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1999 Stats
2000 Stats
2001 Stats
2002 Stats
2003 Stats
2004 Stats
2005 Stats
2006 Stats
2007 Stats
2008 Stats
2009 Stats
2010 Stats
2011 Stats
2012 Stats
1998 E & P FORUM WORLD-WIDE OIL INDUSTRY HELICOPTER OPERATIONS AND SAFETY REVIEW
1999 E & P FORUM WORLD-WIDE OIL INDUSTRY HELICOPTER OPERATIONS AND SAFETY REVIEW
2000 E & P FORUM WORLD-WIDE OIL INDUSTRY HELICOPTER OPERATIONS AND SAFETY REVIEW
2001 E & P FORUM WORLD-WIDE OIL INDUSTRY HELICOPTER OPERATIONS AND SAFETY REVIEW
HELICOPTER SAFETY ADVISORY CONFERENCE (HSAC) GULF OF MEXICO
2012 Gulf OF MEXICO OFFSHOR HELICOPTER
OPERATIONS AND SAFETY REVIEW
HSAC Members: April 2, 2013
Please find attached the Helicopter Safety Advisory Conference (HSAC) "2012 Gulf of Mexico (GoM) Offshore Helicopter Operations and Safety Review". The membership support and response from 13 helicopter operators for this review is not only appreciated, but vital in establishing a meaningful report.
The level of annual flying activity as remained almost constant for the last two years. The number of single engine helicopters continues a slow decline, while the number of twin engine continues to increase especially for heavy twins.
The average number of accidents per year in the GoM since 1984 has been 8.3 per year with the last 10 years averaging 7.3 per year, with 5 for 2012. The 2012 GoM oil industry helicopter accident rate per 100,000 flight hours was 1.58 with a total of 5 accidents compared to a 29-year annual average accident rate of 1.80. The fatal accident rate per 100,000 flight hours during 2012 was 0.63 compared to a 29-year average of 0.45.
In the last 5 years, there have been 20 accidents of which 4 were fatal (20%), resulting in 15 fatalities and 9 injuries. The leading causes, not all inclusive, of the accidents since 1999 have been:
- 21 engine related,
- 19 loss of control or improper procedures
- 17 helideck obstacle strikes
- 11 controlled flight into terrain, and
- 11 other technical failures
HSAC has published a number of Recommended Practices to address these issues and they can be reviewed at www.HSAC.org. We are optimistic that by widely and openly sharing this information with all operators and other oil industry groups that additional safety initiatives may be developed and implemented to further reduce accidents and incidents with an ultimate goal of zero events.
GULF OF MEXICO OFFSHORE HELICOPTER OPERATIONAL DATA SUMMARY
| YEAR |
NUMBERS by TYPE HELICOPTER |
PASSENGERS CARRIED |
HOURS FLOWN |
NUMBER OF FLIGHTS |
| SINGLE ENGINE |
LIGHT TWIN |
MEDIUM TWIN |
HEAVY TWIN |
TOTAL FLEET |
| 2008 |
365 |
49 |
107 |
30 |
551 |
2,936,772 |
410,321 |
1,245,770 |
| 2009 |
312 |
41 |
103 |
39 |
495 |
2,477,834 |
344,817 |
1,195,667 |
| 2010 |
314 |
43 |
103 |
23 |
483 |
2,330,527 |
334,067 |
938,690 |
| 2011 |
286 |
55 |
108 |
25 |
474 |
2,202,894 |
316,785 |
891,172 |
| 2012* |
275 |
67 |
111 |
44 |
497 |
2,278,780 |
316,685 |
894,439 |
* Data extracted from voluntary input of 13 helicopter operators in the Gulf of Mexico
GULF OF MEXICO OFFSHORE HELICOPTER OPERATIONAL DATA DETAILS
| YEAR |
HOURS by TYPE HELICOPTER |
OPERATIONS (Takeoff/Landings) by TYPE HELICOPTER |
| SINGLE ENGINE |
LIGHT TWIN |
MEDIUM TWIN |
HEAVY TWIN |
TOTAL FLEET |
SINGLE ENGINE |
LIGHT TWIN |
MEDIUM TWIN |
HEAVY TWIN) |
TOTAL FLEET |
| 2008 |
282,958 |
25,939 |
79,291 |
22,133 |
410,321 |
976,611 |
82,233 |
152,235 |
34,691 |
1,245,770 |
| 2009 |
240,507 |
23,878 |
62,195 |
18,237 |
344,817 |
957,756 |
87,771 |
117,438 |
32,702 |
1,195,667 |
| 2010 |
226,379 |
25,941 |
66,096 |
15,651 |
334,067 |
699,968 |
86,331 |
125,112 |
27,279 |
938,690 |
| 2011 |
205,354 |
27,412 |
67,976 |
16,043 |
316,785 |
636,058 |
92,762 |
131,368 |
30,984 |
891,172 |
| 2012 |
189,758 |
29,522 |
65,743 |
31,662 |
316,685 |
618,437 |
96,759 |
121,265 |
57,978 |
894,439 |
GULF OF MEXICO HELICOPTER FLEET OPERATIONAL DATA
| Averages Per Helicopter |
2010 |
2011 |
2012 |
| Passengers per Day per 5 Day Week |
8,964 |
8,473 |
8,762 |
| Flights Per Day |
2,572 |
