令和元年度（第19回）電子航法研究所研究発表会

㸯㸮ࣁࢨ࣮ࢻゎᯒ࡟࠾ࡅࡿ஦๓☜⋡ࡢຠ⋡ⓗ࡞᥎ᐃ᪉ἲ࡟ࡘ࠸࡚
㸯㸬*%$69'% ࡢそᇦホ౯ᡭἲ࡟㛵ࡍࡿ᳨ウ⯟✵஺㏻⟶⌮㡿ᇦͤኳ஭἞ఫ㇂⨾Ⓩ㔛ᯇᒸ⊛⯟ἲࢩࢫࢸ࣒㡿ᇦͤẟሯᩔ㸪ᩧ⸨┿஧1㟷ᒣᏛ㝔኱Ꮫ㡲㈡Ⰻ௓㸪ᖹ஭⩧ኴᮁ㸪㯮⏣ဴྐ㸪ᶫᮏಟ
ᐜྍ⬟ᇶ‽ࢆඖࠎୗᅇࡗ࡚࠸ࡿࣁࢨ࣮ࢻࡢࣜࢫ
ᖾ࠸࡟ࡶ࢖ࣥࢩࢹࣥࢺ࡛Ṇࡲࡿࡶࡢࡶྵࡵ࡚㸪ࢡࡶ㸪ṧ␃ࣜࢫࢡ࡜⪃࠼ࡿࠋࡣࡌࡵ࡟䢢ṧᛕ࡞ࡀࡽ⯟✵ᶵ஦ᨾࡣ⤯࠼࡞࠸ࠋᅜ㝿Ẹ㛫⯟✵1 ࡣࡌࡵ࡟
ᶵ㛵㸦International Civil Aviation Organization㸸㟁Ꮚ⯟ἲ◊✲ᡤ࡛ࡣ㸪ᅜෆ࡟࠾ࡅࡿ GBAS
ICAO㸧࡛ࡣ㸪ᅜ㝿Ẹ㛫⯟✵᮲⣙ࡢ➨11 ᬑཬ࡟ྥ
㝃ᒓ᭩ࠕ⯟(Ground-Based
Augmentation System)✵஺㏻ᴗົࠖ࡟ࠕ᪂᪉ᘧࡢᑟධ࡞࡝⯟✵஺㏻⟶ไࡅ࡚㸪㐠⏝ㄢ㢟ࡢ୍ࡘ࡛࠶ࡿᆅୖᒁࡢタ⨨ᢏ⾡㸦Air
Traffic Control㸸ATC㸧ࢩࢫࢸ࣒ࡢࣜࢫࢡࢆ
࡟㛵ࡍࡿ◊✲ࢆ⾜ࡗ࡚࠸ࡿࠋGBASࡣ⢭ᐦ㐍ධࢆ⾨ᫍ⯟ἲ࡟ࡼࡾᐇ⌧ࡍࡿḟୡ௦╔㝣ࢩࢫࢸ࣒క࠺ኚ᭦࡟㝿ࡋ㸪஦๓㸭஦ᚋࡢࣜࢫࢡホ౯ࢆ⾜࠸㸪࡛㸪ᆅୖ࠿ࡽGPSࡢ⢭ᗘ࡜Ᏻ඲ᛶࢆྥୖࡍࡿࡓ
ࡑࡢࣜࢫࢡࢆチᐜ࡛ࡁࡿ⠊ᅖෆ࡟ᢚ࠼⥆ࡅ࡞ࡉࡵࡢ⿵ᙉ᝟ሗ㸪⤒㊰᝟ሗࢆVHFᖏࢹ࣮ࢱᨺ㏦
࠸ࠖ㸦Annex 11 2-26㸧[1]࡜࠸࠺㊃᪨ࡢグ㏙ࡀ 2000
(VDB:VHF Data Broadcast)࡟ࡼࡾ108㹼118MHz
ᖺ࡟㏣ຍࡉࢀ㸪ࡇࡢࡼ࠺࡞ሙྜࡢࣜࢫࢡホ౯ࡀ⩏࡛⯟✵ᶵ࡟ྥࡅ࡚ᨺ㏦ࡍࡿ[1]ࠋ⮬ື╔㝣ࢆࢧ࣏ົ໬ࡉࢀࡓࠋ௨᮶㸪᪥ᮏ࡛ࡶATC 㛵㐃ࡢࣜࢫࢡ࣮ࢺࡍࡿࡓࡵ㸪ୖ✵ࡔࡅ࡛࡞ࡃ㸪⁥㉮㊰ୖ࡟ࡶホ౯ࡀ㢖⦾࡟⾜ࢃࢀ࡚࠸ࡿࠋ౛࠼ࡤ㸪RNP
ARࢧ࣮ࣅࢫࢆᥦ౪ࡍࡿᚲせࡀ࠶ࡾ㸪ICAOࡢSARPs(ᶆ‽ཬࡧ່࿌᪉ᘧ)㸦Required
Navigation࡛ࡣ㸪⁥㉮㊰ୖ12ft㹼36ft
Performance ̽Authorization
