根据第13和15（d）节的年度报告

可变权益实体和权益投资以及股权方法投资，财务半岛体育app下载，资产负债表（详细半岛体育app下载）的进步时间表

v2.4.1.9
可变权益实体和权益投资以及股权方法投资，财务半岛体育app下载，资产负债表（详细半岛体育app下载）（$）的进步时间表
20129_20171
DEC。 31，2014
DEC。 31，2013
Dart Helicopter Services LLC [Member] 听 听
股权方法的时间表投资[行项目] 听 听
当前资产 $ 22,447us-gaap_equitymethodinvestmentsummarizedFi半岛体育app下载ncialInformationCurrentAssetssetsetssetsetsetssetsetsset
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER 		$ 19,231us-gaap_equitymethodinvestmentsummarizedFi半岛体育app下载ncialInformationCurrentAssetsetsetsetsetssetsetsetsetsset
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER
非电流资产 34,309us-gaap_equitymethodinvestmentsummarizedFi半岛体育app下载ncialInformationNonCurrentAssetssetsetssetssetsset
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER 		37,636us-gaap_equitymethodinvestmentsummarizedFi半岛体育app下载ncialInformationNoncurrentAssetssetssetsetsetssetssetsetss
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER
电流负债 4,386us-gaap_equitymethodinvestmentsummarizedFi半岛体育app下载ncialInformationCurrentLabilitions
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER 		8,613us-gaap_equitymethodinvestmentsummarizedFi半岛体育app下载ncialInformationCurrentlibilitions
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER
非电流负债 8,907us-gaap_eqequitymethodinvestmentsummarizedFi半岛体育app下载ncialInformationNonCurrentLabilitions
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER 		6,963us-gaap_equitymethodinvestmentsummarizedFi半岛体育app下载ncialInformationNoncurrentlibility
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER
其他投资[成员] 听 听
股权方法的时间表投资[行项目] 听 听
当前资产 1,151us-gaap_equitymethodinvestmentsummarizedFi半岛体育app下载ncialInformationCurrentAssetsetsetsetssetsetsetsetsset
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= us-gaap_otherinvestmentsmember 		4,378us-gaap_equitymethodinvestmentsummarizedFi半岛体育app下载ncialInformationCurrentAssetsetssetsetsetsetssetsetsetsset
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= us-gaap_otherinvestmentsmember
非电流资产 5,899us-gaap_equitymethodinevestmentsummarizedFi半岛体育app下载ncialInformationNoncurrentAssetssetssetssetssetsetssetsset
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= us-gaap_otherinvestmentsmember 		20,018us-gaap_equitymethodinvestmentsummarizedFi半岛体育app下载ncialInformationNonCurrentAssetssetsetssetssetsetssetssetsetsetsetss
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= us-gaap_otherinvestmentsmember
电流负债 465us-gaap_equitymethodinvestmentsummarizedFi半岛体育app下载ncialInformationCurrentLabilitions
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= us-gaap_otherinvestmentsmember 		2,789us-gaap_equitymethodinvestmentsummarizedFi半岛体育app下载ncialInformationCurrentlibilitions
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= us-gaap_otherinvestmentsmember
非电流负债 $ 4,298us-gaap_equitymethodinevestmentsummarizedFi半岛体育app下载ncialInformationNoncurrentlibility
/ us-gaap_scheduleofequitymethodinvestmentequitymethodinvestee半岛体育app下载meaxis
= us-gaap_otherinvestmentsmember 		$ 7,918us-gaap_equitymethodinevestmentsummarizedFi半岛体育app下载ncialInformationNonCurrentlibility
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育app下载meaxis
= us-gaap_otherinvestmentsmember