# NTSB ANC77DAH05: Helio Acft H-391B, N4144D, Anchorage, AK, October 23, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 23, 1976
- Place: Anchorage, AK · ANCHORAGE, AK
- Location: 61.2181° N, 149.9003° W: Placed by OpenAirDocs: center of Anchorage, AK, within about 23 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.2181&lon=-149.9003&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report January 21, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 201360
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC77DAH05
- Page: https://openairdocs.org/ntsb/ANC77DAH05-201360

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3656  76/10/23 NR.ANCHORAGE,AK       HELIO ACFT H-391B   CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 36, 162
        TIME - 1200                    N4144D              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 85 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
         ANCHORAGE,AK                 TELAQUANA LAKE,AK           ANCHORAGE,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: TREES                                     LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           PILOT IN COMMAND - IMPROPER RECOVERY FROM BOUNCED LANDING
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - FOG
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  ADVERSE/UNFAVORABLE WEATHER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  1000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- LND DUE ENROUTE WEA.
```

## Aircraft

- Registration: [N4144D](https://openairdocs.org/deregistered/N4144D-2006-01-20), registration cancelled 2006-01-20, S/N 093, built 1958 (OpenAirDocs)
- Reported make and model: HELIO ACFT H-391B
- Registry model: [Helio H-391B](https://openairdocs.org/model/helio-h-391b) (registry code 4300106) (OpenAirDocs)
- Registry engine: [Lycoming GO-435C&D series](https://openairdocs.org/engine/lycoming-go-435c-d-series) (registry code 41521, reciprocating) (OpenAirDocs)
- Category: Airplane
- 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 19761023032269A](https://openairdocs.org/incident/19761023032269A), Oct 23, 1976: Helio H391B, Anchorage, AK, Substantial damage. Lnd due enroute wea.

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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