# NTSB SEA79DYA11: Air Tractor AT-301, N4331S, Rigby, ID, May 7, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 7, 1979
- Place: Rigby, ID · RIGBY, ID
- Location: 43.6736° N, 111.9135° W: Placed by OpenAirDocs: center of Rigby, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.6736&lon=-111.9135&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report June 5, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 136610
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA79DYA11
- Page: https://openairdocs.org/ntsb/SEA79DYA11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0621   79/5/7  NR.RIGBY,ID           AIR TRACTOR AT-301  CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0920                    N4331S              PX-  0  0  0  AERIAL APPLICATION        AGE 43, 1341 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            38 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         RIGBY,ID                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  400                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -HILLY
          ELEVATION-AREA BEING TREATED-FEET -  5500                SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- FLEW INTO SMALL RISE.
```

## Aircraft

- Registration: [N4331S](https://openairdocs.org/deregistered/N4331S-1982-08-11), registration cancelled 1982-08-11, S/N 300-0011, built 1975 (OpenAirDocs)
- Reported make and model: AIR TRACTOR AT-301
- Registry model: [Air Tractor AT-301](https://openairdocs.org/model/air-tractor-at-301) (registry code 0390103) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19790507008119A](https://openairdocs.org/incident/19790507008119A), May 7, 1979: Airtrc AT301, Rigby, ID, Substantial damage. Pilot stated that he failed to see a little rise in the ground and flew into it.

## Other investigations on N4331S (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB SEA78FYA21](https://openairdocs.org/ntsb/SEA78FYA21), Aug 11, 1978: Air Tractor AT-300 (N4331S), Idaho Falls, ID, substantial damage, 1 fatal

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.