# NTSB ANC79FA065: Enstrom F-28C, N532H, Portage, AK, July 2, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 2, 1979
- Place: Portage, AK · PORTAGE, AK
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report September 10, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 133909
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC79FA065
- Page: https://openairdocs.org/ntsb/ANC79FA065

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3953   79/7/2  NR.PORTAGE,AK         ENSTROM F-28C       CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1530                    N532H               PX-  0  0  2  AIR TAXI-PASSG            AGE 20, 1322 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            44 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ANCHORAGE,AK               PORTAGE,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NO 2 CONNECTING ROD CAP & BOLT FAILED.ROTOR BLADE HIT TAIL DRG FORCED LNDG ON TUNDRA.CO FLT PLN.
```

## Aircraft

- Registration: [N532H](https://openairdocs.org/deregistered/N532H-1982-08-10), registration cancelled 1982-08-10, S/N 331 (OpenAirDocs)
- Reported make and model: ENSTROM F-28C
- Registry model: [Enstrom F-28C](https://openairdocs.org/model/enstrom-f-28c) (registry code 3300407) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## 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 19790702041809A](https://openairdocs.org/incident/19790702041809A), Jul 2, 1979: Enstrm F28C, Portage, AK, Substantial damage. Engine quit. Autorotated to landing on soft tundra. Main rotors severed tail boom. Connecting rod cap failure.

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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