MIA03LA104

NTSB accident investigation · Brantly B-2B · Lantana, FL · May 5, 2003

Accident · Minor injuriesLimited investigationFinal report
Date
May 5, 2003, 16:30 local (20:30 UTC)
Place
Lantana, FL
Injuries
2 minor
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N2141UBrantly B-2B
Weather
Visual (VMC) · Day
Status
Completed · report July 23, 2003
Report
Approved by Office Director
Parties
FAA FSDO
FAA report
20030505015059A
Case key
56955

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/owner's failure to maintain rotor rpm which resulted in a loss of control. Contributing factors were high gross weight and high density altitude.

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.

Loss of control - in flightTakeoff
Aircraft weight and balance - excessivePilot in commandFactor
Weather condition - high density altitudeFactor
Rotor rpm - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

The helicopter was hovering when it descended and collided with the ground. The pilot/owner stated that the accident occurred during an orientation flight, and as he took off, he had about 21 gallons of fuel on board. He said that along with the fuel and he and his passenger the helicopter was slightly over weight for the density altitude. He said that all they could do were some hovering maneuvers until enough fuel had been expended and the weight was reduced. He stated that he performed maneuvers while demonstrating how difficult it was to hold rotor rpm, and subsequently turned the helicopter controls over to the pilot-rated passenger, later taking control of the helicopter only when the crash was imminent. The pilot rated passenger stated that he met the pilot/owner of the accident helicopter on the day of the accident, and the pilot/owner invited him to go for a ride. He said he was seated in the left seat, and the pilot/owner was seated in the right seat, and that the pilot/owner was the one flying the helicopter. Information supplied by the pilot/owner showed that he had possessed a commercial rotorcraft certificate, and had accumulated a total of 139 rotorcraft flight hours in the same make and model as the accident helicopter. The pilot-rated passenger possessed a rotorcraft instructor rating and at the time of the accident, said he had a total of 950 total rotorcraft flight hours, of which 6 flight hours were in a Bell 206. The pilot rated passenger's remaining flight hours were in Robinson helicopters. The passenger stated that the accident flight was his first time in a Brantly helicopter.

Factual narrative

On May 5, 2003, about 1630 eastern daylight time, a Brantly B-2B, N2141U, registered to Wellness Advocates Inc., and operated by a private individual as a Title 14 CFR Part 91 personal flight, crashed in Lantana, Florida. Visual meteorological conditions prevailed, and no flight plan was filed. The commercial-rated pilot and one pilot-rated passenger received minor injuries, and the helicopter incurred substantial damage. The flight was originating at the time of the accident.

A witness stated that he was driving his truck eastbound on Lantana Road, along with his son, and he saw the helicopter as it was low and ascending slightly. He said he called his son's attention to the helicopter, noting that as it continued to maneuver, it appeared to be getting ready to land. Shortly thereafter he said he saw the helicopter "wallow" and move in an unusual manner, while descending in an area where there were obstacles to any safe landing, and at that time he knew that it was in trouble. As he continued to watch he said the helicopter rolled to the left and descended in a marshy area. The helicopter hit the water on its left side, and the main rotor blades broke. The witness said that while he was preparing to render aid, he observed two men emerge from the helicopter.

The pilot in command/owner stated that he had flown his helicopter to Lantana, Florida, with the intent of selling it. He further stated that the accident occurred during an orientation flight he was giving to his prospective buyer's flight instructor, as had been previously agreed upon, and that the buyer had told him that he was planning on having the flight instructor teach him to fly the helicopter. The pilot/owner estimated he had about 7 or 8 gallons of fuel on board upon arrival in Lantana, Florida, and said that prior to taking off on the accident flight he added 15 gallons. When his pilot-rated passenger (the flight instructor) arrived, the pilot/owner said he performed a thorough preflight, and noted that his passenger was heavier that the 150 pounds he had previously been told. The pilot in command/owner said that he was the pilot flying the helicopter, and as he took off, the helicopter was slightly above maximum gross weight for the density altitude, and pointed out to his passenger that all they could do were some hovering maneuvers until they burned off enough fuel to get the weight down. He stated that he performed maneuvers while demonstrating how difficult it was to hold rotor rpm, and subsequently turned the helicopter controls over to his passenger, and that his passenger was the pilot flying the helicopter just prior to him taking over after rotor rpm had decayed, and the crash was imminent.

The pilot-rated passenger stated that he met the owner of the accident helicopter on the day of the accident, and after walking around the helicopter and talking to the owner, the owner invited him to go for a ride. He said he was seated in the left seat, and the pilot/owner was seated in the right seat. He said the pilot/owner started the engine, and after some "preflight checks", maneuvered the helicopter into a hover and added that the pilot/owner was flying his helicopter at the time of the accident.

Information supplied by the pilot/owner showed that he had accumulated a total of 139 rotorcraft flight hours, all of which was in the same make and model as the accident helicopter. The pilot-rated passenger possessed a rotorcraft instructor rating and stated that at the time of the accident he possessed a total of 950 rotorcraft flight hours, of which 6 flight hours were in a Bell 206. His remaining flight hours were in Robinson helicopters. The passenger said that the accident flight was his first time in a Brantly helicopter.

Aircraft

Registration
N2141U
Reported as
Brantly B-2B
Category
Helicopter
Serial number
191
Airframe hours
3,337
Engine
Textron Lycoming IVO-360-A1A, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Wellness Associates Inc.
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 10, 2003 · 2 hours before
Departed
LNA · Lantana, FL
Airport
LNA · Lantana

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 · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
65
Injuries
Minor
Certificates
Airline transport, Flight instructor, Commercial, Flight engineer
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Right
Flight hours
28,000 total · 139 in this make and model · 7 in the last 90 days · 3 in the last 30 days · 2 in the last 24 hours
Role
Other flight crew
Injuries
Minor

Weather

Conditions
Visual (VMC) · Day
Wind
120° at 13 knots
Visibility
10 statute miles
Lowest ceiling
25,000 ft broken
Temperature
84 °F, dew point 73 °F
Altimeter
30.04 inHg
Observed at
PBI, 6 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.