Posts Tagged ‘Search Dog’

The POD of a Search Dog

January 28th, 2010

I wrote a short piece last week entitled “The POD of a Search Dog is 100%” and promised to give my thoughts on the subject at a later date. It is interesting to note that the two commenters – Daryl Toogood and Johnnie Walker – highlighted the two main issues I wanted to cover with regard to calculating PODs for search dogs.

Essentially I see two issues here.

The first is whether searching to 100% is a useful tactic, or whether as Johnnie noted “that it has slowed people down”. If you, as a dog handler, are trying to ensure you do not possibly miss the misper – do you spend too much time in any one area? Remember that search, like many other things, complies with that pesky law of diminishing returns. For each unit of search you put in, you get less out each time in added POD.

You would often do better (find more mispers!) by travelling further at a quicker rate.

The second issue here is calculating the POD of a search dog. As Daryl Toogood stated;

I would challenge any dog handler that gives a POD for their dog no matter whether it be 1% or 100% as I am not confident of the system for calculating the POD of a Dog. [Read more here...]

But this leaves search management and the search planning team a very large problem!

In order to best utilise their search resources search planners are required to decide whether to re-search a search sector, or put it aside for now and search somewhere else. Get it wrong and they potentially leave the misper to die in an area that could have been searched. How can we expect them to make such an important decision with so little clue!

I think that I will be revisiting this – both of these issues need discussing in further detail – but feel free to add your thoughts.

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The POD of a Search Dog is 100%

January 18th, 2010

When writing a blog you have to always have something left to write about tomorrow. This means that when you think of something to write about you tend to note it down somewhere, to use another day. BUT, some days, you just have to jump on the computer and write something, NOW!

It might be a news item, it might be a thought or idea going through your head, or it might, like today, be something that you read.

I’ve just taken delivery of some books from dbs productions ready to sell in the SAR Bookshop. One of Bob Koester’s books that I hadn’t read was Man-Trackers and Dog Handlers in Search & Rescue – Basic Guidelines and Information - co-authored with Greg Fuller and Ed Johnson.

In the chapter Dog-Handling Misconceptions I came across the following, which I truly hope the authors don’t mind me copying here as it has some implications for the way lowland search dogs are used and viewed.

“Dogs never miss”

If the dog handler believes this, management has a problem. If the search manager believes this, the lost subject has a problem. If a dog team ever reports a POD higher than 75% and the area is not a paved parking lot, it’s likely they have over-reported their POD.

While a discussion of scent transport is well beyond the scope of this publication, it should be noted that a myriad of conditions contribute to the success or failure of each individual search task. Wind direction, spotty scent pools, contaminating scent sources, and handler fatigue can all contribute to missed detection/find by even a focused, well-trained dog. Dog teams are another “tool” for searching — they are not infallible. Many search coordinators can relate stories of ground teams finding a subject in an area “cleared” by a search dog team. In some cases a not completely trained dog actually found the subject but did not indicate this to the handler. Dogs are a great contributor and they can cover large areas effectively, but there’s never 100% POD with any one resource. In the long run, overstating a resource’s capability only decreases the value of that resource in the eyes of management. In some areas of the country overstating has resulted in resources no longer being requested.

(Man-Trackers & Dog Handlers in Search & Rescue, Fuller, Johnson & Koester, dbs Productions)

I’ll leave my thoughts on this important issue to another day – but I’m sure many of you have views on this…

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Play in Search Training

January 7th, 2010

The recent snow and yet another Christmas book (Living Out LOUD by Keri Smith) has got me thinking about play.

As was briefly discussed in the comments about graveyard humour following my report on ALSAR at the Dartmoor Rescue Training Exercise, fun and humour are a perfectly natural defence mechanism for our brains. The question is; how well do training officers balance the “fun” and the serious training exercises?

So here are a few of my ideas for fun search training exercises;

1. Spot the fairy
Maybe not a winter activity but set up right I think you could have a great twenty/thirty minutes of fun with this. Find a location with lots of cover and dead ground. Dress up the biggest, manliest member as a fairy. See who can be the first to spot him jump up.
This is probably best mixed in with some visual training of the “find 20 objects hidden in the panorama in front of you” type!

2. Route and Path Race
Have three or four equal route and paths, or one long circular path. Place ten or more small objects along this path. Have the teams race along the path. Give points for speed, and number of objects found.

3. Quick Search
Set up the usual search exercise [See my series on planning search exercises]. However, instead of having one Search Controller and search teams – run two competing “search units” with a search controller and search  plan each. Have them compete to see who can find the misper first! This should help train search urgency!

4. Beat the Search Dog
Here’s a fun joint dog / foot search team training activity. Set up some search areas – send out foot teams and a dog team and have them race to try to find the waiting misper.

5. Rescue the Landrover
Why not hide a Landrover or similar on the search ground? Let the team(s) find it and “recover it to a place of safety”!

I’m sure you can think of lots more… How about another New Year’s resolution? To put in a “fun” exercise or activity every couple of months.

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