# NTSB DEN84LA262: Hiller UH-12C, N96168, Kindred, ND, August 22, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 22, 1984, 09:15 local (14:15 UTC)
- Place: Kindred, ND
- Coordinates: 46.65097, -97.020835 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.6510&lon=-97.0208&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16464
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN84LA262
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16464/pdf
- Page: https://openairdocs.org/ntsb/DEN84LA262

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- In flight collision with terrain/water, descent
  - autorotation - simulated, pilot in command
  - flare - improper, pilot in command (cause)
  - lack of total experience in type of aircraft, pilot in command (contributing factor)
  - terrain condition - ground

## Analysis

THE PRACTICE AUTOROTATION TO TOUCHDOWN BEGAN AT 500 FT AGL. SHORTLY AFTER INITIATING THE FLARE THE TAIL ROTOR CONTACTED THE GROUND. THE PILOT WAS SCHEDULED FOR A PRIVATE PILOT HELICOPTER CHECK RIDE ON THE AFTERNOON OF THE ACCIDENT.

## Aircraft

- Registration: [N96168](https://openairdocs.org/deregistered/N96168-1998-07-29), registration cancelled 1998-07-29, S/N 554129 (OpenAirDocs)
- Reported make and model: HILLER UH-12C
- Registry model: [Hiller OH-23C](https://openairdocs.org/model/hiller-oh-23c) (registry code 4360119) (OpenAirDocs)
- Category: Helicopter
- Serial number: 55-4129
- Airframe hours: 3502
- Engines: FRANKLIN O-335-6D 200 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Heuer, Dan
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, May 2, 1984, 91 hours before
- Departed: 1ND3, KINDRED, ND
- Airport: 1ND3, Hamry

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 37; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: center; flight hours: 7,547 total, 38 in this make and model, 7,410 as pilot in command, 166 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 10° at 8 knots
- Visibility: 15 statute miles
- Lowest ceiling: 3,300 ft broken
- Temperature: 54 °F, dew point 45 °F
- Altimeter: 30.00 inHg
- Observed at: FAR, 29 nm away

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19840822042909A](https://openairdocs.org/incident/19840822042909A), Aug 22, 1984: Hiller OH23G, Kindred, ND, Substantial damage. Inadvertently entered transational lift on flare for autorotation landing. Nosed up and tail rotor hit the ground.

## Other investigations on N96168 (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.

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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