{"id":111,"date":"2026-08-25T01:24:43","date_gmt":"2026-08-25T01:24:43","guid":{"rendered":"https:\/\/marinefill.com\/blog\/vlsfo-yakit-secimi-ve-bunkering-kontrolu\/"},"modified":"2026-08-25T01:24:43","modified_gmt":"2026-08-25T01:24:43","slug":"vlsfo-yakit-secimi-ve-bunkering-kontrolu","status":"publish","type":"post","link":"https:\/\/marinefill.com\/blog\/vlsfo-yakit-secimi-ve-bunkering-kontrolu\/","title":{"rendered":"VLSFO Yak\u0131t Se\u00e7imi ve Bunkering Kontrol\u00fc"},"content":{"rendered":"<p>Yak\u0131t plan\u0131nda yaln\u0131zca ton ba\u015f\u0131na fiyat\u0131 kar\u015f\u0131la\u015ft\u0131rmak, VLSFO yak\u0131t tedarikinde en pahal\u0131 hatalardan biridir. Geminin makine konfig\u00fcrasyonu, separator kapasitesi, tank s\u0131cakl\u0131\u011f\u0131, limandaki teslimat imk\u00e2n\u0131 ve yakla\u015fan sefer profili ayn\u0131 anda de\u011ferlendirilmelidir. \u00d6zellikle Ege ve Akdeniz rotalar\u0131nda ETA de\u011fi\u015fiklikleri, marina k\u0131s\u0131tlar\u0131 ve minimum teslimat miktarlar\u0131, do\u011fru \u00fcr\u00fcn\u00fcn do\u011fru zamanda al\u0131nmas\u0131n\u0131 do\u011frudan etkiler.<\/p>\n<p>VLSFO, 1 Ocak 2020 itibar\u0131yla k\u00fcresel s\u00fclf\u00fcr limitinin y\u00fczde 0,50\u2019ye inmesiyle yayg\u0131nla\u015fan \u00e7ok d\u00fc\u015f\u00fck s\u00fclf\u00fcrl\u00fc fuel oil s\u0131n\u0131f\u0131d\u0131r. Ancak bu tan\u0131m, b\u00fct\u00fcn VLSFO partilerinin ayn\u0131 fiziksel \u00f6zelliklere veya ayn\u0131 operasyonel davran\u0131\u015fa sahip oldu\u011fu anlam\u0131na gelmez. Sat\u0131n alma karar\u0131, \u00fcr\u00fcn ad\u0131ndan \u00e7ok teslim edilecek partinin spesifikasyonu ve geminin onaylanm\u0131\u015f \u00e7al\u0131\u015fma limitleri \u00fczerinden verilmelidir.<\/p>\n<h2>VLSFO yak\u0131t nedir ve hangi gemiler i\u00e7in uygundur?<\/h2>\n<p>VLSFO yak\u0131t, MARPOL Ek VI kapsam\u0131ndaki y\u00fczde 0,50 m\/m k\u00fcresel s\u00fclf\u00fcr s\u0131n\u0131r\u0131n\u0131 kar\u015f\u0131lamak \u00fczere form\u00fcle edilen art\u0131k bazl\u0131 veya kar\u0131\u015f\u0131m deniz yak\u0131t\u0131d\u0131r. Genellikle ticari gemilerde HFO\u2019ya maliyet odakl\u0131 bir alternatif olarak kullan\u0131l\u0131r. S\u00fclf\u00fcr i\u00e7eri\u011fi uygun olsa da yo\u011funluk, viskozite, akma noktas\u0131, parlama noktas\u0131, al\u00fcminyum-silisyum i\u00e7eri\u011fi ve stabilite gibi de\u011ferler tedarik\u00e7iden tedarik\u00e7iye de\u011fi\u015febilir.<\/p>\n<p>Bu nedenle \u201cVLSFO alaca\u011f\u0131z\u201d bilgisi bir bunker talebi i\u00e7in yeterli de\u011fildir. Ba\u015fta ana makine, yard\u0131mc\u0131 makineler ve kazanlar olmak \u00fczere t\u00fcketici ekipmanlar\u0131n izin verdi\u011fi viskozite aral\u0131\u011f\u0131; gemideki \u0131s\u0131tma d\u00fczeni; servis tank\u0131 s\u0131cakl\u0131\u011f\u0131; filtre ve separator performans\u0131 teyit edilmelidir. Yeni nesil bir motorun veya retrofit edilmi\u015f bir yak\u0131t sisteminin VLSFO ile \u00e7al\u0131\u015fabiliyor olmas\u0131, her ticari VLSFO harman\u0131n\u0131n ko\u015fulsuz kabul edilebilece\u011fi anlam\u0131na gelmez.