# NTSB NYC66F0363: Navion A, N4047K, Morrisville, PA, November 21, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 21, 1965
- Place: Morrisville, PA · MORRISVILLE, PA
- Location: 40.2076° N, 74.7803° W: Placed by OpenAirDocs: center of Morrisville, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.2076&lon=-74.7803&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report December 30, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 174597
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC66F0363
- Page: https://openairdocs.org/ntsb/NYC66F0363

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3353  65/11/21   MORRISVILLE PA      NAVION A            CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 46, 136
        TIME - 1600                    N4047K              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MORRISVILLE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO EXTEND LANDING GEAR
        FACTOR(S)
           AIRFRAME - LANDING GEAR: LANDING GEAR WARNING AND INDICATING COMPONENTS
        REMARKS- GEAR WARNING HORN INOPERATIVE.
```

## Aircraft

- Registration: [N4047K](https://openairdocs.org/aircraft/N4047K), registered now, S/N NAV-4-1047 (OpenAirDocs)
- Reported make and model: NAVION A
- Registry model: [Navion NAVION A](https://openairdocs.org/model/navion-navion-a) (registry code 6150104) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Morrisville

## Other investigations on N4047K (1)

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.

- [NTSB NYC07CA090](https://openairdocs.org/ntsb/NYC07CA090), Mar 31, 2007: Navion A (N4047K), Marlboro, MA, substantial damage. Probable cause: The pilot's failure to maintain a proper glidepath to the runway.

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.