# NTSB OAK78IA056: Douglas DC-4, N401AD, Honolulu, HI, June 15, 1978

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: June 15, 1978
- Place: Honolulu, HI · HONOLULU, HI
- Location: 21.3069° N, 157.8583° W: Placed by OpenAirDocs: center of Honolulu, HI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=21.3069&lon=-157.8583&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report December 6, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 140518
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK78IA056
- Page: https://openairdocs.org/ntsb/OAK78IA056

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0013  78/6/15    HONOLULU,HI         DOUGLAS DC-4        CR-  0  0  3  SCHED DOM CARGO SRV       AIRLINE TRANSPORT, AGE
        TIME - 1828                    N401AD              PX-  0  0  0                            54, 27000 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - HONOLULU INTL
        OPERATOR - AIR CARGO ENTERPRISES
        DEPARTURE POINT             INTENDED DESTINATION
          HONOLULU,HI                 HILO,HI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       TAKEOFF: INITIAL CLIMB
           ENGINE TEARAWAY                                          TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
```

## Aircraft

- Registration: N401AD (not matched to a registry record)
- Reported make and model: DOUGLAS DC-4
- Category: Airplane
- Engines: reciprocating
- Damage: Minor damage
- Airport: Honolulu Intl

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19780615045979I](https://openairdocs.org/incident/19780615045979I), Jun 15, 1978: Doug C54BDC, Honolulu, HI, Minor damage. Propeller blade separated at first power reduction. Engine torn from the mount and was found on runway.

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.