࡛-87dBmࡢཷಙ㟁ຊࡀせồࡉࢀ࡚࠸ࡿ㸦ཷಙ࢔
Required㸸≉ูチྍࢆせࡍࡿ⯟ἲᛶ⬟せ௳㸧㐍ධࣥࢸࢼ↓ᣦྥᛶ㸪ᶵయᐇ⿦ᦆኻ15dBྵࡴ㸧[2]ࠋ
᪉ᘧ [2] ࡢᑟධ᫬࡟ࡣ㣕⾜㐠⏝Ᏻ඲ᛶホ౯㸦Flight✵ 㠃ୖࡢ VDB ࡢそᇦホ౯ࡣ୺࡟ᐇ㦂⏝㌴
Operational Safety Assessment㸸FOSA㸧࡜࿧ࡤࢀࡿ
୧࡟ࡼࡿᐇ ࡛⾜ࢃࢀࡿࡀ㸪VDB ࢔ࣥࢸࢼࡢ㐺ࣁࢨ࣮ࢻゎᯒࡢࡓࡵࡢ఍㆟ࡀᐇ᪋ࡉࢀ࡚࠸ࡿࠋษ࡞タ⨨఩⨨ࢆỴᐃࡍࡿࡇ࡜ࡣヨ⾜㘒ㄗࢆక࠺ᅜ㝿Ẹ㛫⯟✵ᶵ㛵ࡢᏳ඲ᛶ⟶⌮࣐ࢽࣗ࢔ࣝ
ࡓࡵ㸪⦾㞧࡜࡞ࡿࠋࡑࡇ࡛㸪㟁Ἴఏᦙࢩ࣑ࣗࣞ
࣮ࢩࣙࣥ࡟ࡼࡾ㧗⢭ᗘ࡟ཷಙ㟁ຊࢆホ౯࡛ࡁࡿ㸦Safety
Management Manual㸸SMM㸧[3]࡛ࡣᅗ 1ࡇ࡜ࡀᮃࡲࡋ࠸ࠋ
࡟♧ࡍࡼ࠺࡞⦪㍈࡟㔜኱ࡉ㸦Severity㸧㸪ᶓ㍈࡟㟁Ἴఏᦙゎᯒᡭἲ࡟ࡣ㸪⁥㉮㊰ୖࡢ㟁⏺ࣞ࣋Ⓨ⏕㢖ᗘ㸦Frequency㸧ࢆ࡜ࡗࡓࣜࢫࢡ࣐ࢺࣜࢡ
ࣝࢆ⢭ᗘⰋࡃồࡵࡽࢀࡿ㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲࢫ࡜࿧ࡤࢀࡿ⾲ࢆ౑⏝ࡋ࡚ࣜࢫࢡホ౯ࢆ⾜࠺ࡇ࡜ᗄఱගᏛ㏆ఝࢆ࣮࣋ࢫ࡜ࡋࡓࣞ࢖ࢺ࣮ࣞࢫἲ
࡜ࢆ᥎ዡࡋ࡚࠸ࡿࠋୖ㏙ࡢFOSA ఍㆟࡛ࡶ㸪ࡇࡢࡀ࠶ࡿࠋࡋ࠿ࡋ㸪㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲࢆᗈ኱
ࡼ࠺࡞ࣜࢫࢡ࣐ࢺࣜࢡࢫࡀ౑⏝ࡉࢀ࡚࠸ࡿࠋ࡞✵ 㠃඲య࡟㐺⏝ࡍࡿࡓࡵ࡟ࡣ㸪⭾኱࡞ィ⟬ࢥࢫࢺࢆᚲせ࡜ࡍࡿࠋࡲࡓ㸪ࣞ࢖ࢺ࣮ࣞࢫἲࡣ㸪ࡋ࠿ࡋ㸪ࣜࢫࢡ࣐ࢺࣜࢡࢫࡣⓎ⏕㢖ᗘࡸ㔜኱ࡉẚ㍑ⓗ㧗࠸࿘Ἴᩘᖏ࡛⏝࠸ࡽࢀ㸪VHF
ᖏ࡛ࡣ⢭ࢆ᥎ᐃࡍࡿ᫬Ⅼ࡛ホ౯⪅ࡢ୺ほࡀධࡗࡓᐃᛶⓗᗘࡀຎ໬ࡍࡿࠋࡑࡇ࡛ᮏ◊✲࡛ࡣ㸪୧⪅ࡢ฼Ⅼ࡞ࡶࡢ࡟࡞ࡗ࡚࠸ࡿ࡜⪃࠼ࡿࠋ᭦࡟㸪ࣜࢫࢡࡀᩘ
ࢆά⏝ࡋࡓ᪂ࡓ࡞㸰ࡘࡢ㟁Ἴఏᦙゎᯒᡭἲࢆ㟷್࡜ࡋ࡚ᚓࡽࢀ࡞࠸ࡓࡵ㸪ṧ␃ࣜࢫࢡ࡟㛵ࡍࡿᐃᒣᏛ㝔኱Ꮫ࡜㐃ᦠࡋ࡚㛤Ⓨࡋࡓࠋࡇࡢ㸰ࡘࡢᡭ㔞ⓗ࡞᳨ウࡀ࡛ࡁ࡞࠸ࠋᑦ㸪ᮏ✏࡛ࡣ㸪ࡑࡢࡲࡲἲࡣ GBAS ࡢタ⨨≧ἣ࡟ᛂࡌ࡚౑࠸ศࡅࡿࡇ࡜࡛ࡣチᐜྍ⬟ᇶ‽್ࢆ‶ࡓࡉ࡞࠸ࡓࡵ㸪
