HMS A1
She was the lead ship of the first British A-class submarines and the only one to have a single bow torpedo tube.She was an enlarged and improved Holland-class submarine–40 ft (12 m) longer than the Royal Navy's five "Holland"-type boats.[6] Later while under tow to Portsmouth to join with the rest of the navy's submarines, seawater managed to reach her batteries, which gave off chlorine gas, forcing the evacuation of the vessel.[6] She was accidentally sunk in the Solent on 18 March 1904 whilst carrying out a practice attack on the protected cruiser HMS Juno by being struck on the starboard side of the conning tower by a mail steamer, SS Berwick Castle, which was en route from Southampton to Hamburg.[7] One consequence was that all subsequent Royal Navy submarines were equipped with a watertight hatch at the bottom of the conning tower.
Amphion-class submarineUSS A-1VickersBarrow-in-FurnessA-classsubmarinepetrol engine18 in (450 mm)torpedo tubestorpedoesRoyal Navytorpedo tubeProtection of Wrecks ActHistoric EnglandHolland-classlaid downlaunchedPortsmouthSolentprotected cruiserHMS Junostarboardconning towerSouthamptonHamburgpetrolexplosionAdmiraltyautomatic pilotBracklesham BayGray, EdwynUK Government Web ArchiveBritish A-class submarinesHolland classB classList of submarines of the Royal NavyList of submarine classes of the Royal NavyShipwrecksClallamKorietzRetvizanTsesarevichVaryagBoyarinSteregushchiyPetropavlovskMiyakoBogatyrHatsuseTatsutaYashimaYoshinoAkatsukiŌshimaGeneral SlocumHitachi MaruHMS SparrowhawkMonohansettDelfinKaimonSivuchHMS DecoyHMS ChamoisAdolpheGeorges ValentineAnnie FalconerPeresvetPobedaPalladaTakasagoAugsburgUSS ApacheHMS BarfleurHMS CanopusAsashioKasumiReshitel‘nyiHMS ArunHMS TriumphGromoboiUSS CulgoaWillehadAmericaFarallonUSS NinaPericlesPluviôseJames RolphSan GiorgioHMS BedfordPere Marquette 18ChesterWilliam C. MorelandPreussenOlympiaLothairFürst BismarckPrinz JoachimMoresbyUSS PawneeMinnehahaHMS QuailPrincess MayD.R. HannaHMS A11BrightonNord AmericaHMS C8FinlandHougomontPatrieRépubliqueRosario di GiorgioYongalaSecheltIroquoisMeridaBayardUSS SamarRMS Empress of ChinaGunildaMadeleinePontiereLibertéThree BrothersAlpagot