# NTSB OAK72DJY19: Bell 204B, N8535F, Bouam Long, Laos, May 25, 1972

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 25, 1972
- Place: Bouam Long, Laos · BOUAM LONG, Laos
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 7 uninjured
- Status: Completed, report January 9, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 118346
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK72DJY19
- Page: https://openairdocs.org/ntsb/OAK72DJY19

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
6-0087  72/5/25    BOUAM LONG,LAOS     BELL 204B           CR-  0  0  3  COMMERCIAL                COMMERCIAL, AGE 47, 8774
        TIME - 1715                    N8535F              PX-  0  0  6  COMMUTER AIR CARRIER      TOTAL HOURS, 4745 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-PASSG S-I        TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - BOUAM LONG
        DEPARTURE POINT             INTENDED DESTINATION
          BOUAM LONG,LAOS             BAN XON,LAOS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             TAKEOFF: ABORTED
        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
          BROKEN                                                    10000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     HEAD WIND 338-022 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           65                                                      290
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           10                                                      VFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- UN MNTN ROTOR RPM.DA 6100FT.INVESTIGATION UNDER JURISDICTION OF LAOTIAN GOVT.
```

## Aircraft

- Registration: [N8535F](https://openairdocs.org/deregistered/N8535F-1976-05-03), registration cancelled 1976-05-03, S/N 2031 (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: Substantial damage
- Airport: Bouam Long

## Other investigations on N8535F (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 OAK74DJY04](https://openairdocs.org/ntsb/OAK74DJY04), Sep 7, 1973: Bell 204B (N8535F), Ramasun, Thailand, 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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