# Holdings

#### 1. Programming Holdings in the MCDU

Holdings can be defined manually or selected as part of a database procedure (e.g., an approach course reversal).

**Accessing the Holding Page**

There are two primary ways to access the **HOLDING PATTERN 1/1** page:

* Press the **NAV** function key -> **NAV INDEX 1/2** -> select **HOLD (LSK 5R)**.
* Alternatively, go to **NAV INDEX 2/2** -> **PATTERNS (LSK 3L)** -> **HOLD (LSK 1L)**.
* Once selected, the MCDU will display the **ACTIVE FLT PLAN** with **"\*HOLD\*"** in the scratchpad. The pilot must then select the desired line select key (LSK) adjacent to the intended holding fix.

**Editable Parameters and Fields**

*  **HOLD FIX (LSK 1L):** The name of the waypoint where the aircraft will hold.
*  **SPEED (LSK 1R):** The FMS commands a holding speed based on the following priority:
  1.  **Pilot-entered speed** (displayed in a **large cyan font**).
  2.  **Standard default** of **210 KIAS**.
*  **INBD CRS/DIR (LSK 3L):** Allows the pilot to set the inbound course and turn direction (L for Left, R for Right).
*  **LEG TIME / LEG DIST (LSK 2R/3R):** By default, leg time is **1.0 min below 14,000 ft** and **1.5 min at or above 14,000 ft**. If one value is edited (e.g., Distance), the FMS re-calculates the other (e.g., Time) based on a groundspeed model.

**Activation**

After defining the parameters, the pilot must select **INSERT/APPLY (LSK 6R)**. The holding pattern is then placed in a temporary flight plan (**MOD FLT PLAN**), which must be confirmed by selecting **ACTIVATE (LSK 6R)**.

#### 2. Holding Operations and Exiting

*  **Entry:** As the aircraft sequences the fix, the MCDU flight plan display changes the "FROM" waypoint to **"HOLDING"**.
*  **Exit:** One minute prior to arrival at the fix, an **EXIT prompt (LSK 6L)** appears on the MCDU.
  * If **EXIT** is pressed while in the hold, the FMS will guide the aircraft back to the fix, sequence it, and then resume the normal flight plan.
  * The prompt changes to **"EXITING HOLD"**. If the exit was premature, it can be reversed by selecting **RESUME HOLD**.


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