ࣜࢫࢡ㍍
ࡀྍ⬟࡛࠶ࡿࠋ㔜せ࡜࡞ࡿࠋࡇࢀࡽࡢホ౯ࢆྠᵝ࡟ᐇ㦂㌴୧࡟Ⓨ⏕㢖ᗘࡼࡾホ౯ࡍࡿࡢࡣ⦾㞧࡛࠶ࡿࡓࡵ㸪ᐇ㦂ᐊ࡛ホṤ䛹䛒䜚 ᴟ䜑䛶㉳ ㉳䛣䜚䛻䜔䜔ከ䛔㢖⦾౯࡛ࡁࡿࡼ࠺࡞
ᐃ⣔ᵓ⠏ࡋࡓࠋ⤖ᯝࡢ୍౛࡜
ᚓ䛺䛔
䛣䜚䛻䛟䛔
䛟䛔
࡜ࡶ࡟ᮏ✏࡟࡚♧ࡍࠋቯ⁛ⓗ せ㍍ῶ⟇ せ㍍ῶ⟇ チᐜ୙ྍ チᐜ୙ྍ チᐜ୙ྍチᐜྍ⬟せ㍍ῶ⟇ せ㍍ῶ⟇ チᐜ୙ྍ チᐜ୙ྍ
GBAS
VDB ఏᦙゎᯒ࡟࠾ࡅࡿㄢ㢟2 ༴㝤
㔜 」㞧࡞ᵓ㐀࡟࠾ࡅࡿ㟁Ἴࡢ᣺ࡿ⯙࠸ࢆィ⟬࡛኱ 㧗䛔 チᐜྍ⬟ せ㍍ῶ⟇ せ㍍ῶ⟇ せ㍍ῶ⟇ チᐜ୙ྍࡁࡿ㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲ࡟ࡣ࣮࣓ࣔࣥࢺἲ㸪䛥ప䛔 チᐜྍ⬟ チᐜྍ⬟せ㍍ῶ⟇ せ㍍ῶ⟇ せ㍍ῶ⟇ἲ࡞࡝ࡀ࠶ࡾ㸪ࣇ࢚࣮ࣝ࢘
᭷㝈せ⣲ἲ㸪FDTD
ࣈゎᯒᡭἲ࡜࿧ࡤࢀ࡚࠸ࡿࠋ㧗⢭ᗘ࡞ィ⟬ࡀྍᴟᑠ チᐜྍ⬟ チᐜྍ⬟ チᐜྍ⬟ せ㍍ῶ⟇ せ㍍ῶ⟇⬟࡛࠶ࡿ཯㠃㸪Ἴ㛗࡟ẚ࡭࡚኱ࡁ࡞ᵓ㐀≀ࡢィᅗ  ࣜࢫࢡ࣐ࢺࣜࢡࢫࡢ౛
⟬࡟ࡣィ⟬᫬㛫࡜ィ⟬࣓ࣔࣜࢆᚲせ࡜ࡍࡿࡓࡵ㸪✵ 㠃඲య࡟㐺⏝ࡍࡿࡓࡵ࡟ࡣ⭾኱࡞ィ⟬ࢥࢫࢺࡀᚲせ࡜࡞ࡿ[3]ࠋ
ࣜࢫࢡࢆᐃ㔞ⓗ࡟ホ౯ࡋࡼ࠺࡜ࡍࡿヨࡳࡣ௚୍᪉࡛㸪ࣞ࢖ࢺ࣮ࣞࢫἲࡣ㟁Ἴࡢఏᦙࢆග⥺࡛ࡶ⾜ࢃࢀ࡚࠾ࡾ㸪⏘ᴗ⏺ࡢ᳨ウࢢ࣮ࣝࣉ࡛࠶ࡿ
㏆ఝ࡛ᢅࡗࡓࡶࡢ࡛࠶ࡾ㸪ᘓ≀࡟ࡼࡿ㟁Ἴࡢ཯
ARMS㸦Aviation Risk Management Solutions㸧࡟ࡼᑕ࣭ᅇᢡࢆ⪃៖ࡋࡓそᇦィ⟬ホ౯ࡀྍ⬟࡛࠶ࡿࠋ[4]
ࡸ᭱㏆࡛ࡣ↓ே⯟✵ᶵ
㸦Unmanned Aerialࡿᥦ᱌ࣇ࢚࣮ࣝ࢘ࣈゎᯒ࡟ẚ࡭࡚㸪ィ⟬ࢥࢫࢺࡀᑠࡉ
Vehicle㸸UAV㸧ࡢࣜࢫࢡホ౯࡟࠾࠸࡚㔜㔞ࡸ㏿ࡃ῭ࡴ཯㠃㸪ᘓ≀ᵓ㐀ࡀᑠࡉ࠸ሙྜ࡟ࡣ㟁ἼࡢἼືⓗ࡞᣺ࡿ⯙࠸࡟ࡼࡾගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕ᗘࢆᇶ࡟⾪✺᫬ࡢ࢚ࢿࣝࢠ࣮ࢆ⪃࠼ࡓ㔜኱ࡉࡢ
