# NTSB DEN73DTM13: Cessna 310B, N6645B, Cedar City, UT, December 4, 1972

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: December 4, 1972
- Place: Cedar City, UT · CEDAR CITY, UT
- Location: 37.6775° N, 113.0619° W: Placed by OpenAirDocs: center of Cedar City, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6775&lon=-113.0619&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report March 30, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 163226
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN73DTM13
- Page: https://openairdocs.org/ntsb/DEN73DTM13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3829   72/12/4   CEDAR CITY,UT       CESSNA 310B         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1535                    N6645B              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  AGE 51, 2624 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            86 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BATTLE MOUNTAIN,NEV         29 PALMS,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           WEATHER - LOW CEILING
           WEATHER - SNOW
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
           TERRAIN - HIGH OBSTRUCTIONS
        WEATHER BRIEFING - PARTIAL BRIEFING BY FLIGHT SERVICE PERSONNEL, BY PHONE/RADIO, LIMITED BY PILOT ACTION
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               100
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1 MILE OR LESS                                           SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          BLOWING SNOW                                              33
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          340                                                       15
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
        REMARKS- ENCOUNTERED HEAVY ICING.UN MAINTAIN ALT.ANTI-ICING/DE-ICING EQUIP NOT INSTALLED.
```

## Aircraft

- Registration: [N6645B](https://openairdocs.org/deregistered/N6645B-1973-03-06), registration cancelled 1973-03-06, S/N 35745 (OpenAirDocs)
- Reported make and model: CESSNA 310B
- Registry model: [Cessna 310B](https://openairdocs.org/model/cessna-310b) (registry code 2074208) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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.

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