To update a previous weather briefing, which type of briefing should the pilot request?

An abbreviated briefing is designed specifically for situations where a pilot has already received a previous weather briefing and is looking to update their information without going through a full briefing again. This type of briefing focuses on changes in weather conditions since the last briefing, providing essential updates without redundant information.

In the context of flight planning, pilots often need to revisit weather conditions as they approach their departure time or if they have delayed their flight due to changing weather. The abbreviated briefing efficiently delivers this updated weather information, allowing pilots to make timely and informed decisions regarding their flying plans.

Other options such as a standard briefing, complete briefing, or outlook briefing do not serve the same purpose of specifically updating previously obtained information. A standard briefing would provide a comprehensive overview, while a complete briefing offers all pertinent weather details, usually when no prior briefing has been obtained. An outlook briefing focuses on forecasts beyond 48 hours. Thus, for quick updates, the abbreviated briefing is the appropriate choice.