MIA84FA058

NTSB accident investigation · Hiller UH-12C · San Juan, PR · January 12, 1984

Accident · FatalField investigationFinal report
Date
January 12, 1984, 12:30 local (16:30 UTC)
Place
San Juan, PR
Injuries
1 fatal, 1 uninjured
Damage
No damage
Phase of flight
Maneuvering
Aircraft
N5317VHiller UH-12C
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840112028009A
Case key
30964

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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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.

Miscellaneous/otherHover
Procedures/directives - not followedPilot in command
Planning/decision - improperPilot in commandCause
Planning/decision - improperPassengerCause

Analysis

A performer fell from a trapeze rigged below the helicopter while it was hovering at about 150 ft AGL. The FAA had not authorized the modification to the acft. The plt was not certified for external load operations. The performer reportedly had not done this act before and was not in excellent physical condition.

Aircraft

Registration
N5317V
Reported as
Hiller UH-12C
Category
Helicopter
Serial number
768
Airframe hours
1,572
Engine
Franklin VO-335, 250 horsepower, reciprocating
Damage
No damage
Flight
Part 91
Operator
Hector Gratacos
Registered owner
Aero-Med Express
Airworthiness certificate
Standard, Normal
Last inspection
Annual · May 14, 1983 · 20 hours before

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
50
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Center
Flight hours
1,450 total · 609 in this make and model · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
80° at 12 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
82 °F, dew point 72 °F
Altimeter
29.00 inHg
Observed at
SJU, 8 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.

Other investigations on N5317V · 3

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