<\/p>\n<p>Yatlar ve d\u00fc\u015f\u00fck hacimli t\u00fcketim yapan teknelerde ise karar farkl\u0131la\u015fabilir. K\u0131sa s\u00fcreli seyir, s\u0131k marina operasyonu, s\u0131n\u0131rl\u0131 tank segregasyonu ve daha k\u00fc\u00e7\u00fck sipari\u015f hacimleri nedeniyle MGO veya LSMGO daha pratik olabilir. VLSFO\u2019nun avantaj\u0131 \u00e7o\u011funlukla yeterli t\u00fcketim hacmi, uygun \u0131s\u0131tma altyap\u0131s\u0131 ve planlanabilir teslimat penceresi bulunan operasyonlarda belirginle\u015fir.<\/p>\n<h2>Spesifikasyon kontrol\u00fc: ISO 8217 yaln\u0131zca bir ifade de\u011fildir<\/h2>\n<p><a href=\"https:\/\/marinefill.com\/blog\/iso-8217-bunker-fuel-standards\/\">ISO 8217<\/a>, deniz yak\u0131tlar\u0131 i\u00e7in referans kalite standard\u0131d\u0131r; fakat sat\u0131n alma ekibinin standart ad\u0131yla yetinmesi do\u011fru de\u011fildir. Talepte hangi ISO 8217 s\u0131n\u0131f\u0131n\u0131n hedeflendi\u011fi, gemi i\u015fletme limitleri ve varsa charter party gereklilikleri a\u00e7\u0131k bi\u00e7imde belirtilmelidir. Teklif a\u015famas\u0131nda \u00fcr\u00fcn\u00fcn tipik de\u011ferleri ile teslim sonras\u0131 analiz i\u00e7in uygulanacak numune prosed\u00fcr\u00fc de netle\u015ftirilmelidir.<\/p>\n<p>VLSFO de\u011ferlendirmesinde ilk bak\u0131lacak de\u011ferler s\u00fclf\u00fcr, viskozite ve yo\u011funluktur. Bunlar\u0131n yan\u0131nda parlama noktas\u0131, su, toplam sediment potansiyeli, katalitik ince partik\u00fcller olarak bilinen Al+Si de\u011feri ve so\u011fuk ak\u0131\u015f davran\u0131\u015f\u0131 da operasyonel risk yaratabilir. Y\u00fcksek Al+Si, yetersiz ar\u0131tma ko\u015fullar\u0131nda a\u015f\u0131nma riskini art\u0131rabilir. Sediment ve uyumsuzluk ise filtre t\u0131kanmas\u0131, separator performans kayb\u0131 veya tank dibinde tortu olu\u015fumu \u015feklinde ortaya \u00e7\u0131kabilir.<\/p>\n<p>Buradaki kritik ayr\u0131m \u015fudur: Bir yak\u0131t \u015fartname i\u00e7inde g\u00f6r\u00fcnebilir, fakat mevcut tanktaki \u00fcr\u00fcnle kar\u0131\u015ft\u0131\u011f\u0131nda sorun \u00e7\u0131karabilir. VLSFO harmanlar\u0131n\u0131n uyumlulu\u011fu, yaln\u0131zca yeni partinin kendi analiz sonucu \u00fczerinden tahmin edilemez. Gemide kalan yak\u0131t\u0131n tipi, ya\u015f\u0131, s\u0131cakl\u0131\u011f\u0131 ve tank ko\u015fullar\u0131 da de\u011ferlendirmeye al\u0131nmal\u0131d\u0131r. M\u00fcmk\u00fcn oldu\u011funda farkl\u0131 men\u015feli veya belirgin bi\u00e7imde farkl\u0131 \u00f6zellikteki \u00fcr\u00fcnler ayr\u0131 tanklarda tutulmal\u0131, ge\u00e7i\u015f kontroll\u00fc yap\u0131lmal\u0131d\u0131r.