
curtis enn. sii.

1918 muthal 1920 kalude arambham vare yunaittad stetts naavikasena upayogichirunna oru parakkunna bottaanu curtis ensie (curtis nevi curtis, "nancy boat" allengil "nancy" ennu vilipperulla). eee vimaanangalil patthu nirmikkappettu, athil ettavum prashasthamaayath atlaantik kadannu parakkunna aadyathe vimanamaaya ensie-4 aanu. floridayile naas pensacola naashanal museum oof neval eviyeshanil ensie-4 samrakshichirikkunnu.
vikasanam.
1918ll onnaam lokamahaayudhasamayathaanu enn. sii. sikalude nirmmaanam aarambhichath. yuu.ezz. jarmman antharvaahinikal bheeshanippeduthunna samudrajalathiloode kayatti ayaykkendivarunnathu ozhivakkaan antarvaahini virudha yuddha patrollingin saadhyamenkil swantham shakthiyil atlaantik samudrathiloode parakkaan kazhivulla oru vimanam naavikasena aagrahichu. akkaalathe vyomayaanathinte avastha kanakkiledukkumbol ithu valare abhilaashamulla oru samrambhamaayirunnu. sleeping kwartezhsum wireless traansmittar/reseaver sajjeekarichirikkunna ithuvare nirmmichathil vachu ettavum valia bipelane designukalilonnaanu navikasena curtis konduvannathu. 400 echpi (298 kilowatt) veethamulla moonnu vii12 liberty enchinukalaanu ithinu aadyam karuth pakarunnath; pareekshana ghattathil bottukale vellathil ninnu uyarthaan mathiyaya vaidyuthi srishtikkaan sahaayikkunnathin naalaamathe enchin cherkkaan maarkk mittshar shupaarsha cheythu. naalaamathe enchin oru pashar konfigareshanil midu lainil chertthu. paramavadhi vegatha 90 mile (144 kilometer/manikkoor) aayirunnu, kanakkakkiya paramavadhi paridhi 1,500 mile (2,400 kilometer) aayirunnu. naavikasenaykku "enn" ennum nirmmaathaav curtissinu "sii" ennum perittirunna ensie bottukalkku "nancy" ennu vilipperaayirunnu.
ensie-1, ensie-2 enchin nassel krameekaranangal.
thudakkathil poortthiyaaya ensie-1 nuu pradhana vimaanangalkkidayil madhyathil sthithi cheiyunna naasellukalil moonnu tractor enchinukal undaayirunnu, sentar nazelleyil rund pailattumarkkulla kokkpitt undaayirunnu. oorjjathinte abhavam kaaranam sentar nasselle uyarthukayum munnott neettiyidukayum oru pashar enchin cherkkukayum cheythu. eee enchin krameekaranatthiloode pailat kokkpitt kooduthal parambaraagatha sthaanathu puramthottatthilekku maatti.
ensie-2 sentar enchin undayirikkunnathil vyathyasthamaayirunnu, athinte moonnu komplimentukalil, oru pasharayi gadippichirikkunnu, pailattumaarude kokkpitt sentar nazelleyil nilanirthunnu. oorjjakkuravu moolam budhimuttunna ensie-2-ll naalu enchinukal cherthu baahya naasellukal upayogichu parishkkarichu (baahya naasellukal madhya nassellinode chernnu nirmmichathinaal, moonnu tractorukal/oru pashar krameekaranam apraayogikamaayirunnu). thudakkathil sentar kokkpitt nasselle nilanirtthiyenkilum ithu taamasiyaathe neekkam cheyyukayum ensie-1 nuu samanamaaya parambaraagatha kokkpitt cherkkukayum cheythu.
3x tractor/1x pashar enchinukalude pilkkala ensie-1 krameekaranavum purambhaagatthe parambaraagatha kokkpittum ensie-3 thudarnnu.
pravartthana charithram.
1918 october 4 nuu, eee vimaanangalil aadyathethu, ensie-1, aadyakaala moonnu enchin konfigareshanumaayi aadyathe pareekshana parakkal nadatthi. november 25nuu 51 perumaayi loka record niratthil veendum parannu. 
 aadyathe enn. sii. yude pareekshanatthinum naavikasenayude mattu moonnu prarambha oordarukalude nirmmaanam poortthiyaakunnathinum munbaanu europile yudhathinte avasaanathe soochippikkunna vedinirthal dinam vannath.
pareekshana ghattathil ensie-2 nuu kedupaadukal sambhavikkukayum spare parts narabhojikalaakkukayum cheythu.
mattu moonnu enn. sii. kall, enn. sii-1, enn. sii-3, enn. sii-4 enniva 1919 meyy 8 nuu newfoundland, assorus vazhi atlaantik kadannu parakkunna aadya pradarshanamaayi uddeshichirunnavayilke purappettu. juuniyar officer enna nilayil, kamaandukalilonninu anuvadicha mitsharinu enn. sii-2 bhagangalkkaayi vibhajikkendivannappol thante command nashtappettu. ensie-1 nte pailattumaaril oralaayi addeham vimaanathil pooyi. samgham asorukalil ninnu kanatha moodalmanju nerittu, ithu kroorathayode upakaranangal gadippicha vimaanathil parakkunnath angeyattam apakadakaramaakki. drishyamaaya chakravalamillathe vimanam samanilayil nilanirthunnathu valare budhimuttaayirunnu. ensie-1 vyathyastha uyarangalil sramikkukayum niravadhi manikorukal soldayarayi pravartthikkukayum cheythu, oduvil asorukalkku kurachu thaazhekku vaykkukayum prakshubdhamaaya kadalil attakuttappanikalkk kazhiyaathavidham kedupaadukal sambhavikkukayum cheythu.
enn. sii-4 maathramaan athu marikadannath. enn. sii-1-nte jeevanakkaare kadalil rakshappeduthi. vimanam asorukalilekku kondupokaanulla sramangal parajayappettu. asorukalil ninnu ekadesham 205 mile (330 kilometer) dooram erangaan ensie-3 nirbandhithanaayenkilum commander joonn henry towerukalude neethrthwathilulla kroovinu sahayamillaathe ponda delgadayilekk kappal kayattaan kazhinju. 
1921 vare naavikasenaykku rund settu enn. sii. kall koodi nirmmichirunnu, enn. sii-5 muthal enn. sii-8 vareyum enn. sii-9, enn. sii-10 vareyum.

