All the planning in the world doesn't always work... CH47 days...
Landing at Bessbrook with 80kgs a side after a 252 cloud break in the adjoining valley; or shutting down beside the little chef on the A3 returning to Odi; or hovering for 2 hours in a Norwegian fjiord snow storm, Pilots only reference a large rock by his right boot. Just for starters.
This crew had the option, made the choice, clearly the correct one, and no amount of 20/20 hindsight will change that. All the planning in the world doesn't make you perfect, it just means you've been luckier! (The more I train/plan/fly...the luckier I get springs to mind.)