Judul: Penerbangan Otomatis Pesawat Tanpa Awak Jenis Sayap Tetap dengan iNav
Abstrak: Pesawat tanpa awak (UAV) dapat dikendalikan secara manual dengan remote control atau secara otomatis dengan flight controller (FC). Salah satu jenis UAV adalah sayap tetap yang memiliki bentuk seperti pesawat terbang pada umumnya. Penelitian ini bertujuan untuk melakukan penerbangan otomatis pada UAV jenis sayap tetap dengan mengkonfigurasi perangkat FC. UAV yang digunakan adalah model SkySurfer X8 dengan bentang sayap 1.4 m. FC yang digunakan adalah Matek F405-Wing yang dikonfigurasi dengan perangkat lunak iNav. Berdasarkan hasil uji terbang, UAV berhasil terbang secara otomatis mengikuti skenario yang diberikan. Skenario terjauh berupa persegi berukuran 600×600 m pada ketinggian 100 m, yang ditempuh dalam waktu sekitar 2 menit dengan kecepatan sekitar 65 km/jam. Diharapkan prosedur perakitan, konfigurasi, operasi, dan hasil data uji terbang dapat menjadi acuan dalam penelitian selanjutnya.
Keyword: iNav, penerbangan otomatis, pesawat tanpa awak, sayap tetap

Judul: DESIGN OF UNMANNED AIRCRAFT USING VERTICAL TAKE-OFF AND LANDING SYSTEM FOR AREA SCANNING
Abstrak: Kebutuhan pengukuran dan pemetaan lahan di Indonesia masih sangat tinggi. Salah satu cara yang dapat dilakukan pengambilan data efektif dan efisien adalah dengan menggunakan drone yang biasa disebut pesawat tanpa awak Unmanned Aerial Vehicle (UAV). Masing-masing dari jenis tersebut memiliki kelebihan dan kekurangan. Berdasarkan kekurangan dan kelebihan untuk masing-masing jenis drone, termasuk terkait kebutuhan wahana drone dalam melakukan pemetaan lahan ataupun untuk memperoleh citra suatu wilayah maka dirasa perlu untuk mencari solusi tersebut. Tujuan dari penelitian ini untuk melakukan rancang desain UAV menggunakan Vertical Take-Off and Landing (VTOL) sistem, dari tahap konseptual, tahap prelimineri, dan tahap detil desain. Hasil konseptual desain yang meliputi penentuan airfoil dan permodelan sayap utama. Hasil preliminery desain selanjutnya menunjukkan hasil sistribusi kecepatan udara di sekitar bodypart UAV mengalami skin friction drag pada sisi atas dan bawah body part hingga diperoleh desain utuh awal. Hasil detil desain selanjutnya menunjukkan hasil desain rangka dengan 3d model menggunakan struktur semi-monocoque, beserta keseluruhan kebutuhan penerbangan., The need for land measurement and mapping in Indonesia is still very high. One way that data collection can be carried out effectively and efficiently is by using a drone which is commonly called an Unmanned Aerial Vehicle (UAV). Each of these types has advantages and disadvantages. Based on the advantages and disadvantages of each type of drone, including the need for drones to map land or to obtain an image of an area, it is deemed necessary to find a solution. The purpose of this research is to design a UAV using the Vertical Take-Off and Landing (VTOL) system, from the conceptual stage, the preliminary stage, and the detailed design stage. The results of the conceptual design which includes determining the airfoil and modeling the main wing. The results of the preliminary design show that the air velocity distribution around the UAV body part experiences skin friction drag on the top and bottom sides of the body part until the initial intact design is obtained. The detailed design results then show the results of the frame design with a 3d model using a semi-monocoque structure, along with the overall flight requirements.
Keyword: Mapping, UAV, VTOL

Judul: Mercury Toxicity and It’s Effect on Histopathology Change of Nile Tilapia (Oreochromis niloticus).
Abstrak: Nile tilapia (Oreochromis niloticus) is one of fish species that oportunity to contaminated with mercury. The effects of pollutants can damage living organisms organs and can cause death. The effects caused mercury had acute or chronic character. The aims of this study are to determine threshold and acute toxicity of mercury chloride (HgCl2) of Nile tilapia (Oreochromis niloticus), to assess the effect of mercury chloride (HgCl2) on several biometric parameters (survival, growth rate of average daily weighted, liver condition, bile and reproductive variability of Nile tilapia (Oreochromis niloticus), assess the level of damage to the histological structure of the gills, liver and kidney of Nile tilapia (Oreochromis niloticus) caused mercury chloride (HgCl2) exposure. This study was conducted from February to June 2013. Nile Tilapia (Oreochromis niloticus) were used in this study were female with average weight 20 grams or 11-13 cm length range. Toxicant materials used in this study was mercury chloride (HgCl2). Fish were reared in each aquarium 60x40x30 containing 48 liters of water. This study consists of three stages: a preliminary test, acute test, and sub-chronic test. To determine the changes in biometric condition of tilapia approximated by measuring the survival rate (SR), the growth rate of average daily weight , the content of mercury in the fish organs, hepatosomatic index (HSI), the relative bile volume (VER), gonadal soamtic index (IKG), fecundity and oocit diameter, tissue damage caused by mercury in fish organs by making histological preparations stained with hematoxylin and eosin. The median lethal concentration (96 hr, LC50) of Mercury Chloride was calculated as 1,64 mgL--1.The survival rate was highest in the control treatment (46,67 %) . Mercury chloride with concentration 0.196 mgL--1 show significant effect to changes HSI and relative bile volume, and oocyte diameter of Nile tilapia (p < 0,05). Mercury chloride with a concentration of 0,164 mgL-1 and 0,196 mgL-1 have not a significant effect on the growth rate of weight, gonadal somatic index and fecundity of Nile tilapia (p > 0,05). Mercury chloride cause damage to gills (hyperplasia, hypertrophy, proliferation and neukrosis), liver (hyperplasia, hemorhage, shrinkage of hepatocytes, proliferation and neukrosis) and kidney (hyperplasia, hemorrhage, shrinkage of the glomerulus, proliferation and neukrosis).
Keyword: Nile tilapia, Hepatosomatic indexs (HSI), histopathology