> For the complete documentation index, see [llms.txt](https://docs.flightsim-studio.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.flightsim-studio.com/boeing-727/normal-procedures/checklists/secure-cockpit.md).

# Secure Cockpit

<table data-header-hidden data-full-width="true"><thead><tr><th width="695"></th><th></th></tr></thead><tbody><tr><td><strong>01 - BRAKES</strong></td><td><strong>PARKED</strong></td></tr><tr><td>Engage parking brakes and check parking brake light on. Normally, brakes remain parked.</td><td></td></tr><tr><td><strong>02 -</strong> <strong>ENGINE &#x26; WING ANTI-ICE</strong></td><td><strong>OFF</strong></td></tr><tr><td>Check wing and engine anti-ice off. Turn valve position selector off.</td><td></td></tr><tr><td><strong>03 - PROBE AND WINDOW HEAT</strong></td><td><strong>OFF</strong></td></tr><tr><td><strong>04 - BEACON LIGHT</strong></td><td><strong>OFF</strong></td></tr><tr><td><strong>05 - EMERGENCY LIGHTS</strong></td><td><strong>OFF</strong></td></tr><tr><td><strong>06 - BOOST PUMPS</strong></td><td><strong>OFF</strong></td></tr><tr><td><em>Check boost pump low pressure lights on.</em></td><td></td></tr><tr><td><strong>07 - B PUMPS</strong></td><td><strong>CHECKED</strong></td></tr><tr><td><em>Leave one system B pump on at intermediate stops. Turn off both pumps for layover or flight termination.</em></td><td></td></tr><tr><td><strong>08 - OXYGEN</strong></td><td><strong>CHECKED</strong></td></tr><tr><td><em>Check crew and passenger oxygen pressures. At flight termination, turn off crew oxygen.</em></td><td></td></tr><tr><td><strong>09 - RADIOS</strong></td><td><strong>OFF</strong></td></tr><tr><td><em>If APU is used for taxi-in, delay opening 2L and 2R bleed switches until APU has operated for one minute.</em></td><td></td></tr><tr><td><strong>10 - GALLEY POWER</strong></td><td><strong>OFF</strong></td></tr></tbody></table>