# NTSB FTW70F0063: Grumman G-164, N520Y, Kaplan, LA, June 23, 1969

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 23, 1969
- Place: Kaplan, LA · KAPLAN, LA
- Location: 30.0060° N, 92.2839° W: Placed by OpenAirDocs: center of Kaplan, LA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.0060&lon=-92.2839&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report August 8, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 174983
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW70F0063
- Page: https://openairdocs.org/ntsb/FTW70F0063

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1794  69/6/23    KAPLAN,LA           GRUMMAN G-164       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 37, 7975
        TIME - 1330                    N520Y               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 3500 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: WHEELS,TIRES,AXLES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SEEDING CROPS
          KIND OF CROP - RICE                                      TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - INSTALLED                             TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- AXLE RETAINING BOLTS FAILED.
```

## Aircraft

- Registration: [N520Y](https://openairdocs.org/deregistered/N520Y-2013-08-15), registration cancelled 2013-08-15, S/N 157, built 1962 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164
- Registry model: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702) (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: Substantial damage

## Other investigations on N520Y (3)

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 DFW08LA178](https://openairdocs.org/ntsb/DFW08LA178), Jul 3, 2008: Grumman G-164 (N520Y), Stotesbury, MO, destroyed. Probable cause: Fracture of the engine's number eight cylinder barrel resulting in a loss of engine power. Contributing to the accident was the lack of suitable terrain for a forced landing.
- [NTSB DEN73DTE37](https://openairdocs.org/ntsb/DEN73DTE37), Oct 10, 1972: Grumman G-164 (N520Y), Joes, CO, substantial damage
- [NTSB FTW66D0024](https://openairdocs.org/ntsb/FTW66D0024), May 6, 1965: Grumman G-164 (N520Y), Esterwood, LA, substantial damage

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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