# NTSB UNK65X0357: Helisoar HP10, N4601G, Waitsfield, VT, October 21, 1964

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 21, 1964
- Place: Waitsfield, VT · WAITSFIELD, VT
- Location: 44.1835° N, 72.8343° W: Placed by OpenAirDocs: center of Waitsfield, VT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.1835&lon=-72.8343&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report November 27, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 180860
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0357
- Page: https://openairdocs.org/ntsb/UNK65X0357

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3276  64/10/21   WAITSFIELD VT       HELISOAR HP10       CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 34, 3000
        TIME - 1705                    N4601G              PX-  0  0  0  DEMONSTRATION             TOTAL HOURS, 0 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - ESTEY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: FINAL APPROACH
           COLLIDED WITH: TREES                                     LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
        FACTOR(S)
           PILOT IN COMMAND - MISUSED OR FAILED TO USE FLAPS
```

## Aircraft

- Registration: [N4601G](https://openairdocs.org/deregistered/N4601G-1970-08-18), registration cancelled 1970-08-18, S/N 102 (OpenAirDocs)
- Reported make and model: HELISOAR HP10
- Registry model: [Helisoar HP-10](https://openairdocs.org/model/helisoar-hp-10) (registry code 4310102) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: Estey

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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