# NTSB MIA77FA032: Bell 206B, N14824, Atlanta, GA, February 18, 1977

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: February 18, 1977
- Place: Atlanta, GA · ATLANTA, GA
- Location: 33.7490° N, 84.3880° W: Placed by OpenAirDocs: center of Atlanta, GA, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.7490&lon=-84.3880&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report March 31, 1977
- Report: Brief approved by the director
- Safety recommendations: Yes
- NTSB case key (mKey): 79430
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA77FA032
- Page: https://openairdocs.org/ntsb/MIA77FA032

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0710  77/2/18    ATLANTA,GA          BELL 206B           CR-  0  1  1  COMMERCIAL                COMMERCIAL, AGE 31, 5000
        TIME - 1145                    N14824              PX-  0  0  0  AIR TAXI-CARGO            TOTAL HOURS, 400 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ATLANTA,GA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      TAKEOFF: VERTICAL
        PROBABLE CAUSE(S)
           ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR HEAD ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- DURING INITIAL STAGE OF FLIGHT FROM HOVER THE MAIN ROTOR TRUNNION SEPARATED,MAIN ROTOR SYS FAILED
```

## Aircraft

- Registration: [N14824](https://openairdocs.org/deregistered/N14824-2009-07-01), registration cancelled 2009-07-01, S/N 853, built 1972 (OpenAirDocs)
- Reported make and model: BELL 206B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (registry code 1181511) (OpenAirDocs)
- Registry engine: [Allison 250 SER 400HP](https://openairdocs.org/engine/allison-250-ser-400hp) (registry code 03013, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage

## 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 19770218010869A](https://openairdocs.org/incident/19770218010869A), Feb 18, 1977: Bell 206B, Atlanta, GA, Substantial damage. During initial stage of flight from hover the main rotor trunnion separated,main rotor sys failed

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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