# NTSB NYC73AN021: Bell 206A, N550JA, Rocky Hill, CT, August 2, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 2, 1972
- Place: Rocky Hill, CT · ROCKY HILL, CT
- Location: 41.7493° N, 72.6898° W: Placed by OpenAirDocs: center of Rocky Hill, CT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.7493&lon=-72.6898&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report February 13, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167552
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC73AN021
- Page: https://openairdocs.org/ntsb/NYC73AN021

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1806   72/8/2    ROCKY HILL,CONN     BELL 206A           CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1030                    N550JA              PX-  0  0  2  AIR TAXI-PASSG            AGE 27, 3990 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1090 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ROCKY HILL,CONN             BRIDGEPORT,CONN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: VERTICAL
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - COMPRESSOR ASSEMBLY: BLADE,COMPRESSOR ROTOR
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- COMPRESSOR OVERDUE USEFUL TIME CHNG. M/R BLADES FLEXED INTO AND SEVERED TAIL BOOM.
```

## Aircraft

- Registration: [N550JA](https://openairdocs.org/deregistered/N550JA-1990-12-07), registration cancelled 1990-12-07, S/N 335 (OpenAirDocs)
- Reported make and model: BELL 206A
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (registry code 1181511) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: 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.

---
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.