# NTSB OAK69O0004: Pilatus PC-6C, N394R, Hoi An, VM, April 21, 1968

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 21, 1968
- Place: Hoi An, VM · HOI AN, Vietnam
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 2 uninjured
- Status: Completed, report November 14, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 110644
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK69O0004
- Page: https://openairdocs.org/ntsb/OAK69O0004

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
6-0020  68/4/21    HOI AN,S.VIETNAM    PILATUS PC-6C       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 29, 2740
        TIME - 0820                    N394R               PX-  0  0  2  OTHER                     TOTAL HOURS, 1179 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - HOI AN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: FINAL APPROACH
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- UNDER JURISDICTION OF GOVT OF SOUTH VIETNAM. ROUTINE USAID PASSENGER FLIGHT.
```

## Aircraft

- Registration: [N394R](https://openairdocs.org/deregistered/N394R-2005-05-19), registration cancelled 2005-05-19, S/N 599, built 1966 (OpenAirDocs)
- Reported make and model: PILATUS PC-6C
- Registry model: [Pilatus Porter PC-6/C-H2](https://openairdocs.org/model/pilatus-porter-pc-6-c-h2) (registry code 7090214) (OpenAirDocs)
- Registry engine: [AiResearch 331 SER 605HP](https://openairdocs.org/engine/airesearch-331-ser-605hp) (registry code 01502, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Hoi An

## Other investigations on N394R (2)

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 FTW03LA209](https://openairdocs.org/ntsb/FTW03LA209), Aug 28, 2003: Pilatus PC-6/C-H2 (N394R), Vigo Park, TX, destroyed. Probable cause: The loss of propeller pitch control for undetermined reasons.
- [NTSB OAK69O0016](https://openairdocs.org/ntsb/OAK69O0016), Dec 18, 1968: Porter PC-6C (N394R), Saigon, VM, substantial damage, 1 fatal

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.
