# NTSB FTW75FRG87: Bell 47G-4A, N6233N, San Antonio, TX, June 6, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 6, 1975
- Place: San Antonio, TX · SAN ANTONIO, TX
- Location: 29.4241° N, 98.4936° W: Placed by OpenAirDocs: center of San Antonio, TX, within about 13 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.4241&lon=-98.4936&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 20, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148403
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW75FRG87
- Page: https://openairdocs.org/ntsb/FTW75FRG87

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1166   75/6/6    SAN ANTONIO,TX      BELL 47G-4A         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1945                    N6233N              PX-  0  0  1  FERRY                     AGE 45, 6000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            5000 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - SAN ANTONIO INTL
        DEPARTURE POINT             INTENDED DESTINATION
          SAN ANTONIO,TX              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                LANDING: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        REMARKS- LDG ON TRANSPORT TRAILER.R SKID CAUGHT TIE DOWN.
```

## Aircraft

- Registration: [N6233N](https://openairdocs.org/deregistered/N6233N-1989-02-10), registration cancelled 1989-02-10, S/N 7596 (OpenAirDocs)
- Reported make and model: BELL 47G-4A
- Registry model: [Bell 47G-4A](https://openairdocs.org/model/bell-47g-4a) (registry code 1181031) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: San Antonio Intl

## 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 19750606012709A](https://openairdocs.org/incident/19750606012709A), Jun 6, 1975: Bell 47G3B1, San Antonio, TX, Substantial damage. Ldg on transport trailer.r skid caught tie down.

## Other investigations on N6233N (2)

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 FTW75DRG51](https://openairdocs.org/ntsb/FTW75DRG51), Jan 18, 1975: Bell 47G-4A (N6233N), Mountain Home, TX, substantial damage
- [NTSB FTW70DRG13](https://openairdocs.org/ntsb/FTW70DRG13), Feb 24, 1970: Bell 47G-4A (N6233N), Corpus Chrsti, TX, 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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