[5]ࡍࡿࠋㄗᕪࡣタ⨨≧ἣ࡟౫Ꮡࡍࡿࡀ㸪ᩘἼ㛗௨࡞࡝ࡀ࠶ࡿࠋᐃ㔞ⓗ᥎ᐃୗ࡛ගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕ࡍࡿሙྜ㸪VDB ࡢἼᡃࠎࡣࣁࢨ࣮ࢻࡢᐃ㔞ⓗホ౯ᡭἲ࡟ࡘ࠸࡚ 5㛗ࡀ 3m ⛬ᗘ࡛࠶ࡿࡇ࡜ࢆ⪃៖ࡍࡿ࡜㸪ᘓ≀ࢧᖺ⛬๓࠿ࡽ◊✲ࢆ⥆ࡅ㸪ᥦ᱌ [6]-[13]ࡋ࡚࠸ࡿࠋᥦ
࢖ࢬ࠾ࡼࡧᘓ≀㛫ࡢ㝽㛫ࡀ 10m ௨ୗ࡜࡞ࡿሙྜ
᱌ᡭἲ࡛ࡣࣁࢨ࣮ࢻࡢⓎ⏕㢖ᗘࡣேⓗ㐣ㄗ☜⋡࡟ࡣㄗᕪࡀⓎ⏕ࡍࡿࠋ㸦HumanError Probability㸸HEP㸧[14]ࡸ Performance᪥ᮏᅜෆ࡟ࡣ」ᩘࡢ⁥㉮㊰ࢆ᭷ࡍࡿ✵
ࡀ࠶
[15]
ࡿࡓࡵ㸪
GBAS 㐠⏝࡟࠾࠸࡚ࡣ
1 ࡘࡢ VDB ࡟ࡼ࡞࡝ࢆ⏝࠸࡚ᩘ್໬ࡋ㸪
Shaping
Factor㸦PSF㸧
ࡾ」ᩘࡢ⁥㉮㊰㠃࡟ࢧ࣮ࣅࢫࡍࡿࡇ࡜ࡀ᝿ᐃࡉ
㔜኱ࡉ࡟ࡘ࠸࡚ࡣ 5 ẁ㝵ホ౯ࡋࡓࡶࡢࢆᩘ್໬
ࢀࡿࠋࡉࡽ࡟ᆅ㠃཯ᑕ࡟ࡼࡿୖ✵࡛ࡢཷಙ㟁ຊࡍࡿࠋᚓࡽࢀࡓࣁࢨ࣮ࢻࡢࣜࢫࢡ್ࡣ㊊ࡋྜࢃࡏపୗࢆⓎ⏕ࡉࡏ࡞࠸ࡓࡵ࡟ࡣ VDB ࢔ࣥࢸࢼタࡿࡇ࡜ࡀ࡛ࡁ㸪ࡇࢀࢆ⏝࠸࡚ṧ␃ࣜࢫࢡࡢྜィࢆ⨨㧗ࡉࢆపࡃࡍࡿᚲせࡀ࠶ࡿࠋࡇࡢࡼ࠺࡞タ⨨ィ⟬࡛ࡁࡿࡼ࠺࡟ࡍࡿࠋ
ࣁࢨ࣮ࢻࡣヲ⣽࡟ศࡅࡿ᮲௳ୗ࡟࠾࠸࡚ࡣ㸪ᘓ≀࡟཯ᑕ࠾ࡼࡧᘓ≀㛫ࢆ࡯࡝᥎ᐃ⢭ᗘࡀྥୖࡋ㸪₃ࢀࡀᑡ࡞ࡃ࡞ࡿࡇ࡜࡛
㏻㐣ࡍࡿ㟁Ἴࡢఏᦙࢆ㸪≉Ṧ࡞኱ᆺィ⟬ᶵࢆ⏝࠸ࡿࡇ࡜࡞ࡃỗ⏝ PC ࡟ࡼࡾ㧗⢭ᗘ࡟ゎᯒࡍࡿࣜࢫࢡࡢ㐣ᑠホ౯ࡶᢚ࠼ࡽࢀࡿࠋ
࢔ࣝࢦࣜࢬ࣒ࡢ㛤Ⓨࡀᚲせ࡜࡞ࡿࠋᮏ✏࡛ࡣ㸪ୖグࡢṧ␃ࣜࢫࢡࡢྜィࡢ᥎ᐃࢆ┠ࡲࡓ㸪ཷಙ㟁ຊࡢపୗ࣭▐᩿ࡀ⏕ࡌࡓሙྜ㸪ῶ⟇ࢆㅮࡌ࡚ࣜࢫࢡࢆチᐜྍ⬟ᇶ‽௨ୗ࡟ᢚ࠼
GBAS
ᶵୖ⿦⨨࡬࡝ࡢࡼ࠺࡞ᙳ㡪ࢆ୚࠼ࡿ࠿ࢆ
࡚ࡶṧࡗ࡚ࡋࡲ࠺ࣜࢫࢡࢆṧ␃ࣜࢫࢡ࡜࿧ࡪࠋチ᫂ࡽ࠿࡟ࡋ࡚࠾ࡃࡇ࡜ࡣ GBAS ࢆ㐠⏝ࡍࡿୖ࡛-47-1-47-

