ScubaRandy:
Actually, according to my 2006 PADI Instructor Manual, trim is discussed in Knowledge Development Section 2, in the Streamline Yourself section. It states that you need to move horizontally thru the water, and that the instructor is to discuss trim, placement of weight for a comfortable, balanced, horizontal position.
And let's talk about hovering. True, the 30 second hover is in Confined Water Dive 4, but the instructor can substitute the hover in place of the fin pivot in Open Water Dive 2 and 3. And there is no time limit on the hover in Open Water Dive 4.
Well said!
I guess some peoples facts come out of their own heads! Perhaps some people should update themselves on PADI standards before passing themselves as experts on the standards.
Here are some things taken from the Instructor Manual to help those who think they know better.
Talking about Dive 1
To develop the practical application of the essential skills of diving — those used in
making any dive, such as good judgment, buoyancy control, underwater awareness,
ascents and descents, etc. — by having student divers make a dive much as
they will after certification.
Underwater exploration. This is the heart of Open Water Dive 1. Although to the experienced diver it is “just swimming around,” the novice is learning and assimilating a great deal, such as buoyancy control,
body attitude, buddy contact, communication, breathing and dozens of other underwater capabilities that experienced divers find second nature.
(Isn't body attitude the same as trim?)
As described for all subsequent dives
Underwater exploration (“tour”

. Continues developing student underwater skill as described in Open Water Dive 1.
(Doesn't this mean that PADI wants trim, buoyancy control, buddy contact etc to be used in all 4 dives. There are ascents and descents in dives 1 - 4 so buddy contact would be included in the ascents and descents.)
From Dive 2
The emphasis during ascent is on maintaining buoyancy control, maintaining a proper ascent rate and maintaining buddy contact.
(The standards seem pretty clear here. Maintain buddy contact on ascent.)
From Dive 4 about descents
Students now have several descent experiences and have a feel for buoyancy control. Brief students to use their depth gauges, how often they need to equalize, particles in the water, etc. to gauge and control their descent rate.
One technique is to use a reference line, but have
the buddy team face away from it. This gives a control method while meeting the performance requirement. Tell student divers that you will stay with them during the descent and they are setting the descent rate. This makes them control the rate rather than merely match yours.
(So I see that PADI requires students to maintain buddy contact on ascent and descent. Buddy team implies they should be together otherwsie they aren't a team.)
And just a couple more snippets regarding buoyancy
Student divers should be demonstrating near-automatic buoyancy control, staying off the bottom, and being constantly aware of their buoyancy.
Neutral buoyancy and hovering. This exercise has no time limit because you’re looking for mastery.
From Peak Performance Buoyancy
Position and distribute the weight for comfort and desired body
position (trim) in the water.
While swimming, adjust for neutral buoyancy; concentrate on an efficient,
relaxed kicking style; practice gliding after kicks; and streamline your body/equipment as much as possible.
(So PADI does talk about trim in another course.)