MIA93LA032

NTSB accident investigation · Hiller UH-12C · New Smyrna Bch, FL · December 21, 1992

Accident · No injuriesLimited investigationFinal report
Date
December 21, 1992, 14:30 local (19:30 UTC)
Place
New Smyrna Bch, FL
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N38767Hiller UH-12C
Weather
Visual (VMC) · Day
Status
Completed · report September 14, 1993
Report
Approved by Office Director
FAA report
19921221052829A
Case key
33205

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilot-in-command's improper application of cyclic and collective pitch control during an autorotative landing.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Hard landingLanding - flare/touchdown
Emergency procedure - initiatedPilot in command(cfi)
Autorotation - simulatedPilot in command(cfi)
Flight controls - improper use ofPilot in command(cfi)Cause

Analysis

The commercial pilot/flight instructor (CFI) was demonstrating an autorotative landing to a commercial pilot who was receiving flight instruction. The CFI initiated the simulated emergency while on base leg. At about 75 feet AGL, the CFI conducted a deceleration and applied collective pitch at about 10 feet AGL, without leveling the helicopter with the cyclic control stick. The stinger, and tailrotor blades collided with the ground and separated from the helicopter along with the tailrotor gear box. The helicopter slid to the right and came to a complete stop on the skids in the grass.

Aircraft

Registration
N38767
Reported as
Hiller UH-12C
Category
Helicopter
Serial number
1037
Airframe hours
6,874
Engine
Franklin 6V4-200-C33, 200 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
Vintage Props & Jets Inc.
Registered owner
Vintage Props & Jets Inc.
Airworthiness certificate
Standard, Normal
Last inspection
Annual · November 19, 1992 · 20 hours before
Departed
34J
Airport
34J · New Smyrna Beach Muni

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
22
Certificates
Commercial, Flight instructor
Airplane ratings
Single-engine land, Multi-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Center
Flight hours
666 total · 40 in this make and model · 418 as pilot in command · 46 in the last 90 days · 21 in the last 30 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
20° at 7 knots
Lowest ceiling
None
Temperature
79 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N38767 · 1

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