Ayres S2R accident near Nampa, Idaho, July 25, 1986
On July 25, 1986 at about 2:30 am local time, a Ayres S2R, registered N5511X, was destroyed in an accident near Nampa, Idaho. It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). 1 person was killed. 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
- July 25, 1986 · about 2:30 am local time
- Place
- Nampa, Idaho · map
- Type
- Accident
- Injuries
- 1 person was killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Ayres S2R
- Registration
- N5511X · registry record · serial 1711R
- Damage
- Destroyed
- Flight
- Aerial application (crop spraying) flight · agricultural flying rules (Part 137)
The NTSB's narrative final · quoted from the NTSB record
GROUND PERSONNEL REPORTED THE ACFT ENTERED PROCEDURE TURNAROUND IN AN EXCESSIVE ATTITUDE, APPEARED TO STALL, ROLLED INVERTED AND STRUCK THE GROUND. NO EVIDENCE FOUND OF PRE-IMPACT MECHANICAL FAILURE OR MALFUNCTION.
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
- Flight time: 2,030 hours in all; 200 in this make and model; 300 in the last 90 days; 2,030 as pilot in command
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: ctr
The aircraft
- Airframe total time: 3,208 hours
- Last inspection: annual inspection, May 21, 1986
- Maximum gross weight: 6,000 lb
- Seats: 1
- Landing gear: fixed
- Engine: Garrett TPE331-43A (turboprop); 0 hours total
- Fire on the ground
The flight
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 135° at 4 knots
- Visibility: 50 statute miles
- Sky: scat
- Temperature: 84°F (29°C), dew point 0°F (-18°C)
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.
Other NTSB records under N5511X the same tail number, which may have belonged to a different aircraft at the time
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.