# NTSB DEN66D0119: Cessna 120, N90185, Castle Rock, CO, October 9, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 9, 1965
- Place: Castle Rock, CO · CASTLE ROCK, CO
- Location: 39.3722° N, 104.8561° W: Placed by OpenAirDocs: center of Castle Rock, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.3722&lon=-104.8561&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 16, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 175682
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN66D0119
- Page: https://openairdocs.org/ntsb/DEN66D0119

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2872   65/10/9   CASTLE ROCK COLO    CESSNA 120          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 0930                    N90185              PX-  0  0  0  DUAL                      AGE UNK/NR, UNK/NR TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   UNK/NR INSTRUMENT RATED.
        NAME OF AIRPORT - DOUGLAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO MAINTAIN DIRECTIONAL CONTROL
```

## Aircraft

- Registration: [N90185](https://openairdocs.org/aircraft/N90185), registered now, S/N 9250, built 1946 (OpenAirDocs)
- Reported make and model: CESSNA 120
- Registry model: [Cessna 120](https://openairdocs.org/model/cessna-120) (registry code 2071402) (OpenAirDocs)
- Registry engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Douglas

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.