SCAA OPS 51A Generic Interpretation
Understanding SCAA OPS 51
Flight and Duty Time Limitations and Rest Requirements.
Version 1.1
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Disclaimer
Copyright © 2012-2016 Understanding SCAA OPS 51 – A Generic Interpretation All rights reserved.
The documentation is provided “AS IS” and is solely intended to provide a general understanding of the author’s interpretation of the new SCAA OPS 51 as amended on 23-Feb-2012.
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 © 2014-2016, Understanding SCAA OPS 51 – A Generic Interpretation. All rights reserved.
Module 5:
Application of Regulations:All Crew Complements
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SCAA OPS 51 (B)15Aircraft commander’s discretion
to extend a flying duty period:Before Take-off:
• The maximum anticipated extension for standard flight crew and standard cabin crew is 2 hours (2:00) above the scheduled FDP limits in SCAA OPS 51 (B)10.
• The maximum anticipated extension for augmented flight crew and augmented cabin crew is 2 hours (2:00) above the scheduled FDP limits in SCAA OPS 51 (B)12.
After Take-off:• May continue as long as necessary to land at the next
Destination / Alternate Aerodrome.
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Example:
Maximum Anticipated FDP Extensions in RED.
SCAA OPS 51 (B)15Aircraft commander’s discretion
to extend a flying duty period:
Report
800 ELAPSED MAX MAX EXT
FLT DEP AR
R BLOCK FDP DUT
YSK
FDPSK
FDPCMD EXT
1 BRU 900 NCE 1045 145 245 245 1300 1400 1500
2 NCE
1115 BRU 1300 145 500 500 1300 1400 1500
3 BRU
1330 FRA 1430 100 630 630 1230 1330 1430
4 FRA 1500 BRU 1600 100 800 800 1200 1300 1400
Acclimated Standard Crew
Total 530 800 Release 1630 2030 2130 2230
Duty Time 930 1230 1330 1430Required Rest
After DP 1200 1230 1530 1430
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SCAA OPS 51 (B)18Absolute Limits on Flying Hours
Cumulative Flight Time :• 100 hours of flight time in any 28 consecutive days; • 900 hours of flight time in any 12 consecutive calendar months.
Cumulative Duty Time:• 55 Scheduled duty hours in any 7 consecutive days;• 60 Actual duty hours in any 7 consecutive days;• 95 duty hours in any 14 consecutive days; • 190 duty hours in any 28 consecutive days;
Lookback is from arrival time of leg or Midnight.
Lookback is from release time of duty or Midnight.
Two Checks when Leg/Duty crosses Midnight (Base Time).
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SCAA OPS 51 (B)14Rest Period:
Basic Rest Requirements:• Rest At Base:
• If the preceding duty period, which includes any time spent on positioning, exceeded 8 hours, then the ensuing rest period must include a local night.
• After being called out from a standby duty the length of minimum rest shall be determined by the length of standby duty, plus any time spent on positioning, and any FDP completed.
Rest At Base
ConditionRequired Rest before
Reduced Rest
Compensatory Rest
Preceding Duty period is greater than 12:00
Length of Preceding
Duty Period
12:00
Required rest period only – may not be
reduced when FDP has been
extendedPreceding
Duty is less than 12:00
12:00Not
permitted
Not applicable
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Basic Rest Requirements:• Rest Away From Base:
• If the preceding duty period, which includes any time spent on positioning, exceeded 8 hours, then the ensuing rest period must include a local night.
• After being called out from a standby duty the length of minimum rest shall be determined by the length of standby duty, plus any time spent on positioning, and any FDP completed.
Rest Away From Base
ConditionRequired Rest before
Reduced Rest
Compensatory Rest
Minimum time in Suitable
Accommodation
Preceding Duty
period is greater
than 12:00
Length of
Preceding Duty Period
Not permitted Not applicable 10:00
Preceding Duty is
less than 12:00
12:00 11:00
Required rest period only – may not be
reduced when FDP has been
extended
10:00
SCAA OPS 51 (B)14Rest Period:
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1 2 3 4 5 6 7 8 9
7 day lookback from end of Duty Period- illegal
Duty Period
Rest Period FDP
From the scheduled release of a duty period, looking back 7 calendar days, a single day free of duty (AT BASE) which includes two local nights rest (LNR)
must be found within the same 7 calendar day period.
