# NTSB SEA66D0039: Piper PA-18, N3688A, Billings, MT, May 19, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 19, 1965
- Place: Billings, MT · BILLINGS, MT
- Location: 45.7833° N, 108.5007° W: Placed by OpenAirDocs: center of Billings, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.7833&lon=-108.5007&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 7, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 177629
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA66D0039
- Page: https://openairdocs.org/ntsb/SEA66D0039

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1913  65/5/19  NR.BILLINGS MONT      PIPER PA-18         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 24, 1140
        TIME - 1830                    N3688A              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 835 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   20                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             ELEVATION-AREA BEING TREATED-FEET -  3700
        REMARKS- RIGHT GEAR SHOCK CORD AND STRUT FAILED
```

## Aircraft

- Registration: [N3688A](https://openairdocs.org/aircraft/N3688A), registered now, S/N 18-3036, built 1953 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18-135](https://openairdocs.org/model/piper-pa-18-135) (registry code 7101820) (OpenAirDocs)
- Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N3688A (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 SEA66F0180](https://openairdocs.org/ntsb/SEA66F0180), Nov 8, 1965: Piper PA-18A (N3688A), Huntley, MT, 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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