# NTSB OAK73DJY20: Bell 204B, N1196W, Ban Na, Laos, March 30, 1973

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: March 30, 1973
- Place: Ban Na, Laos · BAN NA, Laos
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious, 1 minor
- Status: Completed, report January 9, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 173340
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK73DJY20
- Page: https://openairdocs.org/ntsb/OAK73DJY20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
6-0050  73/3/30  NR.BAN NA,LAOS        BELL 204B           CR-  0  2  1  COMMERCIAL                COMMERCIAL, AGE 42, 10068
        TIME - 1140                    N1196W              PX-  0  0  0  COMMUTER AIR CARRIER      TOTAL HOURS, 2500 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0  AIR TAXI-CARGO S-I        TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - MT HELIPORT
        DEPARTURE POINT             INTENDED DESTINATION
          LONG TIENG,LAOS             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: GO-AROUND
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - SELF-HELP,PILOT CHECKED WEATHER DATA
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        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                                                      80
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          180                                                       2
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
        REMARKS- DA 6800FT.UN TO SUSTAIN ROTOR RPM.INVESTIGATION UNDER JURISDICTION LAOTIAN GOVT.
```

## Aircraft

- Registration: [N1196W](https://openairdocs.org/deregistered/N1196W-1973-06-22), registration cancelled 1973-06-22, S/N 2036 (OpenAirDocs)
- Reported make and model: BELL 204B
- Registry model: [Bell 204-B](https://openairdocs.org/model/bell-204-b) (registry code 1181404) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Destroyed
- Airport: Mt Heliport

## 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 19730330035439A](https://openairdocs.org/incident/19730330035439A), Mar 30, 1973: Bell UHIBWILCO, Ban Na, Substantial damage. Da 6800FT.un to sustain rotor RPM.investigation under jurisdiction laotian govt.

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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