# NTSB UNK73X0118: Bell 206, N8162J, Dhahran (Gulf of Mexico), July 28, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 28, 1973
- Place: Dhahran (Gulf of Mexico) · DHAHRAN,SAUD ARAB, GM
- Phase of flight: [Emergency descent](https://openairdocs.org/ntsb-phases/600) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report October 31, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 188721
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK73X0118
- Page: https://openairdocs.org/ntsb/UNK73X0118

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
6-0039  73/7/28  NR.DHAHRAN,SAUD ARAB  BELL 206            CR-  0  0  3  MISCELLANEOUS             COMMERCIAL, AGE 31, 4974
        TIME - 1830                    N8162J              PX-  0  0  0  TEST                      TOTAL HOURS, 793 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - DHAHRAN
        DEPARTURE POINT             INTENDED DESTINATION
         DHAHRAN,SAUD ARAB            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             IN FLIGHT: AUTOROTATIVE DESCENT
           AIRFRAME FAILURE: ON GROUND                              LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        FACTOR(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,AND ALTITUDE
           WEATHER - HIGH DENSITY ALTITUDE
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: OTHER
        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                                                      98
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           60                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- SEVERE SPIKE KNOCK.
```

## Aircraft

- Registration: [N8162J](https://openairdocs.org/deregistered/N8162J-1983-12-07), registration cancelled 1983-12-07, S/N 550 (OpenAirDocs)
- Reported make and model: BELL 206
- Registry model: [Bell 206A](https://openairdocs.org/model/bell-206a) (registry code 1181508) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Dhahran

## 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 19730728025999A](https://openairdocs.org/incident/19730728025999A), Jul 28, 1973: Bell 206A, Dhahran, Substantial damage. Severe spike knock.

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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