7 day lookback from end of Duty Period- illegal
LNR
SDFD
7 day lookback from end of Duty Period - legal
SCAA OPS 51 (B)17Single Day Free of Duty
LNR
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1 2 3 4 5 6 7 8 9
14 day lookback from end of Duty Period- illegal
Duty Period
Rest Period FDP
From the release of a duty period, looking back 14 calendar days, a two days free of duty (AT BASE) which includes three local nights rest (LNR)
must be found within the same 14 calendar day period.
14 day lookback from end of Duty Period- illegal
TDFD
14 day lookback from end of Duty Period - legal
SCAA OPS 51 (B)17Two Days Free of Duty
10 11 12 13 14 15
LNR
16
SDFD
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SCAA OPS 51 (B)17Seven Days Free of Duty
A Crew member must be able to lookback 28 calendar days and find a total of 7 days free of duty.
A Crew member must be able to lookback 84 calendar days and find a total of 24 days free of duty.
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SCAA OPS 51 (B)7Delayed Reporting Time in a Single FDP
Amount of Notification FDP Limits Based ON FDP
Start Time
>= 10 hours Revised FDP Start Revised FDP Start
>= 4 hours and < 10 hours
Is the more limiting of: Original FDP Start Revised FDP Start
Original FDP Start Time plus 4:00
< 4 hours Original FDP Start Original FDP Start
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SCAA OPS 51 (B)9 Airport Standby (ASB)
Airport Standby (ASB)
Report of ASB
Arrive Time
FDP
Report of FDP
Duty Time
Airport Standby (ASB)
Report of ASB
Duty TimeRelease of ASB
Rest Period
ASB that does not lead to an FDP.
ASB that leads to an FDP.
1. FDP is considered to start at start of ASB.2. A CM assigned to an ASB that does not
lead to a FDP must be released into a rest period no less than 12:00.
3. The maximum time a CM may serve on ASB is 12:00.
4. All time on ASB/Combined ASB & FDP counts towards the Cumulative Duty Limitations under SCAA OPS 51 (B)19.
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SCAA OPS 51 (B)9Standby (SBY)
Standby (SBY)
Start of SBY
Arrive Time
FDP
Report of FDP
SBYTime
Standby (SBY)
Start of SBY SBY Time
Release of SBY
Rest Period
SBY that does not lead to an FDP. SBY that leads to an FDP.
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1. A CM assigned to an SBY that does not lead to a FDP must be released into a rest period no less than 12:00.2. The maximum time a CM may serve on SBY is 12:00.3. FDP is considered to start at start of FDP when a CM is assigned to report for an FDP.4. The FDP assigned to a CM on SBY for less than 6:00 will be:
a. limited to the FDP limits as defined in SCAA OPS 51 (B)10 b. FDP starts at report time of the FDP
5. The FDP assigned to a CM on SBY for 6:00 or more will be:a. Limited to the more limiting of
i. the FDP limits in SCAA OPS 51 (B)10 using the SBY start timeii. the FDP limits in SCAA OPS 51 (B)10 using the FDP start time reduced by the amount of SBY time in excess of
6:00b. A SBY undertaken during the period from 20:00 to 06:00 and with less than 2:00 time from Time of Notification
to Start of the FDP will be:i. Limited to the FDP limits in SCAA OPS 51 (B)10 using the FDP start time
SCAA OPS 51 (B)9 Contactable
1. The minimum time from the time a CM is notified until the CM is required to report for a FDP/ASB/SBY is 10:00.
2. The time a CM serves on CP is not regarded as Rest for the purposes of Day off requirements and rest requirements.
Copyright © 2012-2016 Understanding SCAA OPS 51 – A Generic Interpretation All rights reserved.
SCAA OPS 51A Generic Interpretation
Understanding SCAA OPS 51
Flight and Duty Time Limitations and Rest Requirements.
Version 1.1
Copyright © 2012-2016 Understanding SCAA OPS 51 – A Generic Interpretation All rights reserved.