> ## Documentation Index
> Fetch the complete documentation index at: https://www.narev.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Taxi

## Before Taxi

Enter this procedure after completion of the engine-start sequence and verification of the applicable engine-running condition. The start-lever IDLE check confirms the completed configuration; it does not replace the N2-gated fuel-admission steps in Engine Start.

Complete generator, heat, air-system and start-switch selections. Verify ground equipment clear, the assigned takeoff flap configuration and the required flight-control check before taxi movement. Use the assigned taxi route and steering/braking procedure.

**1. Generators 1 and 2 — ON**

After completion of the engine-start procedure, select generators 1 and 2 ON. Verify the required generator and bus indications.

**2. Probe heat — ON**

Apply the checklist’s literal OFF or ON requirement to all applicable probe heat systems for the configured aircraft.

**3. Wing anti-ice — As needed**

For an explicit OFF, establish OFF. For As needed, first resolve the mission’s icing decision using an approved policy; do not infer it from temperature alone.

**4. Engine anti-ice — As needed**

Apply the required anti-ice state to the applicable engines; resolve As needed before issuing a command.

**5. Pack switches — AUTO**

Set both pack switches AUTO. Verify both selector positions using the applicable detent decoding.

**6. Isolation valve — AUTO**

Select the isolation-valve selector AUTO. Verify the selector position; verify actual valve state separately when required.

**7. APU bleed — OFF**

Select APU bleed OFF in accordance with the applicable air-supply configuration. Verify the required switch and valve indications.

**8. APU switch — As needed**

Resolve the required APU state for this phase from the mission’s electrical/air plan, then use a validated APU switch procedure.

**9. Engine start switches — CONT**

Select both engine start switches CONT. Verify both rotary-switch positions. These switches are separate from the fuel/start levers.

**10. Engine start levers — IDLE**

Set both engine start levers to IDLE. The start levers control fuel admission; they are separate from the rotary engine start switches.

**11. Ground equipment clear — Verify**

Obtain actual confirmation that the tug and relevant ground equipment are clear before taxi movement.

**12. Flap lever — Set takeoff flaps**

When the stated condition is satisfied, select the takeoff flap setting specified by the applicable performance data. Verify the required lever detent and actual flap/slat configuration.

**13. Flight controls — Check**

Perform the approved control movement/check sequence and confirm actual control-surface response.

**14. Lower DU — BLANK**

Set the lower display unit to BLANK and observe the result.

## Detailed procedures

The following pages preserve each checklist item’s conditions, verification requirements and source identity.

* [Before Taxi (1/2)](https://www.narev.ai/docs/irl-gym/aircraft/procedures/before-taxi-1.md)
* [Before Taxi (2/2)](https://www.narev.ai/docs/irl-gym/aircraft/procedures/before-taxi-2.md)


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