# NTSB FTW75FRA24: Boeing B75N1, N4683N, Anahuac, TX, April 25, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 25, 1975
- Place: Anahuac, TX · ANAHUAC, TX
- Location: 29.7652° N, 94.6785° W: Placed by OpenAirDocs: center of Anahuac, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.7652&lon=-94.6785&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 29, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148614
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW75FRA24
- Page: https://openairdocs.org/ntsb/FTW75FRA24

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0854  75/4/25    ANAHUAC,TX          BOEING B75N1        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 26, 1146
        TIME - 1150                    N4683N              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 613 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - FEAR STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          ANAHUAC,TX                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: DIRT BANK                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   42                       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - RICE                                      TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- NR 4 CYL HEAD SEPARATED.
```

## Aircraft

- Registration: [N4683N](https://openairdocs.org/deregistered/N4683N-2013-08-15), registration cancelled 2013-08-15, S/N 75-3539, built 1942 (OpenAirDocs)
- Reported make and model: BOEING B75N1
- Registry model: [Boeing B75N1](https://openairdocs.org/model/boeing-b75n1) (registry code 1380144) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Fear Strip

## 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 19750425009379A](https://openairdocs.org/incident/19750425009379A), Apr 25, 1975: Boeing B75N1, Anahuac, TX, Substantial damage. Nr 4 cyl head separated.

## Other investigations on N4683N (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 FTW68F0021](https://openairdocs.org/ntsb/FTW68F0021), May 29, 1967: Boeing A75 (N4683N), Wynne, AR, 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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