# NTSB DEN77FTE47: Bell 47G3B1, N1301X, Wellington, CO, May 24, 1977

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 24, 1977
- Place: Wellington, CO · WELLINGTON, CO
- Location: 40.6977° N, 105.0063° W: Placed by OpenAirDocs: center of Wellington, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.6977&lon=-105.0063&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report June 27, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 158227
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN77FTE47
- Page: https://openairdocs.org/ntsb/DEN77FTE47

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1057  77/5/24    WELLINGTON,CO       BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1300                    N1301X              PX-  0  0  0  CONSTRUCTION              AGE 26, 4710 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            891 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WELLINGTON,CO               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: COLLECTIVE PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - INTERFERENCE WITH FLIGHT CONTROLS
        REMARKS- STRINGING HIGHLINE CABLE.LEAD ROPE BROKE,WRAPPED AROUND TRANSMISSION,ROTOR MAST,HUB.
```

## Aircraft

- Registration: [N1301X](https://openairdocs.org/deregistered/N1301X-2004-04-01), registration cancelled 2004-04-01, S/N 6535, built 1966 (OpenAirDocs)
- Reported make and model: BELL 47G3B1
- Registry model: [Bell 47G-3B-1](https://openairdocs.org/model/bell-47g-3b-1) (registry code 1181028) (OpenAirDocs)
- Registry engine: [Lycoming TVO-435-GIA](https://openairdocs.org/engine/lycoming-tvo-435-gia) (registry code 41526, turbo-prop) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## 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 19770524012789A](https://openairdocs.org/incident/19770524012789A), May 24, 1977: Bell 47G3B1, Wellington, CO, Destroyed. Stringing highline cable. Lead rope broke,wrapped around transmission,rotor mast,hub.

## Other investigations on N1301X (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 LAX70FUG50](https://openairdocs.org/ntsb/LAX70FUG50), Jun 25, 1970: Bell 47G-3B (N1301X), Idyllwild, CA, 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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