19-05-113_本文.indd

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令和元年度（第19回）電子航法研究所研究発表会

令和元年度（第19回）電子航法研究所研究発表会

ᶵࡸ UAV ࡣྵࡵ࡞࠸ࡇ࡜࡟ࡍࡿࠋ

ᶆ࡜ࡋࡓ㛤Ⓨ୰ࡢᥦ᱌ᡭἲ࡟㛵ࡋ࡚ᴫㄝࡍࡿࠋ≉% ࡢそᇦホ౯ᡭἲ࡟㛵ࡍࡿ᳨ウ࡟ࠕ஦㇟ࠖ࡜ࠕฟ᮶஦ࠖࡢᴫᛕࢆྲྀࡾධࢀ࡚㸪ࠕ஦

2.3 ࣁࢨ࣮ࢻゎᯒ๓☜⋡ࠖࢆ᥎ᐃࡍࡿ᪉ἲ࡟ࡘ࠸࡚ሗ࿌ࡍࡿࠋ
⯟ἲࢩࢫࢸ࣒㡿ᇦͤẟሯᩔ㸪ᩧ⸨┿஧ࣁ ࢨ ࣮ ࢻ ゎ ᯒ ࡣ ࣁ ࢨ ࣮ ࢻ ྠ ᐃ 㸦 Hazard㟷ᒣᏛ㝔኱Ꮫ㡲㈡Ⰻ௓㸪ᖹ஭⩧ኴᮁ㸪㯮⏣ဴྐ㸪ᶫᮏಟ
2 Ᏻ඲ᛶホ౯
2.1 ᅜ㝿Ẹ㛫⯟✵ᶵ㛵ࡢືྥ

