# NTSB FTW65A0095: Hiller UH12B, N6448D, San Antonio, TX, March 29, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 29, 1965
- Place: San Antonio, TX · SAN ANTONIO, TX
- Location: 29.4241° N, 98.4936° W: Placed by OpenAirDocs: center of San Antonio, TX, within about 13 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=29.4241&lon=-98.4936&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 28, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 179800
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW65A0095
- Page: https://openairdocs.org/ntsb/FTW65A0095

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0114  65/3/29    SAN ANTONIO TEX     HILLER UH12B        CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1835                    N6448D              PX-  0  0  0  DUAL                      AGE 35, 255 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            142 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - HEDRICK AIR PARK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
```

## Aircraft

- Registration: [N6448D](https://openairdocs.org/deregistered/N6448D-2023-04-01), registration cancelled 2023-04-01, S/N 295, built 1959 (OpenAirDocs)
- Reported make and model: HILLER UH12B
- Registry model: [Hiller UH-12A](https://openairdocs.org/model/hiller-uh-12a) (registry code 4360104) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hedrick Air Park

## Other investigations on N6448D (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 FTW74DPD01](https://openairdocs.org/ntsb/FTW74DPD01), Jul 13, 1973: Hiller UH-12A (N6448D), Dublin, 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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