<\/p>\n<h2>Bunkering \u00f6ncesinde planlama: Miktar, teslimat y\u00f6ntemi ve ETA<\/h2>\n<p>\u0130yi bir VLSFO operasyonu, teslimat arac\u0131n\u0131n yana\u015fmas\u0131yla de\u011fil, talebin do\u011fru girilmesiyle ba\u015flar. Gemi ad\u0131 ve IMO numaras\u0131, teslimat liman\u0131 veya marina, talep edilen net miktar, istenen \u00fcr\u00fcn s\u0131n\u0131f\u0131, tank kapasitesi, mevcut ROB, teslimat tarihi ve ETA bilgisi tedarik plan\u0131n\u0131n temelidir. Bunlardan birinin belirsiz kalmas\u0131, fiyat kar\u015f\u0131la\u015ft\u0131rmas\u0131n\u0131 ve lojistik e\u015fle\u015ftirmeyi yan\u0131ltabilir.<\/p>\n<p>Teslimat y\u00f6ntemi, miktar kadar \u00f6nemlidir. Barge-to-ship teslimat\u0131 genellikle 100 MT ve \u00fczeri miktarlarda anlaml\u0131d\u0131r; uygun r\u0131ht\u0131m, hava ko\u015fullar\u0131, liman izni ve geminin operasyon penceresi birlikte koordine edilir. Shore-to-ship hatlar\u0131, altyap\u0131n\u0131n bulundu\u011fu tesislerde kontroll\u00fc ve verimli bir se\u00e7enek olabilir. Marina r\u0131ht\u0131m\u0131ndaki road tanker teslimat\u0131nda ise eri\u015fim, hortum mesafesi, emniyet alan\u0131 ve genellikle en az 2.000 litre sipari\u015f miktar\u0131 g\u00f6z \u00f6n\u00fcnde tutulmal\u0131d\u0131r.<\/p>\n<p>Marmaris, Bodrum, Fethiye ve G\u00f6cek \u00e7evresindeki operasyonlarda ayn\u0131 g\u00fcn teslimat beklentisi, ancak do\u011fru ETA ve ger\u00e7ek\u00e7i haz\u0131rl\u0131k bilgisiyle y\u00f6netilebilir. \u00d6zellikle yo\u011fun sezonlarda marina giri\u015f prosed\u00fcrleri, ara\u00e7 eri\u015fim saatleri ve r\u0131ht\u0131m dolulu\u011fu teslimat program\u0131n\u0131 de\u011fi\u015ftirebilir. Kaptan\u0131n, acentenin ve bunker koordinat\u00f6r\u00fcn\u00fcn tek bir g\u00fcncel operasyon bilgisi \u00fczerinden hareket etmesi telefon zincirlerinden daha g\u00fcvenlidir.<\/p>\n<p>Fiyat taraf\u0131nda <a href=\"https:\/\/marinefill.com\/blog\/platts-marine-fuel-pricing-nasil-dogru-okunur\/\">Platts endeksli yap\u0131<\/a>, piyasa referans\u0131n\u0131 teslimat maliyetlerinden ay\u0131rmay\u0131 kolayla\u015ft\u0131r\u0131r. Ancak teklif kar\u015f\u0131la\u015ft\u0131r\u0131l\u0131rken yaln\u0131zca endeks primi de\u011fil, teslimat y\u00f6ntemi, miktar, liman masraflar\u0131, bekleme ihtimali, \u00f6deme ko\u015fullar\u0131 ve \u00fcr\u00fcn spesifikasyonu birlikte incelenmelidir. Daha d\u00fc\u015f\u00fck g\u00f6r\u00fcnen bir fiyat, farkl\u0131 bir miktar band\u0131 veya farkl\u0131 bir teslimat varsay\u0131m\u0131 i\u00e7eriyorsa e\u015fde\u011fer teklif de\u011fildir.<\/p>\n<h2>VLSFO yak\u0131t teslimat\u0131nda kritik kontroller<\/h2>\n<p>Bunker ba\u015flang\u0131c\u0131ndan \u00f6nce gemi ve teslimat ekibi aras\u0131nda miktar, \u00fcr\u00fcn, tank tahsisi, maksimum dolum seviyesi, pompalama h\u0131z\u0131, ileti\u015fim kanal\u0131 ve acil durdurma prosed\u00fcr\u00fc mutab\u0131k kalmal\u0131d\u0131r. Tank\u0131n yeterli bo\u015f hacmi teyit edilmeden ba\u015flat\u0131lan operasyon, ta\u015fma riskinin en temel nedenlerinden biridir. \u00d6zellikle farkl\u0131 yo\u011funluktaki \u00fcr\u00fcnlerde hacim hesab\u0131 ile k\u00fctle hesab\u0131 birbirine kar\u0131\u015ft\u0131r\u0131lmamal\u0131d\u0131r.