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Section 5 -Performance
This section is also organized by phase of flight (takeoff, enroute, and landing) and within these phases further divided into “normal” and “abnormal” sections.  Most data are presented in tabular form and pilots may interpolate as necessary.
CHECKLIST FORMATTING
General Checklist Flow
Checklists will be read from top-to-bottom, left-to-right.  Careful attention must be paid to indentation so that only the appropriate items are performed. You may be required to “skip” downward over nonapplicable steps or to move downward to a given location in the checklist.  You will not be directed to go upward in the checklist (although you may have occasion to reenter a checklist if conditions change).  You may be directed to cross reference another checklist.  If a checklist is “branched” (by an OR arrow), there will be more than one ending to that checklist.  Checklists must be continued until the flight crew reaches an end-of-procedure symbol (four centered asterisks).
Challenge and Response
Checklist challenges are presented on the left with responses on the right in capital letters.  A dotted line will separate challenges and responses.
Challenge .................................................................................... RESPONSE

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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