A comma or ampersand (&) in a response indicates a combined response where more than one item must be verified to indicate compliance with the challenge.
Challenge......................................................RESPONSE A, RESPONSE B
A slash (/) between multiple responses indicates a choice of responses where only one of the choices is appropriate.
Challenge .....................................................RESPONSE A / RESPONSE B
Dual response checklist steps require both the Captain and First Officer to respond to a given challenge. Dual response checklist steps are indicated by C+F in the center of the line.
O2 Mask, Regulator........................C+F............................CKD, SET, 100%
Note: Emergency and Abnormal checklists may still indicate dual response
items in the previous format (C, F), on the response side of the
checklist step, and not in red. These will be updated in normal
revision cycles.
Oxygen .........................................................CHECKED, SET, 100% (C, F)
Conditional (IF) Statements
In situations where particular steps within a procedure need be performed only if a qualifying condition exists, these steps will be preceded by an IF statement. This device indicates that the person reading the checklist must determine if the condition applies and if so, perform the items immediately below. Multiple steps may be contained in a single-line box to visually group the conditional items. If the condition does not apply, the steps immediately below the IF statement (including all steps contained in a single-line box) should be skipped.
IF Condition A Applies:
Perform................................................................................ THIS ITEM
IF Condition B Applies:
Perform................................................................................ THIS ITEM
OR Arrows
This device connects conditional items or groups of items which are mutually exclusive. This will indicate to the pilot that only one of the connected procedures should be performed and all others ignored. This device in effect “branches” the checklist and will result with more than one ending to the procedure.
IF Condition A Applies:
Perform...........................................................................THIS ITEM
OR
* * * *
IF Condition B Applies:
Perform...........................................................................THIS ITEM
* * * *
Continue Checklist At ... Statements
If it is necessary to move from one point in a checklist, skip over one or more steps, and re-enter the checklist at another point further down the checklist, this device may be used. You would proceed from that point downward until encountering the appropriate numeric symbol which will be found on the left side of the margin.
IF Condition A Applies:
IF Condition B Applies:
. Perform...........................................................................THIS ITEM
* * * *
The presence of the . next to the above step does not indicate that this step is only to be performed if Condition C applies. Note that this item would be accomplished whether Condition C or Condition B applies.
Phase Lines
A dashed line on either side of a condition statement in a procedure indicates that the crew may delay the performance of the procedure at that point. This is normally used to provide better “pacing” of a procedure. The crewmember reading the checklist is responsible for ensuring that the checklist is resumed at the appropriate time.
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