# NTSB FTW72FPD48: Bell 47H-1, N4958E, Graham, TX, June 23, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 23, 1972
- Place: Graham, TX · GRAHAM, TX
- Location: 33.1009° N, 98.5778° W: Placed by OpenAirDocs: center of Graham, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.1009&lon=-98.5778&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 22, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167477
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW72FPD48
- Page: https://openairdocs.org/ntsb/FTW72FPD48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2211  72/6/23    GRAHAM,TEX          BELL 47H-1          CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1745                    N4958E              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  34, 5403 TOTAL HOURS, 114
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ROSSER RANCH
        DEPARTURE POINT             INTENDED DESTINATION
          ROSSER RANCH                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                LANDING: ROLL-ON/RUN-ON
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      100
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          135                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- RUN ON LDG,SKIDS DUG IN.DENS ALT ABT 5000FT.
```

## Aircraft

- Registration: [N4958E](https://openairdocs.org/deregistered/N4958E-2017-03-21), registration cancelled 2017-03-21, S/N 1369, built 1956 (OpenAirDocs)
- Reported make and model: BELL 47H-1
- Registry model: [Bell 47H-1](https://openairdocs.org/model/bell-47h-1) (registry code 1181011) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed
- Airport: Rosser Ranch

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.