ERA12LA210

NTSB accident investigation · Bell 206B · Titusville, FL · March 6, 2012

Accident · Minor injuriesLimited investigationFinal report
Date
March 6, 2012, 09:30 local (14:30 UTC)
Place
Titusville, FL
Injuries
3 minor
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N83APBell 206B
Defining event
Takeoff: Dynamic rollover
Weather
Visual (VMC) · Day
Status
Completed · report October 15, 2012
Report
Approved by Office Director
NTSB office
Eastern Region Aviation
Parties
FAA/FSDO
FAA report
20120306002859A
Case key
83049

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

On this page

Probable cause

The flight instructor's attempted takeoff in gusting wind conditions while the student pilot was adjusting her anti-torque pedals, which resulted in a dynamic rollover event.

Findings · 4

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Performance/control parameters: lateral/bank controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedBell 206B: 7 casesAll aircraft: 390 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotBell 206B: 45 casesAll aircraft: 9,295 casesProbable cause
Action: incorrect action performancePersonnel issues › Action/decision · PilotBell 206B: 11 casesAll aircraft: 1,386 casesProbable cause
Wind: gustsEnvironmental issues › Conditions/weather/phenomena · Effect on operationBell 206B: 4 casesAll aircraft: 1,199 cases

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

After landing the helicopter at a local training area so two students could switch seats, the flight instructor initiated a takeoff. The wind was 28 knots, gusting up to 40 knots, and the takeoff area was adjacent to a line of trees. When the flight instructor raised the collective, the helicopter immediately rolled to the right. The instructor attempted to stop the roll with opposite cyclic; however, this was unsuccessful and the helicopter came to rest inverted. The instructor shut down the engine, and he and the students exited the helicopter. Postaccident examination revealed that the student in the right cockpit seat was still adjusting her anti-torque pedals when the takeoff began. The operator reported no mechanical malfunctions or anomalies that would have precluded normal operation. The accident sequence was consistent with a "dynamic rollover" scenario.

Factual narrative

On March 6, 2012, about 0930 eastern standard time, a Bell 206B, N83AP, was substantially damaged during takeoff from a helicopter training area near Titusville, Florida. The certified flight instructor (CFI) and two non-certificated student pilots sustained minor injuries. The helicopter was registered to a corporation and operated by Bristow Academy under the provisions of 14 Code of Federal Regulations Part 91 as an instructional flight. Visual meteorological conditions prevailed and a company visual flight rules flight plan was filed and active. The local flight originated at Space Coast Regional Airport (TIX), Titusville, Florida, at 0810. According to the CFI, he was in the lead helicopter of a flight of four, conducting a check ride with the 2 students. The flight landed at Echo Training Area, where the students switched seats. During the next takeoff, with the CFI at the controls, the helicopter rolled to the right immediately as the collective was raised. He attempted to arrest the roll with opposite cyclic, however the helicopter continued to roll over and came to rest inverted. After the helicopter became inverted, he turned off the fuel valve in order to shut down the engine. An inspector with the Federal Aviation Administration responded to the accident site and examined the wreckage. He reported that the main rotor blades separated from the hub and the tail boom fractured. He also reported that the student in the right cockpit seat was still adjusting her anti-torque pedals with her feet as the CFI initiated the takeoff. The takeoff area was also adjacent to a line of trees. The weather conditions at 0950 at Space Coast Regional Airport (TIX), Titusville, Florida, included winds from 070 degrees at 28 knots, with gusts to 40 knots. TIX was located about 6 nautical miles northeast of the accident site.

Aircraft

Registration
N83AP
Reported as
Bell 206B
Category
Helicopter
Serial number
4439
Airframe hours
459
Engine
Rolls Royce 250-C20J, 400 horsepower, turbo shaft
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
Bristow Academy
Registered owner
Gm Leasing Co LLC
Airworthiness certificate
Standard, Normal
Last inspection
Annual · February 13, 2012 · 66 hours before
Departed
TIX · Titusville, FL
Destination
TIX · Titusville, FL
Flight plan
Company VFR
Airport
Training Area Echo

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
Flight instructor
Age
37
Injuries
Minor
Certificates
Flight instructor, Commercial
Instrument ratings
Helicopter
Medical
Class 2, Without waivers/limitations
Last flight review
January 26, 2012
Seat
Left
Flight hours
1,894 total · 300 in this make and model · 1,600 as pilot in command · 95 in the last 90 days · 49 in the last 30 days · 5 in the last 24 hours
Role
Student pilot
Age
28
Injuries
Minor
Seat
Right

Weather

Conditions
Visual (VMC) · Day
Wind
70° at 28 knots, gusting 40
Visibility
7 statute miles
Lowest ceiling
None
Observed at
TIX

Docket · 8

The files NTSB released with the investigation on August 9, 2012, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.4 MB in all.

FAA reports on this event · 1

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