Identification㸧࡜ࣜࢫࢡホ౯㸦Risk Assessment㸧࡟ศࡅࡽࢀࡿࠋࣁࢨ࣮ࢻྠᐃࡣࣁࢨ࣮ࢻࢆぢࡘࡅ ᅜ㝿Ẹ㛫⯟✵ᶵ㛵㸦ICAO㸧࡛ࡣ㸪2006 ᖺ࡟Ᏻ
㔜せ࡜࡞ࡿࠋࡇࢀࡽࡢホ౯ࢆྠᵝ࡟ᐇ㦂㌴୧࡟
඲ᛶ⟶⌮࣐ࢽࣗ࢔ࣝ㸦SMM㸧[3]ࡢ➨ 1 ∧ࡀⓎ⾜ࡉࡼࡾホ౯ࡍࡿࡢࡣ⦾㞧࡛࠶ࡿࡓࡵ㸪ᐇ㦂ᐊ࡛ホࢀࡓࠋࡑࡢᚋ㸪➨2 ∧㸦2009 ᖺ㸧㸪➨ 3 ∧㸦2013౯࡛ࡁࡿࡼ࠺࡞
ᐃ⣔ᵓ⠏ࡋࡓࠋ⤖ᯝࡢ୍౛࡜
ᖺ㸧࡜ᨵゞࡀ⥆ࡅࡽࢀ㸪᫖ᖺ㸦2018 ᖺ㸧࡟᭱᪂࡜ࡶ࡟ᮏ✏࡟࡚♧ࡍࠋ∧࡛࠶ࡿ➨ 4 ∧ࡀⓎ⾜ࡉࢀࡓࠋVDBఏᦙゎᯒ࡟࠾ࡅࡿㄢ㢟2 GBAS SMM
ࡢ୰࡟ࡣ㸪2000
ᖺ࡟ Annex 11[1]࡟ຍ࠼ࡽ
」㞧࡞ᵓ㐀࡟࠾ࡅࡿ㟁Ἴࡢ᣺ࡿ⯙࠸ࢆィ⟬࡛ࢀࡓࣜࢫࢡホ౯ࡢලయⓗ࡞᥎ዡᐇ᪋᪉ἲࡀグ㍕ࡁࡿ㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲ࡟ࡣ࣮࣓ࣔࣥࢺἲ㸪ࡉࢀ࡚࠸ࡿࠋ∧࡟ࡼࡾෆᐜࡀ␗࡞ࡾ㸪➨ 1 ∧࡟グ᭷㝈せ⣲ἲ㸪FDTD ἲ࡞࡝ࡀ࠶ࡾ㸪ࣇ࢚࣮ࣝ࢘
㍕ࡉࢀ࡚࠸ࡓᐃ㔞ⓗ࡞ホ౯ᡭἲࡀ➨ 2 ∧࠿ࡽࡣࣈゎᯒᡭἲ࡜࿧ࡤࢀ࡚࠸ࡿࠋ㧗⢭ᗘ࡞ィ⟬ࡀྍᢤࡅ࡚㸪ࣜࢫࢡ࣐ࢺࣜࢡࢫ➼ࢆ⏝࠸ࡓࣁࢨ࣮ࢻゎ⬟࡛࠶ࡿ཯㠃㸪Ἴ㛗࡟ẚ࡭࡚኱ࡁ࡞ᵓ㐀≀ࡢィᯒ࡟㔜Ⅼࡀ⨨࠿ࢀࡿࡼ࠺࡟࡞ࡗ࡚࠸ࡿࠋ
⟬࡟ࡣィ⟬᫬㛫࡜ィ⟬࣓ࣔࣜࢆᚲせ࡜ࡍࡿࡓࡵ㸪✵ 㠃඲య࡟㐺⏝ࡍࡿࡓࡵ࡟ࡣ⭾኱࡞ィ⟬ࢥࢫࡲࡓ㸪2013 ᖺ 11 ᭶࡟➨ 19 㝃ᒓ᭩ࠕᏳ඲ᛶ⟶[16]
ࢺࡀᚲせ࡜࡞ࡿ[3]ࠋ
ࡀ᪂ࡓ࡟Ⓨ⾜ࡉࢀࡓࠋ⌮㸦Safety Management㸧୍ࠖ᪉࡛㸪ࣞ࢖ࢺ࣮ࣞࢫἲࡣ㟁Ἴࡢఏᦙࢆග⥺㝃ᒓ᭩ࡢ୍ࡘ࡜ࡋ࡚సᡂࡉࢀࡓࡇ࡜ࡣ㸪ICAO ࡟㏆ఝ࡛ᢅࡗࡓࡶࡢ࡛࠶ࡾ㸪ᘓ≀࡟ࡼࡿ㟁Ἴࡢ཯࠾ࡅࡿᏳ඲ᛶ⟶⌮࡬ࡢ㛵ᚰࡢ㧗ࡉࡀఛ࠼ࡿࠋ2016ᑕ࣭ᅇᢡࢆ⪃៖ࡋࡓそᇦィ⟬ホ౯ࡀྍ⬟࡛࠶ࡿࠋᖺ࡟ᨵゞࡉࢀ᭱᪂∧ࡣ➨ 2 ∧࡜࡞ࡗ࡚࠸ࡿࠋ
