for the last nine years , we have provided transportation services to government inspectors of offshore installations , drilling rigs and platforms . this contract was renewed in 2011 and is expected to run through september 2016. it is put out for bid every five years , and we intend to submit a bid to continue providing these services beyond the current expiration date . as of december 31 , 2015 , 25 of our helicopters were operating under this contract with customer options to increase the number to up to 29 helicopters . brazil is among the most important markets for offshore oil and gas exploration and production activity world-wide . the u.s. energy information administration has stated that recent discoveries of large offshore , pre-salt oil deposits could transform brazil into one of the larger oil producers in the world . we participate in this market through our consolidated joint venture , aeróleo . as of december 31 , 2015 , we had 16 helicopters in brazil dedicated to serving that market . we also provide search and rescue services in the u.s. gulf of mexico on a subscription basis . we currently have three aw139 helicopters configured for this service and several subscribers . dry-leasing . we enter into dry-lease arrangements for our helicopters to operators primarily located in international markets such as the north sea , spain and india . in many cases , the helicopters are contracted to local helicopter operators , which often prefer to lease helicopters rather than purchase them . dry-leasing affords us the opportunity to access new markets without significant initial infrastructure investment and generally without ongoing operating risk . 33 other activities and services . in order to diversify sources of our earnings and cash flow , we deploy a number of helicopters in support of other industries and activities , such as air medical services and flightseeing . in the years ended december 31 , 2015 , 2014 and 2013 , approximately 7 % , 9 % and 13 % of our operating revenues were generated by these other activities and services . in 2007 , we entered the air medical services market through the acquisition of the flight operations of keystone helicopter corporation . we now supply helicopters , pilots and mechanics to hospitals and manage helicopters on their behalf . we also provide alaska summer flightseeing tours and support inland utility operations in alaska such as firefighting , mining , power line and pipeline survey activities . we have also developed services for the helicopter industry that we believe complement our core activities . we hold a 50 % interest in dart , an international sales and manufacturing organization focused on after-market helicopter parts and accessories . we also hold a 50 % interest in era training , which provides classroom instruction , flight simulator , helicopter and other training to our employees and third parties . market outlook the offshore oil and gas market is highly cyclical with demand linked to the price of oil and gas . the prices of oil and gas are critical factors in our customers ' investment and spending decisions . the price of crude oil has declined significantly over the last 18 months primarily due to increased global supply of crude oil and a less optimistic forecast of worldwide economic growth . the decline in the price of oil has negatively impacted the cash flow of our customers and has led them to reduce capital and operational expenditures from prior levels , including saving on offshore exploration , development and production activities . although our customers typically base their capital expenditure budgets on their long-term commodity price expectations , many of our customers have significantly reduced capital spending plans and taken measures to reduce costs . we have experienced customer contract cancellations and decreased fleet utilization in the current environment as some of our customers in the united states have decreased the number of helicopters on contract or canceled their contract upon limited notice . moreover , even where such contractual cancellation rights may not exist , our customers have sought to cancel or renegotiate other terms and conditions in our contracts to address their current challenges . in addition , the current adverse economic conditions may increase the ongoing credit risk exposure with respect to the accounts receivable balances owed to us by our customers . based on our recent experience and discussions with our customers about their helicopter transport needs , we anticipate continued demand for our services , despite their near-term challenges . we generate a vast majority of our operating revenue from contracts supporting our oil and gas customers ' offshore production operations , which have long-term transportation requirements . the production business is typically less cyclical than the exploration and development business because production platforms remain in place over the long-term and are relatively unaffected by economic cycles , as the marginal cost of lifting a barrel of oil once a platform is in position is low . if there are further declines in the price of oil and gas , or if current price levels are maintained for an extended period , there could