# NTSB NYC65F0094: Piper PA-17, N4584H, Laytonsville, MD, March 21, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 21, 1965
- Place: Laytonsville, MD · LAYTONSVILLE, MD
- Location: 39.2089° N, 77.1353° W: Placed by OpenAirDocs: center of Laytonsville, MD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.2089&lon=-77.1353&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 23, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 179455
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC65F0094
- Page: https://openairdocs.org/ntsb/NYC65F0094

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0445  65/3/21    LAYTONSVILLE MD     PIPER PA-17         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1700                    N4584H              PX-  0  0  0  DUAL                      AGE 32, 1473 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            5 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - DAVIS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: PARKED AIRCRAFT                           LANDING: ROLL
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        REMARKS- PARKED AIRCRAFT,ERCOUPE N99499, SUB. DAMAGE.
```

## Aircraft

- Registration: [N4584H](https://openairdocs.org/aircraft/N4584H), registered now, S/N 17-9, built 1948 (OpenAirDocs)
- Reported make and model: PIPER PA-17
- Registry model: [Piper PA-17](https://openairdocs.org/model/piper-pa-17) (registry code 7101702) (OpenAirDocs)
- Registry engine: [Continental A&C65 series](https://openairdocs.org/engine/continental-a-c65-series) (registry code 17003, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Davis

## Other investigations on N4584H (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 GAA17CA017](https://openairdocs.org/ntsb/GAA17CA017), Oct 6, 2016: Piper PA 17 (N4584H), Keene Valley, NY, substantial damage. Probable cause: The pilot's failure to use the proper hand propping procedures, resulting in a runaway airplane and an impact with trees.

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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