2,442 |
2,451 |
| Average Flight Duration in Min. |
21 |
21 |
21 |
|
| Averages Per Helicopter |
2010 |
2011 |
2012 |
| Annual Hours Per Aircraft |
692 |
668 |
637 |
| Flights Per Aircraft |
1,941 |
1,880 |
1,800 |
| Passengers Flown Per Year |
4,825 |
4,647 |
4,584 |
|
As a service to the Helicopter Safety Advisory Conference (HSAC) membership, this Gulf of Mexico Offshore Helicopter Statistical Report is compiled annually from information submitted voluntarily by the membership and helicopter operators. The information is neither verified nor reviewed for accuracy and should be treated as unofficial. The data is believed to be representative; however, the HSAC assumes no liability for accuracy or completeness. -Dedicated to Safety Through Cooperation Since 1978-
2012 GULF OF MEXICO OFFSHORE HELCOPTER ACCIDENT DATA
| NUMBER OF ACCIDENTS |
INJURY CLASSIFICATION |
AIRCRAFT DAMAGES |
AVIATION ACCIDENT |
| Aircraft Category |
Occupant Type Severity |
Classification |
Rates |
Type
Aircraft |
# Accidents |
# Fatal |
# Eng
Related |
Pax |
Crew |
Injured |
Fatal |
Minor |
Substantial |
Total
Loss |
# Acc 100k
Hours |
# Fatal Acc
100k Hours |
# Fatal 1M Occupants |
# Acc 100k
Flt Stages |
| Single Eng. |
4 |
2 |
0 |
0 |
0 |
2 |
2 |
0 |
1 |
3 |
2.11 |
1.05 |
1.21 |
0.65 |
| Light Twin |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0.00 |
0.00 |
0.00 |
0.00 |
| Med. Twin |
1 |
0 |
1 |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
1.52 |
0.00 |
0.00 |
0.82 |
| Heavy Twin |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0.00 |
0.00 |
0.00 |
0.00 |
| 2012 Totals |
5 |
2 |
1 |
2 |
3 |
3 |
2 |
0 |
2 |
3 |
1.58 |
0.63 |
0.60 |
0.56 |
| 2011 Totals |
5/7* |
0 |
1/2* |
0 |
3 |
3 |
0 |
1/2* |
4/5* |
0 |
1.58/2.21* |
0.00 |
0.00 |
0.56/0.79* |
| 2012 GULF OF MEXICO OFFSHORE HELICOPTER ACCIDENT CAUSES/INFO |
| |
Power Loss, multi- cause |
Other |
Tie- down Proc. |
Loss Control or Improper Proced. |
Loose
Cargo |
Flight Into Terrain, Water (CFITW) |
Fuel
Mgmt |
Obstacle Strike |
Fuel
Qual |
Weather non- CFIT |
Unk |
Pax Control or HLO Proced. |
Helideck Design or Size Issues |
Fatalities Due To Engine Malf. |
| Helideck |
Other |
| |
Technical |
Pilot Procedure Related |
|
|
|
|
|
|
| Single Eng |
0 |
0 |
1 |
1 |
0 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Light Twin |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Med. Twin |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Hvy Twin |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| 2012 |
1 |
0 |
1 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| 99-2011 Ttls |
20 |
11 |
2 |
18 |
4 |
10 |
6 |
16 |
1 |
4 |
2 |
7 |
4 |
9 |
6 |
| FIVE YEAR GULF OF MEXICO OFFSHORE HELICOPTER ACCIDENT DATA |
| Number Of Accidents |
Injury Classification |
Aircraft Damages |
Aviation Accident |
| Aircraft Category |
Occupant Type |
Severity |
Classification |
Rates |
| Year |
# Accidents |
# Fatal |
# Eng
Related |
Pax |
Crew |
Injured |
Fatal |
Minor |
Substantial |
Total
Loss |
# Acc 100k
Hrs |
# Fatal Acc
100k Hrs |
# Fatal 1 M Occupants |
# Acc 100k
Flt Stages |
| 2008 |
2 |
1 |
0 |
4 |
1 |
0 |
5 |
1 |
0 |
1 |
0.49 |
0.24 |
1.14 |
0.16 |
| 2009 |
8 |
1 |
1 |
7 |
4 |
3 |
8 |
2 |
4 |
2 |
2.32 |
0.29 |
2.09 |
0.67 |
| 2010 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0.00 |
0.00 |
0.00 |
0.00 |
| 2011 |
5/7* |
0 |
1/2* |
0 |
3 |
3 |
0 |
1/2* |
4/5* |
0 |
1.58/2.21* |
0.00 |
0.00 |
0.56/0.79* |
| 2012 |
5 |
2 |
1 |
2 |
3 |
3 |
2 |
0 |
2 |
3 |
1.58 |
0.63 |
0.60 |
0.56 |
| 5 Yr. Avg. |
4.0 |
0.8 |
0.6 |
2.6 |
2.2 |
2.2 |
2.4 |
0.8 |
2.0 |
1.2 |
1.19 |
0.23 |
0.77 |
1.95 |
* Note - There were two (2) ditchings in 2011 –> 1 due to loss of power and 1 due to fuel management not recorded as accidents by NTSB. NTSB GoM accident and ditching incident data had these ditchings been classified as accidents (as is the case in most of the world) by the NTSB is shown in red text as the combined data inclusive of all accidents and ditchings.
RGW:2012 HSAC Report.doc 3 of 3 April 16, 2013
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