ࣇ࢚࣮ࣝ࢘ࣈゎᯒ࡟ẚ࡭࡚㸪ィ⟬ࢥࢫࢺࡀᑠࡉࡃ῭ࡴ཯㠃㸪ᘓ≀ᵓ㐀ࡀᑠࡉ࠸ሙྜ࡟ࡣ㟁ἼࡢἼືⓗ࡞᣺ࡿ⯙࠸࡟ࡼࡾගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕
2.2 ࣁࢨ࣮ࢻ
ࡍࡿࠋㄗᕪࡣタ⨨≧ἣ࡟౫Ꮡࡍࡿࡀ㸪ᩘἼ㛗௨⡿ᅜ⯟✵ᒁ㸦Federal Aviation Administration㸸
ୗ࡛ගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕ࡍࡿሙྜ㸪VDB ࡢἼ
FAA㸧ࡀ 1998 ᖺ࡟Ⓨ⾜ࡋࡓᩥ᭩ Safety Risk
㛗ࡀ 3m ⛬ᗘ࡛࠶ࡿࡇ࡜ࢆ⪃៖ࡍࡿ࡜㸪ᘓ≀ࢧManagement㸦FAA ORDER 8040.4㸧[17]࡛ࡣ㸪ࣁ࢖ࢬ࠾ࡼࡧᘓ≀㛫ࡢ㝽㛫ࡀ 10m ௨ୗ࡜࡞ࡿሙྜ
ࢨ࣮ࢻ㸦Hazard㸧ࡣ㸪ࠕணᮇࡋ࡞࠸㸪ࡲࡓࡣᮇᚅ
࡟ࡣㄗᕪࡀⓎ⏕ࡍࡿࠋࡋ࡞࠸ฟ᮶஦ࢆᑟ࠸ࡓࡾ㸪ࡑࡢཎᅉ࡜࡞ࡗࡓࡾࡍ
᪥ᮏᅜෆ࡟ࡣ」ᩘࡢ⁥㉮㊰ࢆ᭷ࡍࡿ✵ࡀ࠶ࡿࡓࡵ㸪
GBAS 㐠⏝࡟࠾࠸࡚ࡣ 1 ࡘࡢ VDB ࡟ࡼࡿ≧ែ㸪஦㇟㸪≧ἣࠖ࡜ᐃ⩏ࡉࢀ࡚࠸ࡿࠋࡇࡢᩥ
ࡾ」ᩘࡢ⁥㉮㊰㠃࡟ࢧ࣮ࣅࢫࡍࡿࡇ࡜ࡀ᝿ᐃࡉ
᭩ࡣ㸪2012 ᖺ࡜ 2017 ᖺ࡟ᨵゞࡉࢀ㸪2017 ᖺ∧࡛ࢀࡿࠋࡉࡽ࡟ᆅ㠃཯ᑕ࡟ࡼࡿୖ✵࡛ࡢཷಙ㟁ຊ
࠶ࡿ 8040.4B[18]࡛ࡣ㸪ᪧ∧࡛ࠕ஦ᨾࠖ࡜ࡉࢀ࡚࠸
పୗࢆⓎ⏕ࡉࡏ࡞࠸ࡓࡵ࡟ࡣ VDB ࢔ࣥࢸࢼタࡓᑐ㇟ࡀලయⓗ࡟ࠕ⯟✵ᶵ஦ᨾࠖ࡜࡞ࡗ࡚࠸ࡿࠋ
⨨㧗ࡉࢆపࡃࡍࡿᚲせࡀ࠶ࡿࠋࡇࡢࡼ࠺࡞タ⨨ᮏ✏࡛ࡣ㸪ࡇࢀ࡟ೌ࠸ࠕ⯟✵ᶵ஦ᨾ➼ࡢᮇᚅࡋ᮲௳ୗ࡟࠾࠸࡚ࡣ㸪ᘓ≀࡟཯ᑕ࠾ࡼࡧᘓ≀㛫ࢆ࡞࠸ฟ᮶஦ࡢཎᅉ࡜࡞ࡿ≧ែ㸪஦㇟㸪≧ἣࠖࢆࣁ㏻㐣ࡍࡿ㟁Ἴࡢఏᦙࢆ㸪≉Ṧ࡞኱ᆺィ⟬ᶵࢆ⏝ࡅࡿ GBAS
ᬑཬ࡟ྥ
ࡢタ⨨ᢏ⾡
ࡣ⢭ᐦ㐍ධ
㝣ࢩࢫࢸ࣒
ྥୖࡍࡿࡓ
࣮ࢱᨺ㏦
㹼118MHz╔㝣ࢆࢧ࣏㉮㊰ୖ࡟ࡶOࡢSARPs
12ft㹼36ftࡿ㸦ཷಙ࢔ྵࡴ㸧[2]ࠋ
࡟ᐇ㦂⏝㌴
ࣥࢸࢼࡢ㐺
㘒ㄗࢆక࠺
ᦙࢩ࣑ࣗࣞ
ホ౯࡛ࡁࡿ

