# NTSB LAX77FA018: Beech 95-B55, N4635S, Barstow, CA, December 31, 1976

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: December 31, 1976
- Place: Barstow, CA · BARSTOW, CA
- Location: 34.8986° N, 117.0228° W: Placed by OpenAirDocs: center of Barstow, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.8986&lon=-117.0228&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal
- Status: Completed, report January 11, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 156583
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX77FA018
- Page: https://openairdocs.org/ntsb/LAX77FA018

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3978  76/12/31 NR.BARSTOW,CA         BEECH 95-B55        CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 40, 708
        TIME - 1548                    N4635S              PX-  3  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 89 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          IRVINE,CA                   LAS VEGAS, NV
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT
        FACTOR(S)
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        MISSING AIRCRAFT - LATER RECOVERED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  3000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      RAIN, RAIN SHOWERS
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     315
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           17                                                      IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- RECOVERY DATE 1/1/77.AIRCRAFT FLEW INTO KNOWN ICING CONDITIONS. NO DE-ICING EQUIP INSTALLED.
```

## Aircraft

- Registration: [N4635S](https://openairdocs.org/deregistered/N4635S-1977-03-11), registration cancelled 1977-03-11, S/N TC-1909, built 1975 (OpenAirDocs)
- Reported make and model: BEECH 95-B55
- Registry model: [Beech 95-B55 (T42A)](https://openairdocs.org/model/beech-95-b55-t42a) (registry code 1152706) (OpenAirDocs)
- Registry engine: [Continental I0-470 series](https://openairdocs.org/engine/continental-i0-470-series) (registry code 17027, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19761231042609A](https://openairdocs.org/incident/19761231042609A), Dec 31, 1976: Beech A56TC, Barstow, CA, Destroyed, 3 fatal. Recovery date 1/1/77.aircraft flew into known icing conditions. No de-icing equip installed.

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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