# NTSB FTW70DRG13: Bell 47G-4A, N6233N, Corpus Chrsti, TX, February 24, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: February 24, 1970
- Place: Corpus Chrsti, TX · CORPUS CHRSTI, TX
- Location: 27.8006° N, 97.3964° W: Placed by OpenAirDocs: center of Corpus Christi, TX, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=27.8006&lon=-97.3964&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report August 7, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 135064
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW70DRG13
- Page: https://openairdocs.org/ntsb/FTW70DRG13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0651  70/2/24    CORPUS CHRSTI,TEX   BELL 47G-4A         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 29, 2477
        TIME - 1140                    N6233N              PX-  0  0  0  CONSTRUCTION              TOTAL HOURS, 1210 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CORPUS CHRSTI,TEX           CORPUS CHRSTI,TEX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: HOVERING
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           MISCELLANEOUS - FOREIGN OBJECT DAMAGE
         FIRE AFTER IMPACT
        REMARKS- SLING LOADING AIRCONDITIONING UNITS TO TOP OF BLDG.PLASTIC SHEETING TORE LOOSE,HIT T/R BLADES.
```

## 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: Destroyed

## 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 FTW75FRG87](https://openairdocs.org/ntsb/FTW75FRG87), Jun 6, 1975: Bell 47G-4A (N6233N), San Antonio, TX, substantial damage
- [NTSB FTW75DRG51](https://openairdocs.org/ntsb/FTW75DRG51), Jan 18, 1975: Bell 47G-4A (N6233N), Mountain Home, TX, 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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