<\/p>\n<p>Teslimat boyunca manifold ba\u011flant\u0131lar\u0131, damlama tavalar\u0131, scupper kapamalar\u0131 ve spill response ekipman\u0131 kontrol alt\u0131nda tutulmal\u0131d\u0131r. Ba\u015flang\u0131\u00e7ta d\u00fc\u015f\u00fck h\u0131zla \u00fcr\u00fcn al\u0131nmas\u0131, hatlar\u0131n do\u011frulanmas\u0131 ve ba\u011flant\u0131larda s\u0131z\u0131nt\u0131 kontrol\u00fc i\u00e7in pratik bir emniyet ad\u0131m\u0131d\u0131r. Pompa h\u0131z\u0131ndaki de\u011fi\u015fiklikler kar\u015f\u0131l\u0131kl\u0131 teyitle yap\u0131lmal\u0131; vardiya veya personel de\u011fi\u015fiminde mevcut miktar, h\u0131z ve tank durumu a\u00e7\u0131k\u00e7a devredilmelidir.<\/p>\n<p>Numune alma, sonradan yap\u0131lacak bir evrak i\u015fi de\u011fildir. MARPOL numunesi, teslimat s\u0131ras\u0131nda damlatmal\u0131 ve temsil kabiliyeti olan bir y\u00f6ntemle al\u0131nmal\u0131; \u015fahitler huzurunda m\u00fch\u00fcrlenmeli, etiketlenmeli ve saklama zinciri korunmal\u0131d\u0131r. Ticari analiz numuneleriyle MARPOL numunesinin ama\u00e7lar\u0131 farkl\u0131 olabilir, ancak her ikisinin de hangi ko\u015fulda ve kim taraf\u0131ndan al\u0131nd\u0131\u011f\u0131 kay\u0131t alt\u0131na al\u0131nmal\u0131d\u0131r.<\/p>\n<p>Teslimat sonras\u0131nda <a href=\"https:\/\/marinefill.com\/blog\/marpol-bunker-delivery-note-gereklilikleri\/\">Bunker Delivery Receipt<\/a>, yani BDR, nicelik ve uygunluk a\u00e7\u0131s\u0131ndan merkezi belgedir. BDR \u00fczerinde gemi tan\u0131m\u0131, teslimat yeri ve tarihi, yak\u0131t t\u00fcr\u00fc, miktar, yo\u011funluk, s\u00fclf\u00fcr i\u00e7eri\u011fi ve tedarik\u00e7i bilgileri kontrol edilmelidir. MARPOL kapsam\u0131nda BDR\u2019nin gemide belirli saklama s\u00fcresi boyunca eri\u015filebilir olmas\u0131 gerekir. Belgedeki \u00fcr\u00fcn tan\u0131m\u0131, sipari\u015f teyidi ve fiil\u00ee teslimat bilgileri aras\u0131nda uyumsuzluk varsa, gemi ayr\u0131lmadan \u00f6nce \u00e7ekince ve d\u00fczeltme prosed\u00fcr\u00fc i\u015fletilmelidir.<\/p>\n<h2>Yak\u0131t de\u011fi\u015fimi ve tank y\u00f6netiminde riskin azalt\u0131lmas\u0131<\/h2>\n<p>VLSFO\u2019ya ge\u00e7i\u015fte as\u0131l konu yaln\u0131zca yeni yak\u0131t\u0131n kalitesi de\u011fil, sistemdeki eski yak\u0131tla etkile\u015fimidir. HFO, MGO veya \u00f6nceki bir VLSFO partisiyle kar\u0131\u015f\u0131m sonucu olu\u015fabilecek uyumsuzluk, yak\u0131t\u0131n filtrelenebilirli\u011fini etkileyebilir. Bu y\u00fczden tank plan\u0131, m\u00fcmk\u00fcnse segregasyon mant\u0131\u011f\u0131yla haz\u0131rlanmal\u0131; yeni \u00fcr\u00fcn\u00fcn hangi tanka al\u0131naca\u011f\u0131 ve hangi s\u0131rayla t\u00fcketime verilece\u011fi \u00f6nceden belirlenmelidir.