
- Sky: overcast at 7,500 ft; not recorded
- Temperature: 64°F (18°C), dew point 0°F (-18°C)
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.
Connections how this case links to the rest of the register
- N1834M: not on the register today · the record of its deregistration
- Beechcraft A36 Bonanza 2,530 registered today · the model family and its accident history
- Beechcraft 6 aircraft on the register
- Engine: Continental TSIO-520 4,113 aircraft carry this series today · as the NTSB recorded it
- Cascade Airport · nearest airport
- Boise Air Trml/Gowen Field · departed from
- MC Call Municipal · bound for
- Accidents and incidents in Idaho 1,535 since 1982 · 288 in the last ten years
- Idaho 4,199 aircraft registered
The whole map of how records connect · these connections as data: /graph/accident/SEA87LA164.json.
The bigger picture in Aviation Analytics: accidents over time since 1982, by model, by phase of flight and conditions, by place and on the map.
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 does not name anyone involved, its policy at this time. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.