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，财务信息，资产负债表（半岛体育登录入口）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，财务信息，资产负债表（半岛体育登录入口）（$）的进步时间表
数千，除非另有说明
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半岛体育登录入口ncialInformationCurrentAssetssetsetsetsetssetsetsetsetsetsetss
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER 		$ 19,231us-gaap_equitymethodinvestmentsummarizedFi半岛体育登录入口ncialInformationCurrentAssetssetsetsetsetsetssetsetset
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER
非电流资产 34,309us-gaap_equitymethodinvestmentsummarizedFi半岛体育登录入口ncialInformationNonCurrentAssetssetssetssetssetssetsset
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER 		37,636us-gaap_equitymethodinvestmentsummarizedFi半岛体育登录入口ncialInformationNonCurrentAssetssetsetssetssetsetssetsset
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER
电流负债 4,386us-gaap_equitymethodinvestmentsummarizedFi半岛体育登录入口ncialInformationCurrentlibility
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER 		8,613us-gaap_equitymethodinvestmentsummarizedFi半岛体育登录入口ncialInformationCurrentlibility
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER
非电流负债 8,907us-gaap_equitymethodinevestmentsummarizedFi半岛体育登录入口ncialInformationNonCurrentLabilitions
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= ERA_DARTHELICOPTRESERVICESLCMEMBER 		6,963us-gaap_equitymethodinevestmentsummarizedFi半岛体育登录入口ncialInformationNonCurrentlibilitions
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口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_eqequitymethodinvestmentsummarizedFi半岛体育登录入口ncialInformationCurrentAssetssetssetsetsetssetsetsetsetssetsset
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= us-gaap_otherinvestmentsmember 		4,378us-gaap_equitymethodinvestmentsummarizedFi半岛体育登录入口ncialInformationCurrentAssetsetsetsetsetssetsset
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= us-gaap_otherinvestmentsmember
非电流资产 5,899us-gaap_equitymethodinevestmentsummarizedFi半岛体育登录入口ncialInformationNonCurrentAssetssetsetsetssetssetsset
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= us-gaap_otherinvestmentsmember 		20,018us-gaap_equitymethodinvestmentsummarizedFi半岛体育登录入口ncialInformationNoncurrentAssetssetsetssetssetssetsset
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= us-gaap_otherinvestmentsmember
电流负债 465us-gaap_equitymethodinvestmentsummarizedFi半岛体育登录入口ncialInformationCurrentLabilitions
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= us-gaap_otherinvestmentsmember 		2,789us-gaap_equitymethodinvestmentsummarizedFi半岛体育登录入口ncialInformationCurrentLabilitions
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= us-gaap_otherinvestmentsmember
非电流负债 $ 4,298us-gaap_equitymethodinevestmentsummarizedFi半岛体育登录入口ncialInformationNonCurrentlibility
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= us-gaap_otherinvestmentsmember 		$ 7,918us-gaap_equitymethodinevestmentsummarizedFi半岛体育登录入口ncialInformationNoncurrentlibility
/ us-gaap_scheduleofequitymethodinevestmentequitymethodinvestee半岛体育登录入口meaxis
= us-gaap_otherinvestmentsmember