<\/p>\n<p>S\u0131cakl\u0131k y\u00f6netimi de dikkat ister. Viskoziteyi motor \u00fcreticisinin hedefledi\u011fi seviyede tutacak \u0131s\u0131tma sa\u011flan\u0131rken, a\u015f\u0131r\u0131 s\u0131cakl\u0131kla yak\u0131t\u0131n stabilitesini olumsuz etkileyecek ko\u015fullardan ka\u00e7\u0131n\u0131lmal\u0131d\u0131r. Separator ayarlar\u0131 yo\u011funluk ve viskoziteye g\u00f6re yeniden g\u00f6zden ge\u00e7irilmeli; ilk t\u00fcketim saatlerinde diferansiyel bas\u0131n\u00e7, filtre durumu ve purifier \u00e7amuru yak\u0131ndan izlenmelidir.<\/p>\n<p>\u015e\u00fcpheli bir durumda yak\u0131t\u0131n hemen t\u00fcm sisteme verilmesi yerine, numune analizi ve teknik de\u011ferlendirme tamamlanana kadar ayr\u0131 tankta tutulmas\u0131 daha kontroll\u00fc bir yakla\u015f\u0131md\u0131r. Teslimat\u0131n kabul\u00fc ile yak\u0131t\u0131n t\u00fcketime al\u0131nmas\u0131 ayn\u0131 karar de\u011fildir. Bu ayr\u0131m, \u00f6zellikle y\u00fcksek t\u00fcketimli ticari gemilerde ar\u0131za ve off-hire riskini y\u00f6netmek i\u00e7in de\u011ferlidir.<\/p>\n<h2>Dijital tedarik disiplini operasyonu g\u00fc\u00e7lendirir<\/h2>\n<p>Bunker talebinin standartla\u015ft\u0131r\u0131lm\u0131\u015f bir RFQ ak\u0131\u015f\u0131yla olu\u015fturulmas\u0131, kritik bilgilerin teklif a\u015famas\u0131nda kaybolmas\u0131n\u0131 \u00f6nler. Gemi baz\u0131nda yak\u0131t ge\u00e7mi\u015fi, tercih edilen teslimat y\u00f6ntemi, s\u0131k kullan\u0131lan limanlar ve \u00f6nceki dok\u00fcmantasyon kay\u0131tlar\u0131 eri\u015filebilir oldu\u011funda, \u00e7ok gemili filolarda sat\u0131n alma kontrol\u00fc belirgin bi\u00e7imde artar. Marinefill gibi dijital bir \u00e7al\u0131\u015fma modeli, talep, tedarik\u00e7i ileti\u015fimi, fiyat referans\u0131 ve teslimat teyidini ayn\u0131 operasyon kayd\u0131nda birle\u015ftirmeyi hedefler.<\/p>\n<p>Yine de dijital h\u0131z, teknik do\u011frulaman\u0131n yerine ge\u00e7mez. Kaptan ve ba\u015fm\u00fchendis taraf\u0131ndan onaylanan yak\u0131t gereksinimi, acentenin do\u011fru ETA bilgisi ve teslimat noktas\u0131n\u0131n ger\u00e7ek k\u0131s\u0131tlar\u0131 her zaman karar\u0131n temelinde kal\u0131r. Sistem, bu bilgileri g\u00f6r\u00fcn\u00fcr ve izlenebilir hale getirdi\u011finde taraflar daha h\u0131zl\u0131 de\u011fil, ayn\u0131 zamanda daha kontroll\u00fc hareket eder.<\/p>\n<p>Bir sonraki VLSFO talebinizde \u00fcr\u00fcn ad\u0131 ve miktar\u0131n yan\u0131na mevcut ROB\u2019u, hedef tank\u0131, motor limitlerini, teslimat penceresini ve istenen belge setini ekleyin. Bu birka\u00e7 veri noktas\u0131, bunker operasyonunu fiyat pazarl\u0131\u011f\u0131ndan \u00e7\u0131kar\u0131p planlanm\u0131\u015f, izlenebilir ve emniyetli bir tedarik s\u00fcrecine d\u00f6n\u00fc\u015ft\u00fcr\u00fcr.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>VLSFO yak\u0131t\u0131n teknik se\u00e7imi, bunkering plan\u0131, ISO 8217 kontrolleri ve MARPOL belgeleriyle Aegean operasyonlar\u0131nda g\u00fcvenli tedarik ad\u0131mlar\u0131 i\u00e7in temel.<\/p>\n","protected":false},"author":1,"featured_media":112,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bunkering-guide"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - 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