FAR 117 A Generic Interpretation Understanding FAR Part

Disclaimer The documentation is provided “AS IS” and is solely intended to provide a

Module 2: Definitions to be applied Copyright © 2012 -2013 Understanding FAR 117 –

Basic Definitions Calendar day means a 24 -hour period from 0000 through 2359 using

Basic Definitions Scheduled means to appoint, assign, or designate for a fixed time. Sleep

Basic Definitions Window of Circadian Low (WOCL) Shall be based upon the FCM's reference

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FAR 117 A Generic Interpretation Understanding FAR Part 117 Flight and Duty Time Limitations and Rest Requirements: Flightcrew Members. Version 2. 0 Copyright © 2012 -2013 Understanding FAR 117 – A Generic Interpretation All rights reserved.

Disclaimer The documentation is provided “AS IS” and is solely intended to provide a general understanding of the author’s interpretation of the new FAA mandated FAR Regulations. The author makes no representations and disclaims any and all responsibility for the completeness or accuracy of the documentation. The author reserves the right, at his discretion, to change or modify the documentation as deemed appropriate. Copyright © 2012 -2017, Understanding FAR Part 117 – A Generic Interpretation. All rights reserved. Copyright © 2012 -2013 Understanding FAR 117 – A Generic Interpretation All rights reserved.

Basic Definitions Calendar day means a 24 -hour period from 0000 through 2359 using Coordinated Universal Time (UTC) or local time (Base time). Duty means any task that a flightcrew member performs as required by the certificate holder, including but not limited to flight duty period, flight duty, pre- and post-flight duties, administrative work, training, deadhead transportation, aircraft positioning on the ground, aircraft loading, and aircraft servicing. Report time means the time that the certificate holder requires a flightcrew member to report for an assignment. Rest period means a continuous period determined prospectively during which the flightcrew member is free from all restraint by the certificate holder, including freedom from present responsibility for work should the occasion arise. Copyright © 2012 -2013 Understanding FAR 117 – A Generic Interpretation All rights reserved.

Basic Definitions Scheduled means to appoint, assign, or designate for a fixed time. Sleep opportunity means a period of time when a crewmember is provided and allowed to be in a suitable accommodation to rest in. Suitable accommodation means a temperature-controlled facility with sound mitigation and the ability to control light that provides a flightcrew member with the ability to sleep either in a bed, bunk or in a chair that allows for flat or near flat sleeping position. Suitable accommodation only applies to ground facilities and does not apply to aircraft onboard rest facilities. Unforeseen operational circumstance means an unplanned event of insufficient duration to allow for adjustments to schedules, including unforecast weather, equipment malfunction, or air traffic delay that is not reasonably expected. Copyright © 2012 -2013 Understanding FAR 117 – A Generic Interpretation All rights reserved.

Basic Definitions Window of Circadian Low (WOCL) Shall be based upon the FCM's reference time zone (RTZ). Is between 02: 00 and 05: 59 (inclusive). Flight time retains the common definition found in FAR part 1: Commences when an aircraft moves under its own power for the purpose of flight and ends when the aircraft comes to rest after landing. Some certificate holders measure flight time from OUT time (UTC) to IN time (UTC), while others account for the time an aircraft is being towed, PUSH, the time from OUT to end of PUSH is not included in flight time calculations. Copyright © 2012 -2013 Understanding FAR 117 – A Generic Interpretation All rights reserved.