# NTSB ANC79FA026: Rockwell 500S, N777DT, Anchorage, AK, December 19, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 19, 1978
- 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 21, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 138056
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC79FA026
- Page: https://openairdocs.org/ntsb/ANC79FA026

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4306  78/12/19   ANCHORAGE,AK        ROCKWELL 500S       CR-  0  0  1  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 1015                    N777DT              PX-  0  0  0  AIR TAXI-CARGO            35, 5100 TOTAL HOURS, 217
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ELMENDORF AFB
        DEPARTURE POINT             INTENDED DESTINATION
          ANCHORAGE,AK                MIDDLETON ISL,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           PILOT IN COMMAND - INITIATED FLIGHT IN ADVERSE WEATHER CONDITIONS
           MISCELLANEOUS ACTS,CONDITIONS - ICE-ENGINE
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           MISCELLANEOUS ACTS,CONDITIONS - ICE-WINDSHIELD
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
        FACTOR(S)
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
           WEATHER - LOW CEILING
           WEATHER - SNOW
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY RADIO
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  700
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                           SNOW, FREEZING RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          BLOWING SNOW                                              15
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          320                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
        REMARKS- ACFT NOT CERTIFICATED FOR OPERATION IN ICING CONDITIONS-FREEZING RAIN REPORTED
```

## Aircraft

- Registration: N777DT (not matched to a registry record)
- Reported make and model: ROCKWELL 500S
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Elmendorf Afb

## 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 19781219045439A](https://openairdocs.org/incident/19781219045439A), Dec 19, 1978: Rkwell 720RKWELL, AK, 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.

---
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.