be a delay or cancellation of planned offshore projects impacting our operations in future periods . a substantial portion of our remaining oil and gas revenue comes from transporting personnel to and from offshore drilling rigs . deepwater activity continues to be a significant segment of the global offshore oil and gas markets and typically involves significant capital investment and multi-year development plans . such projects are generally underwritten by the oil and gas companies using relatively conservative assumptions relating to oil and gas prices . story_separator_special_tag gains on asset dispositions were $ 0.1 million lower in the current year . during the current year , we sold or otherwise disposed of 18 helicopters and other equipment for total consideration of $ 36.5 million , including cash proceeds of $ 25.3 million , resulting in gains of $ 5.2 million . in addition , we entered into a sales-type lease for two helicopters resulting in gains of $ 0.7 million . during the prior year , we sold three helicopters and other equipment for proceeds of $ 7.1 million and recognized gains of $ 6.1 million . goodwill impairment . we recorded a goodwill impairment of $ 1.9 million during the current year resulting from a decline in the price of crude oil and our stock price and a prolonged downturn in the oil and gas markets . operating income . operating income as a percentage of revenues was 8 % in the current year compared to 13 % in the prior year . excluding gains on asset dispositions discussed above , operating income as a percentage of revenues was 7 % in the current year compared to 11 % in the prior year . the decrease in operating income as a percentage of revenues was driven primarily by the decrease in operating revenues and the impairment of goodwill . interest income . interest income was $ 0.7 million higher primarily due to the consolidation of aeróleo and interest earned on sales-type leases . interest expense . interest expense was $ 1.3 million lower primarily due to increased capitalized interest and interest savings related to the repurchase of $ 50.2 million of our 7.750 % senior notes . derivative losses , net . derivative losses , net , were less than $ 0.1 million in the current year . unrealized derivative losses of $ 0.9 million in the prior year were primarily due to the revaluation to market of forward currency contracts . foreign currency gains ( losses ) , net . foreign currency losses of $ 2.6 million in the current year and $ 2.4 million in the prior year were primarily due to the strengthening of the u.s. dollar , resulting in losses on our euro denominated balances and realized losses on settled forward currency contracts . gain on debt extinguishment . gain on debt extinguishment was $ 1.6 million in the current year related to the repurchase of $ 50.2 million of our 7.750 % senior notes . gain on sale of fbo . net cash proceeds from the sale of the fbo were $ 14.3 million during the current year resulting in a pre-tax gain of $ 12.9 million . note receivable impairment . note receivable impairments were $ 2.5 million during the prior year related to a probable loss of a note receivable . income tax expense . income tax expense was $ 5.8 million higher in the current year primarily due to the write-off of a deferred tax asset related to the consolidation of aeróleo and a nonrecurring charge to deferred taxes related to the acquisition of and transfer of a helicopter to hauser . equity earnings ( losses ) , net of tax . equity losses , net of tax , were $ 1.9 million in the current year compared to equity earnings of $ 2.7 million in the prior year . the difference is primarily due to the sale in the prior year of our 51 % interest in lake palma for a gain of $ 1.5 million , net of tax , and the absence of earnings from lake palma of $ 0.5 million . in addition , we recorded losses from dart of $ 1.6 million in the current year compared to earnings of $ 0.9 million in the prior year . 39 year ended december 31 , 2014 compared with year ended december 31 , 2013 operating revenues . operating revenues were $ 32.3 million higher for the year ended december 31 , 2014 compared with the year ended december 31 , 2013. operating revenues from oil and gas operations in the u.s. gulf of mexico were $ 39.0 million higher in 2014. operating revenues from heavy helicopters were $ 26.7 million higher primarily due to our h225 helicopters operating for the full year in 2014 compared to a partial year in 2013. operating revenues from medium helicopters were $ 10.2 million higher primarily due to increased charter activity at higher rates . operating revenues from single engine helicopters were $ 1.1 million higher due to increased fleet count . miscellaneous revenues were $ 1.8 million higher due to increased rebillable expenses . operating revenues from light twin helicopters were $ 1.0 million lower due to a smaller fleet count . operating revenues from oil and gas operations in alaska were $ 8.3 million lower in 2014. operating revenues from medium helicopters were $ 7.8 million lower due to a smaller fleet count and reduced utilization . other revenues were $ 1.8 million lower due to reduced rebillable expenses . operating revenues from single engine helicopters