# Accident 19900911038949A: Hiller OH23G, Fort Pierce, FL, September 11, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 11, 1990, 10:39 local time
- Place: Fort Pierce, FL
- Airport: St Lucie County International
- Damage: Substantial damage
- Phase of flight: Pwr Off Vert Land/Autorotate
- Operating rules: General operating rules (Part 91)
- Location: 26.8499° N, 82.2795° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=26.8499&lon=-82.2795&mi=10
- Aircraft: N96168, a cancelled registration (https://openairdocs.org/deregistered/N96168-1998-07-29) (OpenAirDocs)
- Registry model: Hiller OH-23C (registry code 4360119, https://openairdocs.org/model/hiller-oh-23c) (OpenAirDocs)
- Reported make and model: HILLER OH23G
- Reported engine: FRNKLN 6VS335B
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 10,000 total, 1,000 in this make and model
- NTSB investigation: [NTSB MIA90LA182](https://openairdocs.org/ntsb/MIA90LA182) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900911038949A

## Narrative

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

LOST PARTIAL POWER ON LOW LEVEL,LOW RPM POWER RECOVERY. CHOPPED TAILBOOM LANDING. INLET MANIFOLD PACKING SEPARATED.

## 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 MIA90LA182](https://openairdocs.org/ntsb/MIA90LA182), Sep 11, 1990: Hiller OH-23C (N96168), Fort Pierce, FL, substantial damage. Probable cause: LOSS OF ENGINE POWER DUE TO SEPARATION OF THE PACKING SEAL WHICH SEALS THE DISTRIBUTION ZONE PIPE TO THE INLET MANIFOLD, FOR UNDETERMINED REASONS RESULTING IN A HARD LANDING.

## Other reports on N96168 (2)

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

- [Accident 19840822042909A](https://openairdocs.org/incident/19840822042909A), Aug 22, 1984: Hiller OH23G (N96168), Kindred, ND, Substantial damage. Inadvertently entered transational lift on flare for autorotation landing. Nosed up and tail rotor hit the ground.
- [Incident 19790304010079I](https://openairdocs.org/incident/19790304010079I), Mar 4, 1979: Hiller OH23G (N96168), Minot, ND, Minor damage. Pilot was turning aircraft into wind after maintenance runup and allowed tail rotor to strike parked 9412P

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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