# Accident 20000317013279A: Hiller UH12B, Orlando, FL, March 17, 2000

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 17, 2000, 14:10 local time
- Place: Orlando, FL
- Airport: Orlando Sanford Airport
- Damage: No damage
- Operating rules: General operating rules (Part 91)
- Location: 28.7772° N, 81.2349° W: Placed by OpenAirDocs at ORLANDO SANFORD INTL (SFB), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=28.7772&lon=-81.2349&mi=10
- Aircraft: N5304V, a cancelled registration (https://openairdocs.org/deregistered/N5304V-2014-10-27) (OpenAirDocs)
- Registry model: Hiller UH-12B (registry code 4360110, https://openairdocs.org/model/hiller-uh-12b) (OpenAirDocs)
- Registry engine: Franklin 6V4 series (registry code 27033, https://openairdocs.org/engine/franklin-6v4-series) (OpenAirDocs)
- Reported make and model: HILLER UH12B
- NTSB investigation: [NTSB MIA00LA111](https://openairdocs.org/ntsb/MIA00LA111) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20000317013279A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23)PILOT SAID EXTREME VIBRATION CAUSED HIM TO LOSE CONTROL OF HIS HELICOPTER, RESULTING IN HARD LANDING. THE HELI HIT T/R FIRST THEN SLID APPROX 100 FT. THEN ROLLED ONTO ITS RIGHT SIDE. THERE WERE NO INDICATIONS OF ROTOR FAILURE PRIOR TO IMPACT. THE LEFT MAGNETO "P" LEAD WAS FOUND HANGING LOOSE. THERE WERE NO INDICATIONS THAT IT HAD BEEN KNOCKED LOOSE DURING THE IMPACT. PILOT STATED THAT HE HAD NO INDICATIONS OF POWER LOSS AND CONTROL CONTINUITY WAS ESTABLISHED AFTER THE IMPACT.

## The NTSB's investigation of this event (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 MIA00LA111](https://openairdocs.org/ntsb/MIA00LA111), Mar 17, 2000: Hiller UH-12B (N5304V), Sanford, FL, substantial damage. Probable cause: The pilot's improper collective and cyclic control usage during an emergency descent, following the onset of a 1 to 1 vibration for undetermined reasons, resulting in the helicopter landing hard and…

## Other reports on N5304V (1)

Matched to the same aircraft by N-number and date.

- [Accident 20040222031169A](https://openairdocs.org/incident/20040222031169A), Feb 22, 2004: Hiller UH12B (N5304V), Bradenton, FL, Substantial damage. (-23) On February 22, 2004, at 1140 EDT, a Hiller UH-12B, registered to danny bals, engine quit due to fuel depletion and auto rotated into panther park,…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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