Explanations on the Rotation Details
The following example of a typical short-haul rotation should enable you to understand the abbreviations in
the Rotation Details.
kapers highly recommends to print the Rotation Details before each flight rotation and to have them at hand
in case of irregularities. At the same time kapers also suggests to always check the Rotation Details upon
arrival in Zurich – especially on short-haul rotations with delays.
REP
Reporting Time (check-in time at homebase)
At outstations the reporting time is always 1h before departure time.
FDP
Flight Duty Period
The time period between reporting time (REP) and block-on at the final destination
or last leg of a series of flights (always in local time).
DP
Duty Period
The time period which starts when a CCM is required to report for duty (REP) and
ends 30min after block on (post-flight duty time 30min per duty day).
Example:
Flight Duty Period
+ Postflight Duty
= Duty Period
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17:51
:60 (30min per flight duty day)
18:51
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MFDP
Maximum Flight Duty Period
Varies between short-haul and long-haul (depends also on crew rest facilities).
Time period between reporting time (REP) and block-on at the final destination or
last leg of a series of flights (always in local time).
Limits:
Short-haul:
Charter (less than 1/3 night duty):
Charter (more than 1/3 night duty):
11.30h
13.15h
12.30h
Long-haul without crew rest facilities (less than 1/3 night duty):
Long-haul without crew rest facilities (more than 1/3 night duty):
Long-haul with 30% crew rest Facilities
Exception: A330
Long-haul aircraft with 50% crew rest facilities
11.30h
09.30h
11.30h
12.30h
15.30h
BLT
Block Time
The time period between blocks off and blocks on.
RP
Rest Period
An uninterrupted and defined period of time whereas a CCM is free from all duties
and airport standby.
The rest starts at end of duty (block on time of last leg plus 30min post-flight duty)
and ends at the beginning of the next duty (REP).
The Rest Period (RP) may never be shorter than the Minimum Rest Period (MRP).
MRP
Minimum Rest Period
Calculation for short-haul operations is based on the length of FDP plus post-flight
duty and the Transition Time at the destination.
The Rest Period (RP) may never be shorter than the Minimum Rest Period (MRP) /
Basic Sleep Time.
Example:
Flight Duty Period
+ Post Flight Duty
+ Transition Time LHR
= Minimum Rest Period
8:03
:30
2:40
11:13
 the Minimum Rest Period (MRP) for long-haul operations is calculated with the
formula which can be found in the FDR . Note: may never be less than the Basic
Sleep Time.
./.
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In all cases, regardless of the strain calculation, a minimum basic sleep time must be
granted as follows:
At the homebase
Up to 12 hours duty (11.30h flight duty)
Up to 14 hours duty (13.30h flight duty)
More than 14 hours duty
min. 10hours
8 hours
10 hours
12 hours
 In case of daily irregularities (delay, technical problems, etc) the Minimum Rest
Period (MRP) may be shortened as follows:
Short-haul:
The Basic Sleep Time must be granted under all circumstances; if the Rest Period
(RP) is higher than the Basic Sleep Time based on strain values, the Minimum Rest
Period (MRP) can be reduced by a total of a maximum of 1 hour. The CCM must
agree to the reduction!
Long-haul:
Once per rotation, down to the basic sleep time; if a second reduction is required,
only the strain value exceeding the basic sleep time may be reduced by up to 50%.
General rule: the basic sleep time may never be reduced, not even in case of a daily
irregularity!
Transition Time
The Transition Time is a fix defined time which is designated for transportation
to/from hotel/airport and hotel check-in procedures; the time varies for all
destinations and can be found in the respective I.C.B.
Please note that the above explanations are an excerpt from the FDR.
For more detailed information please consult the FDR, the FDR pocket guide and/or contact the kapers
Operation / Security committee.
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