Never can hurt to bring a whistle (have one built into my pack on sternum strap...I think this is becoming common). And I have to agree with the above post...luckily both situations turned out ok but I'm pretty sure there's a step in the LNTB guidelines about planning ahead...seems like neither situation was planned out well.
Our long-time Sponsor, BackcountryGear.com - The leading source for ultralite/lightweight outdoor gear:
Affiliate Disclaimer: This forum is an affiliate of BackcountryGear.com, Amazon.com, R.E.I. and others. The product links herein are linked to their sites. If you follow these links to make a purchase, we may get a small commission. This is our only source of support for these forums. Thanks.!