{"id":23465,"date":"2022-11-28T16:12:58","date_gmt":"2022-11-28T21:12:58","guid":{"rendered":"https:\/\/world.dan.org\/?post_type=dan_alert_diver&p=23465"},"modified":"2023-01-30T12:08:32","modified_gmt":"2023-01-30T17:08:32","slug":"practice-crucial-skills","status":"publish","type":"dan_alert_diver","link":"https:\/\/world.dan.org\/fr\/alert-diver\/article\/practice-crucial-skills\/","title":{"rendered":"Pratiquer les comp\u00e9tences essentielles"},"content":{"rendered":"

TRAVAILLER COMME SECOND SUR DES BATEAUX DE PLONG\u00c9E<\/span><\/strong> au cours des 22 derni\u00e8res ann\u00e9es m'a permis de vivre de nombreuses situations int\u00e9ressantes. Lorsque je donne des cours de plong\u00e9e, j'utilise une situation particuli\u00e8re pour d\u00e9montrer l'importance d'entretenir ses comp\u00e9tences par une pratique r\u00e9guli\u00e8re. Elle illustre le fait qu'il n'y a pas de place pour la complaisance en plong\u00e9e.<\/p>\n\n\n\n

The day started uneventfully with the passengers boarding the vessel and making the necessary preparations to dive. We cast off the lines and headed to a World War II shipwreck that rests in shallow water (approximately 20 metres deep) off the North Carolina coast. Visibility is typically between 6 and 9 metres. Commercial dive operators don\u2019t normally visit the wreck because of its small size and the potential for limited visibility. All the divers on board had been on the boat before and were familiar with the crew, boat, and wreck.<\/p>\n\n\n\n

That day it was my turn to \u201ctie in\u201d while the other crewman assisted the captain with getting the divers in the water. After the captain maneuvered the boat over the site, he gave me the \u201cgo\u201d signal, and I stepped off the deck with the anchor in hand. During the brief descent I noticed that visibility was between 4 and 6 metres, which was well within expectations for the site.<\/p>\n\n\n\n

Une fois l'ancre fix\u00e9e \u00e0 l'\u00e9pave, j'ai communiqu\u00e9 le lieu d'amarrage et les conditions de plong\u00e9e \u00e0 bord par l'interm\u00e9diaire du syst\u00e8me de communication sans fil. En plus de signaler la visibilit\u00e9, j'ai inform\u00e9 le capitaine que le courant \u00e9tait minime et qu'il n'y avait pas d'onde de choc. Apr\u00e8s avoir accompli cette t\u00e2che, j'\u00e9tais libre d'explorer l'\u00e9pave.<\/p>\n\n\n\n

During my dive I encountered several of our passengers enjoying their dive. Because of the wreck\u2019s relatively small footprint, it would be quite unusual for a second boat to anchor on the site. As my no-decompression limit approached, I made my way back to the anchor location and prepared to begin my ascent. When I tie in, I usually pause on my ascent to check the status of the other divers. I know what their approximate dive time will be, and I can tell by the bubble trail if any divers are approaching the anchor or have begun their ascent.<\/p>\n\n\n\n

Alors que j'\u00e9tais arr\u00eat\u00e9 \u00e0 9 m\u00e8tres, j'ai remarqu\u00e9 que deux plongeurs remontaient la ligne d'ancrage et s'approchaient rapidement de ma position. D\u00e8s qu'ils ont \u00e9t\u00e9 vus, il est devenu \u00e9vident qu'ils avaient affaire \u00e0 une situation hors de l'air. Il s'agissait d'une \u00e9quipe compos\u00e9e d'un p\u00e8re et d'un fils, et le p\u00e8re partageait son octopus avec son fils. Les deux plongeurs respiraient bruyamment et se d\u00e9pla\u00e7aient avec d\u00e9termination.<\/p>\n\n\n\n

I immediately descended and made contact with the buddy team. At that moment the donor\u2019s gas supply ran out. We were about 12 metres underwater, and I had two divers who needed gas.<\/p>\n\n\n\n

Knowing that the father was more experienced, I offered my octopus to the son and took one breath from my primary second stage. With my hands occupied holding onto the team and my primary regulator, I couldn\u2019t signal my intentions to the father. He could tell his son was breathing from my octopus and that I was prepared to share my primary regulator.<\/p>\n\n\n\n

Apr\u00e8s avoir enlev\u00e9 son d\u00e9tendeur d\u00e9sormais inutile, il est pass\u00e9 \u00e0 mon deuxi\u00e8me \u00e9tage primaire et a pris sa premi\u00e8re respiration \u00e0 partir de mon \u00e9quipement. Tout en continuant \u00e0 expirer, j'ai laiss\u00e9 le p\u00e8re prendre plusieurs autres respirations avant de tirer doucement sur mon \u00e9tage primaire. Apr\u00e8s avoir pris une autre respiration, le p\u00e8re m'a permis de reprendre momentan\u00e9ment le deuxi\u00e8me \u00e9tage pour deux respirations. Nous avons rapidement \u00e9tabli un rythme de deux respirations, deux respirations, tout en gardant le contact avec le fils.<\/p>\n\n\n\n

