Convair 240 accident near Boise, Idaho, July 27, 1993
On July 27, 1993 at about 7:17 pm local time, a Convair 240, registered N156PA, was substantially damaged in an accident near Boise, Idaho (Boise airport). It was a flight of an unrecorded kind under general aviation rules (Part 91). No one was hurt; 3 people were on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE PILOT'S FAILURE TO EXTEND THE LANDING GEAR, AND THE CHECK PILOT'S INADEQUATE SUPERVISIION. A FACTOR IN THE ACCIDENT WAS THE PILOT'S INADEQUATE UPGRADE TRAINING BY THE COMPANY.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 27, 1993 · about 7:17 pm local time
- Place
- Boise, Idaho · Boise · map
- Type
- Accident
- Injuries
- No one was hurt; 3 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Convair 240
- Registration
- N156PA · no longer on the register · serial 324
- Damage
- Substantial damage
- Flight
- Flight of an unrecorded kind · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
LEFT SEAT PILOT WAS RECEIVING A FLIGHT CHECK FOR ATP AND CV-240 TYPE RATING; RIGHT SEAT PILOT WAS FAA OPS INSPECTOR. FOLLOWING A SIMULATED SINGLE-ENGINE APPROACH THE AIRPLANE LANDED WHEELS UP. LEFT SEAT PILOT HAD RECEIVED A TOTAL OF 1.4 HRS LEFT SEAT TRAINING IN CV-240 PRIOR TO THIS FLIGHT; LOG BOOK NOT ENDORSED.
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, private
- Ratings: multi-engine land; single-engine land; instrument: airplane
- Flight time: 2,128 hours in all; 1,400 in this make and model; 150 in the last 90 days; 50 in the last 30 days; 360 as pilot in command
- Medical certificate: Class 1 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Last inspection: approved inspection programme
- Maximum gross weight: 41,790 lb
- Seats: 8
- Landing gear: retractable
- Engine: P&W R2800 (piston); 0 hours total
The flight
- Departed from: BOI at 6:03 pm
- Flight plan: VFR
- Runway 10, 9,763 ft by 190 ft
Weather at the time
- Light: daylight
- Wind: from 090° at 5 knots
- Visibility: 40 statute miles
- Sky: clear
- Temperature: 84°F (29°C), dew point 0°F (-18°C)
- Altimeter: 30.00 inHg
- Observation at 4:50 pm from BOI, 1 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 3 |
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.