# NTSB SEA77DYK15: Grumman G-164A, N6662Q, Klamath Falls, OR, June 16, 1977

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 16, 1977
- Place: Klamath Falls, OR · KLAMATH FALLS, OR
- Location: 42.2158° N, 121.7758° W: Placed by OpenAirDocs: center of Klamath Falls, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2158&lon=-121.7758&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report August 18, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 147138
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA77DYK15
- Page: https://openairdocs.org/ntsb/SEA77DYK15

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1674  77/6/16  NR.KLAMATH FALLS,OR   GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 38, 9200
        TIME - 1110                    N6662Q              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1300 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         KLAMATH FALLS,OR             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 9200                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     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 - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  4200
        REMARKS- STRUCK UNMARKED POWERLINE ON FIRST PASS.POWER POLE HIDDEN BY GROVE OF TREES.
```

## Aircraft

- Registration: [N6662Q](https://openairdocs.org/deregistered/N6662Q-2013-09-26), registration cancelled 2013-09-26, S/N 1696, built 1977 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164A](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (registry code 3952801) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (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 19770616015779A](https://openairdocs.org/incident/19770616015779A), Jun 16, 1977: Gulstm G164A, Klamath Falls, OR, Substantial damage. Struck unmarked powerline on first pass. Power pole hidden by grove of trees.

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.

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