were $ 1.2 million lower due to reduced utilization . operating revenues from light twin helicopters were $ 2.6 million higher primarily due to a larger fleet count and higher rates . operating revenues from international oil and gas operations were $ 1.7 million lower primarily due to reduced utilization . revenues from dry-leasing activities were $ 2.3 million lower primarily due to a $ 5.9 million decrease related to leases that ended subsequent to 2013 , of which $ 1.3 million related to helicopters that were subsequently sold . in addition , revenues were lower due to the recognition in 2013 of a $ 1.1 million early termination fee . these decreases were partially offset by increased revenues of $ 4.5 million from a customer in india , of which $ 1.7 million related to a change to accrual basis accounting for recognizing revenue from that customer . aeróleo

cash settlements on forward contracts were $ 1.1 million . net principal payments on notes due from third-parties and equity investees were $ 0.7 million . during the year ended december 31 , 2014 , net cash used in investing activities was $ 93.9 million primarily as follows : capital expenditures were $ 106.7 million , which consisted primarily of helicopter acquisitions , deposits on future helicopter deliveries and a base expansion project . proceeds from the disposition of property and equipment were $ 7.1 million . proceeds from the sale of interest in equity investees were $ 6.4 million . cash settlements on forward contracts were $ 1.5 million . net principal payments on notes due from third-parties and equity investees were $ 1.1 million . during the year ended december 31 , 2013 , net cash used in investing activities was $ 43.5 million primarily as follows : capital expenditures were $ 110.1 million , which consisted primarily of helicopter acquisitions . proceeds from the disposition of property and equipment were $ 65.2 million . net principal payments on notes receivable from third-parties and equity investees were $ 1.5 million . financing activities during the year ended december 31 , 2015 , net cash used in financing activities was $ 46.0 million primarily as follows : borrowings under our revolving credit facility were $ 60.0 million . net principal payments on short and long-term debt were $ 57.9 million . cash used for the repurchase of a portion of our 7.750 % senior notes was $ 46.9 million . cash used for the repurchase of treasury shares was $ 2.1 million . proceeds from share-based award plans were $ 1.1 million . during the year ended december 31 , 2014 , net cash provided by financing activities was $ 26.1 million primarily as follows : borrowings under our revolving credit facility were $ 30.0 million . net principal payments on long-term debt were $ 2.9 million . issuance costs related to our revolving credit facility were $ 2.4 million . proceeds from share-based award plans were $ 1.5 million .


 Write a concise suspicious activity report of the following text delimited by triple backquotes. Return your response as a formal report which covers the key points highlighting the location,dates,entity names and account holder information in chronological order of the text.
     ```cash settlements on forward contracts were $ 1.1 million . net principal payments on notes due from third-parties and equity investees were $ 0.7 million . during the year ended december 31 , 2014 , net cash used in investing activities was $ 93.9 million primarily as follows : capital expenditures were $ 106.7 million , which consisted primarily of helicopter acquisitions , deposits on future helicopter deliveries and a base expansion project . proceeds from the disposition of property and equipment were $ 7.1 million . proceeds from the sale of interest in equity investees were $ 6.4 million . cash settlements on forward contracts were $ 1.5 million . net principal payments on notes due from third-parties and equity investees were $ 1.1 million . during the year ended december 31 , 2013 , net cash used in investing activities was $ 43.5 million primarily as follows : capital expenditures were $ 110.1 million , which consisted primarily of helicopter acquisitions . proceeds from the disposition of property and equipment were $ 65.2 million . net principal payments on notes receivable from third-parties and equity investees were $ 1.5 million . financing activities during the year ended december 31 , 2015 , net cash used in financing activities was $ 46.0 million primarily as follows : borrowings under our revolving credit facility were $ 60.0 million . net principal payments on short and long-term debt were $ 57.9 million . cash used for the repurchase of a portion of our 7.750 % senior notes was $ 46.9 million . cash used for the repurchase of treasury shares was $ 2.1 million . proceeds from share-based award plans were $ 1.1 million . during the year ended december 31 , 2014 , net cash provided by financing activities was $ 26.1 million primarily as follows : borrowings under our revolving credit facility were $ 30.0 million . net principal payments on long-term debt were $ 2.9 million . issuance costs related to our revolving credit facility were $ 2.4 million . proceeds from share-based award plans were $ 1.5 million .
