# NTSB DEN67F0104: Cessna 172B, N7403X, Larkspur, CO, September 15, 1966

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 15, 1966
- Place: Larkspur, CO · LARKSPUR, CO
- Location: 39.2296° N, 104.8857° W: Placed by OpenAirDocs: center of Larkspur, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.2296&lon=-104.8857&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report November 3, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 121133
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN67F0104
- Page: https://openairdocs.org/ntsb/DEN67F0104

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2546  66/9/15    LARKSPUR COLO       CESSNA 172B         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 19, 170
        TIME - 1630                    N7403X              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 5 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
        FACTOR(S)
           WEATHER - FOG
        WEATHER BRIEFING - BRIEFED BY WEATHER BUREAU PERSONEL, BY PHONE
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               0
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/4 MILE OR LESS                                         NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          GROUND FOG                                                45
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      NONE
```

## Aircraft

- Registration: [N7403X](https://openairdocs.org/deregistered/N7403X-2013-02-11), registration cancelled 2013-02-11, S/N 17247903, built 1960 (OpenAirDocs)
- Reported make and model: CESSNA 172B
- Registry model: [Cessna 172B](https://openairdocs.org/model/cessna-172b) (registry code 2072406) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (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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