Une fois que notre cycle respiratoire s'est normalis\u00e9, j'ai v\u00e9rifi\u00e9 ma r\u00e9serve de gaz. Je plonge avec des bouteilles plus grandes que ce dont j'ai besoin dans des situations comme celle-ci. Les bouteilles de 15 litres \u00e9taient plus que suffisantes pour nous approvisionner en gaz, m\u00eame apr\u00e8s avoir moi-m\u00eame effectu\u00e9 une plong\u00e9e sans d\u00e9compression.<\/p>\n\n\n\n

When both divers were comfortable and breathing normally, I had to get them from our current position to the hang line and the \u201chang regulators,\u201d which are used in situations where a diver is low on or out of gas and still needs to complete a safety stop or decompression stop. The first stage is attached to a tank on board the vessel with the second stage at the end of a weighted 9-metre low-pressure hose.<\/p>\n\n\n\n

Les deux plongeurs m'ont renvoy\u00e9 le signal du pouce lev\u00e9 et nous avons recommenc\u00e9 \u00e0 remonter. Le fils a continu\u00e9 \u00e0 respirer \u00e0 partir de mon octopus, tandis que le p\u00e8re et moi avons maintenu la s\u00e9quence de respiration en bin\u00f4me (deux sur, deux hors). Nous sommes arriv\u00e9s au poids de la bride et nous nous sommes dirig\u00e9s vers les d\u00e9tendeurs suspendus \u00e0 l'arri\u00e8re. Le bateau \u00e9tant configur\u00e9 avec un d\u00e9tendeur suspendu de chaque c\u00f4t\u00e9, les plongeurs ont abandonn\u00e9 mon deuxi\u00e8me \u00e9tage et ont commenc\u00e9 \u00e0 respirer \u00e0 partir des d\u00e9tendeurs suspendus.<\/p>\n\n\n\n

Pendant qu'ils terminaient leur palier de pr\u00e9caution, j'ai maintenu une position qui me permettait de garder le contact visuel avec eux tout en \u00e9tant suffisamment proche pour intervenir si n\u00e9cessaire. Les plongeurs ont termin\u00e9 leur palier sans autre incident et ont pu monter \u00e0 bord du navire. Une fois l'\u00e9quipe de bin\u00f4mes \u00e0 bord, je suis sorti de l'eau et me suis pr\u00e9par\u00e9 \u00e0 accueillir les passagers restants.<\/p>\n\n\n\n

I do not know the circumstances that caused these divers to run low on and out of gas during the dive, but the lesson is to carefully monitor your gauges \u2014 a lesson all divers need to hear. Knowing how to share gas, both as a donor and recipient, using a technique other than alternate air source sharing is also crucial. Had the father not been trained in or prepared for buddy breathing, the outcome could have been disastrous.<\/p>\n\n\n\n

Suivez une formation, entra\u00eenez-vous et r\u00e9fl\u00e9chissez \u00e0 la mani\u00e8re d'int\u00e9grer votre formation dans diff\u00e9rentes situations.<\/p>\n\n\n\n

\u00a9 Alert Diver<\/em> - Q4 2022<\/p>","protected":false},"excerpt":{"rendered":"

Travailler comme second sur des bateaux de plong\u00e9e au cours des 22 derni\u00e8res ann\u00e9es m'a permis d'assister \u00e0 de nombreuses situations int\u00e9ressantes. Lorsque je donne des cours de plong\u00e9e, j'utilise une situation particuli\u00e8re pour d\u00e9montrer l'importance d'entretenir ses comp\u00e9tences par une pratique r\u00e9guli\u00e8re.<\/p>","protected":false},"featured_media":23466,"template":"","dan_alert_diver_categories":[84],"dan_alert_diver_issues":[482],"class_list":["post-23465","dan_alert_diver","type-dan_alert_diver","status-publish","has-post-thumbnail","hentry","dan_alert_diver_categories-skills-in-action","dan_alert_diver_issues-q4-2022"],"acf":[],"yoast_head":"\nPractice Crucial Skills - DAN World<\/title>\n<meta name=\"description\" content=\"When teaching scuba classes, I use one particular situation as evidence of the importance of maintaining skills through regular practice.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/world.dan.org\/fr\/alert-diver\/article\/practice-crucial-skills\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Practice Crucial Skills\" \/>\n<meta property=\"og:description\" content=\"When teaching scuba classes, I use one particular situation as evidence of the importance of maintaining skills through regular practice.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/world.dan.org\/fr\/alert-diver\/article\/practice-crucial-skills\/\" \/>\n<meta property=\"og:site_name\" content=\"DAN World\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-30T17:08:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/world.dan.org\/wp-content\/uploads\/2022\/11\/alert-diver-q4-2022_102_skills-in-action.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"648\" \/>\n\t<meta property=\"og:image:height\" content=\"457\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" content=\"When teaching scuba classes, I use one particular situation as evidence of the importance of maintaining skills through regular practice.\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/world.dan.org\\\/alert-diver\\\/article\\\/practice-crucial-skills\\\/\",\"url\":\"https:\\\/\\\/world.dan.org\\\/alert-diver\\\/article\\\/practice-crucial-skills\\\/\",\"name\":\"Practice Crucial Skills - 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