Electronic flight bag

[2] In addition, the EFB can host purpose-built software applications to automate other functions normally conducted by hand, such as take-off performance calculations.

[12] The Air Force Special Operations Command (AFSOC) purchased an initial supply of over 3,000 iPad-based EFBs which were launched in December 2011.

[14] The Air Force Special Operations Command internally developed a secure method of transferring the National Geo-Spatial Intelligence Agency's (NGA) monthly Flight Information Publications (FLIP) dataset to all its users worldwide.

[21] However, the purchase of iPad from AFSOC was cancelled in February 2012 due to security concerns, where Russian-made software procurement issues may cause potential risks to expose end users.

[2] Initially Type C applications were considered as subject to airworthiness requirements and as such must be developed in conformance with DO-178/ED-12 objectives and run on Class 3 EFB.

The UK Ministry of Defence takes the approach of clearing the airworthiness of EFB on specific aircraft types as 'Equipment Not Basic to Air System (ENBAS)' as described in Regulatory Article 1340.