SAFETY STATISTICS
1999 Stats

2000
HELICOPTER SAFETY ADVISORY CONFERENCE (HSAC) GULF OF MEXICO OFFSHORE HELICOPTER OPERATIONS AND SAFETY REVIEW


Gentlemen: April 18, 2001


Please find attached the Helicopter Safety Advisory Conference (HSAC) "2000 Gulf of Mexico Offshore Helicopter Operations and Safety Review". The membership support and response from 21 helicopter operators for this review is not only appreciated, but vital in establishing a meaningful report. Continued support is encouraged for the future.

The 2000 Gulf of Mexico oil industry helicopter accident rates per 100,000 hours was 2.04 with 9 accidents (all single engine) compared to the 16-year average of 6.9 accidents. The U.S. accident rates per 100,000 hours for all commercial helicopter operations was 3.76 and the fatal rate was 0.70, while the HSAC rates were 2.04 and 0.68 respectively. There were 3 fatal accidents with 3 fatalities (one caused by flight into water at night, one engine failure with apparent inability to maintain rotor RPM, and one remaining cause unknown).

In the last 4 years there have been 27 accidents resulting in 5 fatal accidents (18% fatal) with 6 fatalities. The leading causes of accidents have been 6 engine related (22%), 5 (18%) flight into terrain, water or obstacles, and 5 (18%) tail rotor malfunction with 5 accidents each (18%). Technical faults have accounted for 11 (40%) of these accidents. We are optimistic that by sharing this information with all operators and other oil industry group's safety initiatives may be developed to reduce accidents.

Bob Williams
Industry Liaison Committee Member


 

TYPE HELICOPTER

PASSENGERS  CARRIED

HOURS           FLOWN

NUMBER

OF    FLIGHTS

YEAR

SINGLE ENGINE

LIGHT TWIN 

MEDIUM TWIN     

HEAVY TWIN

TOTAL FLEET

 

 

 

1996

321

102

117

0

540

3,579,345

441,797

1,668,401

1997

380

114

131

11

636

3,759,642

471,513

1,705,629

1998

392

89

94

13

588

2,725,682

454,280

1,390,773

1999

413

81

93

14

601

2,664,848

392,712

1,459,781

2000*

385

76

106

15

581

3,451,511

441,908

1,394,679

*   Data extracted from voluntary input of 21 helicopter operators Gulf of Mexico

 

GULF OF MEXICO OFFSHORE HELICOPTER OPERATIONAL DATA DETAILS

 

HOURS PER TYPE HELICOPTER

OPERATIONS PER TYPE HELICOPTERS HELICOPTER

YEAR

SINGLE ENGINE

LIGHT TWIN

MEDIUM TWIN

HEAVY TWIN

TOTAL FLEET

SINGLE ENGINE

LIGHT TWIN

MEDIUM TWIN

HEAVY TWIN)

TOTAL FLEET

1997*

288,443

69,142

109,631

4,297

471,513

1,113,151

249,595

320,023

22,860

1,705,629

1998

303,434

54,509

88,470

7,867

454,280

1,025,105

183,133

167,255

15,280

1,390,773

1999

280,150

38,218

66,071

8,273

392,712

1,161,888

124,480

158,175

15,238

1,459,781

2000

316,029

38,126

79,736

8,016

441,908

1,051,160

134,035

192,289

17,197

1,394,679

* Detailed data for helicopter types not available prior to 1997

 

 

GULF OF MEXICO HELICOPTER FLEET OPERATIONAL DATA

Averages Per Helicopter

1998

1999

2000

 

Averages Per Helicopter

1998

1999

2000

Passengers per  Day per  5 Day Week

10,483

10,249

13,275

 

Annual Hours Per Aircraft

773

653

760

Flights Per Day

3,810

3,999

3,821

 

Flights Per Aircraft

2,365

2,429

2,399

Average Flight Duration in Min.

20

16

19

 

Passengers  Flown Per Year

4,636

4,434

5,936

 

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


 

                           2000 GULF OF MEXICO OFFSHORE HELCOPTER ACCIDENT DATA

NUMBER OF ACCIDENTS

INJURY CLASSIFICATION

AIRCRAFT DAMAGES

AVIATION ACCIDENT

 

Aircraft   Category

Injuries

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    100k Occupants

# Acc 100k Flt Stages

 

Single Eng.

9

3*

2

5

4

5

2

0

1

8

2.85

0.95

0.09

0.86

 

Light Twin

0

0

0

0

0

0

0

0

0

0

0.00

0.00

0.00

0.00

 

Med. Twin

0

0

0

0

0

0

0

0

0

0

0.00

0.00

0.00

0.00

 

Heavy Twin

0

0

0

0

0

0

0

0

0

0

0.00

0.00

0.00

0.00

 

2000 Totals

9

3*