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 Suspicious Activity Report : for the last nine years , we have provided transportation services to government inspectors of offshore installations , drilling rigs and platforms . this contract was renewed in 2011 and is expected to run through september 2016. it is put out for bid every five years , and we intend to submit a bid to continue providing these services beyond the current expiration date . as of december 31 , 2015 , 25 of our helicopters were operating under this contract with customer options to increase the number to up to 29 helicopters . brazil is among the most important markets for offshore oil and gas exploration and production activity world-wide . the u.s. energy information administration has stated that recent discoveries of large offshore , pre-salt oil deposits could transform brazil into one of the larger oil producers in the world . we participate in this market through our consolidated joint venture , aeróleo . as of december 31 , 2015 , we had 16 helicopters in brazil dedicated to serving that market . we also provide search and rescue services in the u.s. gulf of mexico on a subscription basis . we currently have three aw139 helicopters configured for this service and several subscribers . dry-leasing . we enter into dry-lease arrangements for our helicopters to operators primarily located in international markets such as the north sea , spain and india . in many cases , the helicopters are contracted to local helicopter operators , which often prefer to lease helicopters rather than purchase them . dry-leasing affords us the opportunity to access new markets without significant initial infrastructure investment and generally without ongoing operating risk . 33 other activities and services . in order to diversify sources of our earnings and cash flow , we deploy a number of helicopters in support of other industries and activities , such as air medical services and flightseeing . in the years ended december 31 , 2015 , 2014 and 2013 , approximately 7 % , 9 % and 13 % of our operating revenues were generated by these other activities and services . in 2007 , we entered the air medical services market through the acquisition of the flight operations of keystone helicopter corporation . we now supply helicopters , pilots and mechanics to hospitals and manage helicopters on their behalf . we also provide alaska summer flightseeing tours and support inland utility operations in alaska such as firefighting , mining , power line and pipeline survey activities . we have also developed services for the helicopter industry that we believe complement our core activities . we hold a 50 % interest in dart , an international sales and manufacturing organization focused on after-market helicopter parts and accessories . we also hold a 50 % interest in era training , which provides classroom instruction , flight simulator , helicopter and other training to our employees and third parties . market outlook the offshore oil and gas market is highly cyclical with demand linked to the price of oil and gas . the prices of oil and gas are critical factors in our customers ' investment and spending decisions . the price of crude oil has declined significantly over the last 18 months primarily due to increased global supply of crude oil and a less optimistic forecast of worldwide economic growth . the decline in the price of oil has negatively impacted the cash flow of our customers and has led them to reduce capital and operational expenditures from prior levels , including saving on offshore exploration , development and production activities . although our customers typically base their capital expenditure budgets on their long-term commodity price expectations , many of our customers have significantly reduced capital spending plans and taken measures to reduce costs . we have experienced customer contract cancellations and decreased fleet utilization in the current environment as some of our customers in the united states have decreased the number of helicopters on contract or canceled their contract upon limited notice . moreover , even where such contractual cancellation rights may not exist , our customers have sought to cancel or renegotiate other terms and conditions in our contracts to address their current challenges . in addition , the current adverse economic conditions may increase the ongoing credit risk exposure with respect to the accounts receivable balances owed to us by our customers . based on our recent experience and discussions with our customers about their helicopter transport needs , we anticipate continued demand for our services , despite their near-term challenges . we generate a vast majority of our operating revenue from contracts supporting our oil and gas customers ' offshore production operations , which have long-term transportation requirements . the production business is typically less cyclical than the exploration and development business because production platforms remain in place over the long-term and are relatively unaffected by economic cycles , as the marginal cost of lifting a barrel of oil once a platform is in position is low . if there are further declines in the price of oil and gas , or if current price levels are maintained for an extended period , there could be a delay or cancellation of planned offshore projects impacting our operations in future periods . a substantial portion of our remaining oil and gas revenue comes from transporting personnel to and from offshore drilling rigs . deepwater activity continues to be a significant segment of the global offshore oil and gas markets and typically involves significant capital investment and multi-year