# NTSB FTW78FPD11: Ryan Navion, N4181K, Denton, TX, December 18, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 18, 1977
- Place: Denton, TX · DENTON, TX
- Location: 33.2148° N, 97.1331° W: Placed by OpenAirDocs: center of Denton, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.2148&lon=-97.1331&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report January 24, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 144343
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW78FPD11
- Page: https://openairdocs.org/ntsb/FTW78FPD11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3773  77/12/18   DENTON,TX           RYAN NAVION         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1730                    N4181K              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  AGE 39, 2133 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            325 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HIDDEN VALLEY
        DEPARTURE POINT             INTENDED DESTINATION
          DENTON,TX                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,ALTITUDE OR CLEARANCE
```

## Aircraft

- Registration: [N4181K](https://openairdocs.org/deregistered/N4181K-2002-12-03), registration cancelled 2002-12-03, S/N NAV-4-1181, built 1948 (OpenAirDocs)
- Reported make and model: RYAN NAVION
- Registry model: [Ryan NAVION](https://openairdocs.org/model/ryan-navion) (registry code 6150160) (OpenAirDocs)
- Registry engine: [Continental E185 series](https://openairdocs.org/engine/continental-e185-series) (registry code 17014, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hidden Valley

## 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 19771218039939A](https://openairdocs.org/incident/19771218039939A), Dec 18, 1977: Navion NAVION/, Denton, TX, 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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