# NTSB UNK65X0176: Beechcraft C18S, N7871B, Marathon, FL, October 7, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 7, 1964
- Place: Marathon, FL · MARATHON, FL
- Location: 24.7323° N, 81.0251° W: Placed by OpenAirDocs: center of Marathon, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=24.7323&lon=-81.0251&mi=10
- Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 20, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 181412
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0176
- Page: https://openairdocs.org/ntsb/UNK65X0176

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3136   64/10/7   MARATHON FLA        BEECHCRAFT C18S     CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1600                    N7871B              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   60, 9680 TOTAL HOURS, 720
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MARATHON
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: PARKED AIRCRAFT                           STATIC: IDLING ENGINE(S)
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - OTHER
          KIND OF CROP - MOSQUITO CONTROL                          TYPE OF CHEMICAL USED - UNKNOWN/NOT REPORTED
          TANK/HOPPER-LOCATION - UNKNOWN/NOT REPORTED              ELEVATION-AREA BEING TREATED-FEET -  6
        REMARKS- PARKED AIRCRAFT  BEECHCRAFT C18S N6401C SUBST.
```

## Aircraft

- Registration: [N7871B](https://openairdocs.org/deregistered/N7871B-1970-06-29), registration cancelled 1970-06-29, S/N 8103 (OpenAirDocs)
- Reported make and model: BEECHCRAFT C18S
- Registry model: [Beech C18S](https://openairdocs.org/model/beech-c18s) (registry code 1150902) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Marathon

## Other investigations on N7871B (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 MIA66F0084](https://openairdocs.org/ntsb/MIA66F0084), Jul 10, 1965: Beech C-18S (N7871B), Marathon, FL, destroyed

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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