Padi Course Director Stephen J Aynsley

The 101 - Simplified scuba dive theory (how pressure effects volume/breathing - boyles law)

Stephen J. Aynsley

The 101 - Simplified dive theory (Partial Pressures part1, Dalton's Law)

Stephen J. Aynsley

The 101 - Simplified scuba dive theory (physics, Archimedes, displacement)

Stephen J. Aynsley

The 101 - Capillary Depth Gauge, how they're calibrated and affected by altitude

Stephen J. Aynsley

The 101 - How a Balanced First Stage SCUBA regulator works (Diaphragm)

Stephen J. Aynsley

The 101 - simplified scuba dive theory (how temperature effects pressure/volume - Charles' Law)

Stephen J. Aynsley

The 101 - scuba diving theory (absolute/ambient/gauge pressure in salt & fresh water)

Stephen J. Aynsley

Hand Signals - new SCUBA diving sign and why....

Stephen J. Aynsley

The 101 - How a balanced first stage, piston scuba regulator works

Stephen J. Aynsley

The 101 - How a SCUBA second stage regulator works

Stephen J. Aynsley

SSI Instructor embarrases PADI course director

The 101 - The Venturi Effect simplified (with some working examples)

Stephen J. Aynsley

PADI Instructor Development Course July 2022 Utila with Nick Derutter

Dive Utila - Bay Islands College of Diving

How to become a Divemaster! (A conversation with a PADI Course Director.)

Everything Scuba

JOBS IN SCUBA DIVING: PADI COURSE DIRECTOR HOLLY MACLEOD

Girls that Scuba

2024 PADI IDC Online Full Preparation Course message.

Hole In One Challenge | Presented by @TGL

Jerry After Dark

PADI IDC Indonesia 2016 | Holly Macleod | Multi Award Winning Platinum PADI Course Director

PADI IDC Indonesia, Gili Islands

Sidemount diving by PADI Course Director Filippo Molina