development plans . such projects are generally underwritten by the oil and gas companies using relatively conservative assumptions relating to oil and gas prices . story_separator_special_tag gains on asset dispositions were $ 0.1 million lower in the current year . during the current year , we sold or otherwise disposed of 18 helicopters and other equipment for total consideration of $ 36.5 million , including cash proceeds of $ 25.3 million , resulting in gains of $ 5.2 million . in addition , we entered into a sales-type lease for two helicopters resulting in gains of $ 0.7 million . during the prior year , we sold three helicopters and other equipment for proceeds of $ 7.1 million and recognized gains of $ 6.1 million . goodwill impairment . we recorded a goodwill impairment of $ 1.9 million during the current year resulting from a decline in the price of crude oil and our stock price and a prolonged downturn in the oil and gas markets . operating income . operating income as a percentage of revenues was 8 % in the current year compared to 13 % in the prior year . excluding gains on asset dispositions discussed above , operating income as a percentage of revenues was 7 % in the current year compared to 11 % in the prior year . the decrease in operating income as a percentage of revenues was driven primarily by the decrease in operating revenues and the impairment of goodwill . interest income . interest income was $ 0.7 million higher primarily due to the consolidation of aeróleo and interest earned on sales-type leases . interest expense . interest expense was $ 1.3 million lower primarily due to increased capitalized interest and interest savings related to the repurchase of $ 50.2 million of our 7.750 % senior notes . derivative losses , net . derivative losses , net , were less than $ 0.1 million in the current year . unrealized derivative losses of $ 0.9 million in the prior year were primarily due to the revaluation to market of forward currency contracts . foreign currency gains ( losses ) , net . foreign currency losses of $ 2.6 million in the current year and $ 2.4 million in the prior year were primarily due to the strengthening of the u.s. dollar , resulting in losses on our euro denominated balances and realized losses on settled forward currency contracts . gain on debt extinguishment . gain on debt extinguishment was $ 1.6 million in the current year related to the repurchase of $ 50.2 million of our 7.750 % senior notes . gain on sale of fbo . net cash proceeds from the sale of the fbo were $ 14.3 million during the current year resulting in a pre-tax gain of $ 12.9 million . note receivable impairment . note receivable impairments were $ 2.5 million during the prior year related to a probable loss of a note receivable . income tax expense . income tax expense was $ 5.8 million higher in the current year primarily due to the write-off of a deferred tax asset related to the consolidation of aeróleo and a nonrecurring charge to deferred taxes related to the acquisition of and transfer of a helicopter to hauser . equity earnings ( losses ) , net of tax . equity losses , net of tax , were $ 1.9 million in the current year compared to equity earnings of $ 2.7 million in the prior year . the difference is primarily due to the sale in the prior year of our 51 % interest in lake palma for a gain of $ 1.5 million , net of tax , and the absence of earnings from lake palma of $ 0.5 million . in addition , we recorded losses from dart of $ 1.6 million in the current year compared to earnings of $ 0.9 million in the prior year . 39 year ended december 31 , 2014 compared with year ended december 31 , 2013 operating revenues . operating revenues were $ 32.3 million higher for the year ended december 31 , 2014 compared with the year ended december 31 , 2013. operating revenues from oil and gas operations in the u.s. gulf of mexico were $ 39.0 million higher in 2014. operating revenues from heavy helicopters were $ 26.7 million higher primarily due to our h225 helicopters operating for the full year in 2014 compared to a partial year in 2013. operating revenues from medium helicopters were $ 10.2 million higher primarily due to increased charter activity at higher rates . operating revenues from single engine helicopters were $ 1.1 million higher due to increased fleet count . miscellaneous revenues were $ 1.8 million higher due to increased rebillable expenses . operating revenues from light twin helicopters were $ 1.0 million lower due to a smaller fleet count . operating revenues from oil and gas operations in alaska were $ 8.3 million lower in 2014. operating revenues from medium helicopters were $ 7.8 million lower due to a smaller fleet count and reduced utilization . other revenues were $ 1.8 million lower due to reduced rebillable expenses . operating revenues from single engine helicopters were $ 1.2 million lower due to reduced utilization . operating revenues from light twin helicopters were $ 2.6 million higher primarily due to a larger fleet count and higher rates . operating revenues from international oil and gas operations were $ 1.7 million lower primarily due to reduced utilization . revenues from dry-leasing activities were $ 2.3 million lower primarily due to a $ 5.9 million decrease related to leases that ended subsequent to 2013 , of which $ 1.3 million related to helicopters that were subsequently sold . in addition , revenues were lower due to the recognition in 2013 of a $ 1.1 million early termination fee . these decreases were partially offset by increased revenues of $ 4.5 million from a customer in india , of which $ 1.7 million related to a change to accrual basis accounting for recognizing revenue from that customer . aeróleo

