# NTSB SEA78DYM21: Hughes 269C, N7471F, The Dalles, OR, March 17, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 17, 1978
- Place: The Dalles, OR · THE DALLES, OR
- Location: 45.5984° N, 121.1524° W: Placed by OpenAirDocs: center of The Dalles, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.5984&lon=-121.1524&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 10, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142565
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78DYM21
- Page: https://openairdocs.org/ntsb/SEA78DYM21

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0348  78/3/17    THE DALLES,OR       HUGHES 269C         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 38, 2547
        TIME - 0945                    N7471F              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 151 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          THE DALLES,OR               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - FRUIT ORCHARDS                            TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -HILLY
          ELEVATION-AREA BEING TREATED-FEET -  1000                SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- FOUR SETS OF PWR LINES IN AREA.
```

## Aircraft

- Registration: N7471F (not matched to a registry record)
- Reported make and model: HUGHES 269C
- Category: Helicopter
- 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 19780317003969A](https://openairdocs.org/incident/19780317003969A), Mar 17, 1978: Hughes 269A, The Dalles, OR, Substantial damage. Four sets of pwr lines in area.

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.