ࡢ㟁⏺ࣞ࣋
⏺ゎᯒᡭἲ
ࢺ࣮ࣞࢫἲ
ᡭἲࢆᗈ኱
⭾኱࡞ィ⟬
࣮ࢫἲࡣ㸪
ᖏ࡛ࡣ⢭
୧⪅ࡢ฼Ⅼ
ᯒᡭἲࢆ㟷
ࡢ㸰ࡘࡢᡭ
ศࡅࡿࡇ࡜

࠸ࡿࡇ࡜࡞ࡃỗ⏝PC ࡟ࡼࡾ㧗⢭ᗘ࡟ゎᯒࡍࡿࢨ࣮ࢻ࡜࿧ࡪࡇ࡜࡟ࡍࡿࠋ
ࡇࡇ࡛୺ᑐ㇟࡜ࡍࡿ⯟࢔ࣝࢦࣜࢬ࣒ࡢ㛤Ⓨࡀᚲせ࡜࡞ࡿࠋ✵ᶵࡣ㸪⯟✵⟶ไࡢᑐ㇟࡜࡞ࡿ⯟✵ᶵ࡜ࡋ㸪㌷⏝

ࡌࡓሙྜ㸪
୚࠼ࡿ࠿ࢆ
⏝ࡍࡿୖ࡛

࣮ࢻ࡟ᑐࡍࡿࣜࢫࢡࢆᐃᛶⓗࡲࡓࡣᐃ㔞ⓗ࡟᥎ᐃࡋ㸪ホ౯ࡍࡿࡇ࡜࡛࠶ࡿࠋᅗ 2 ࡟ᴫᛕࢆ♧ࡍࠋᅗ  ࣁࢨ࣮ࢻゎᯒࣁࢨ࣮ࢻྠᐃࢆࡋ᫆ࡃࡍࡿ᪉ἲ࡜ࡋ࡚ணഛⓗࣁࢨ࣮ࢻࣜࢫࢺ㸦Preliminary Hazard List㸧[19] ࡸ
HAZOP㸦Hazard and Operability Study㸧[20]ࡀ࠶ࡿࠋ
HAZOP ࡛ࡣ㸪࠶ࡿࣉࣟࢭࢫ㸦౛࠼ࡤ㸪ࣛࣥࢹ࢕ࣥࢢࢠ࢔ࡢ᧯స㸧࡟ᑐࡋ㸪ࠕ᪩࠸ࠖ㸪ࠕ㐜࠸ࠖ㸪ࠕ࡞࠸ࠖ࡞࡝ࡢᙜヱࣉࣟࢭࢫ࠿ࡽࡢࢬࣞࢆ⪃࠼࡚ࣁࢨ࣮ࢻྠᐃࢆࡋ᫆ࡃࡍࡿࠋࣜࢫࢡホ౯ࡢᡭἲ࡜ࡋ࡚ࡣ㸪ᨾ㞀ᮌศᯒ㸦Fault
Tree Analysis㸸FTA㸧[21]ࡸ஦㇟ᮌศᯒ㸦Event Tree
Analysis 㸸 ETA 㸧 [22] 㸪 ཎ ᅉ ⤖ ᯝ ゎ ᯒ 㸦 CauseConsequence Analysis㸸CCA㸧[23]➼ࡀ࠶ࡿࠋ
3ᥦ᱌ࡍࡿᐃ㔞ⓗࣜࢫࢡホ౯ᡭἲ

3.1 ᴫせᮏ✏࡛ࡣ஦๓☜⋡ࢆࠕ࠶ࡿࣁࢨ࣮ࢻࢆ⪃࠼ࡿ࡜ࡁ㸪┤᥋ࡢཎᅉ࡜࡞ࡿேⓗ㐣ㄗࡀ㉳ࡇࡿ᮲௳ࡀᥞ
࠺☜⋡ࠖ࡜ᐃ⩏ࡍࡿࠋ┤᥋ࡢཎᅉ࡜࡞ࡿேⓗ㐣ㄗ☜⋡ࡸᚰ⌮࣭⎔ቃ➼ࡢ≧ἣࢆ⪃៖ࡍࡿࡓࡵࡢ್
㸦PSF[15]್㸧ࢆྵࡵ࡞࠸್࡛࠶ࡿࠋ
ࣁࢨ࣮ࢻࡢࣜࢫࢡ್ R H ࡣḟᘧ࡛᥎ᐃࡍࡿࠋ

-48-48--1-

19-05-113_本文.inddࡿ㸦Ὑ࠸ฟࡍ㸧ࡇ࡜࡛㸪ࣜࢫࢡホ౯ࡣ㸪ࡑࡢࣁࢨ48

48

2019/05/24

14:47:24

令和元年度（第19回）電子航法研究所研究発表会

R H =P c HEPPSFS(1)ࡢᅔ㞴ᗘ➼࡟ࡼࡾேⓗ㐣ㄗ☜⋡ࡀኚࢃࡿ࡜࠸࠺

㸯㸬*%$69'% ࡢそᇦホ౯ᡭἲ࡟㛵ࡍࡿ᳨ウࡇࡇ࡛㸪P c ࡣᙜヱࣁࢨ࣮ࢻࡀ㉳ࡇࡿ஦๓☜⋡㸪௬ᐃࡢୗ࡛ࡑࡢ≧ἣ࡟ᑐࡍࡿ㔜ࡳ࡜ࡋ࡚⏝࠸ࡿࠋ౛࠼ࡤ㸪⥭ᙇឤࡀ㧗࠸ሙྜ࡟ࡣ
2 ಸ [27]㸪ືⓗ࡞⯟ἲࢩࢫࢸ࣒㡿ᇦͤẟሯᩔ㸪ᩧ⸨┿஧ᅔ㞴సᴗࡢሙྜ࡟ࡣ 5 ಸ [12]࡞࡝࡛࠶ࡿࠋ
ࡣ PSF ್㸪S ࡣ⤖ᯝࡢ㔜኱ࡉࡢ್ࢆ⾲ࡍࠋᑦ㸪ᮏ㟷ᒣᏛ㝔኱Ꮫ㡲㈡Ⰻ௓㸪ᖹ஭⩧ኴᮁ㸪㯮⏣ဴྐ㸪ᶫᮏಟ
✏࡛ྲྀࡾᢅ࠺ࣁࢨ࣮ࢻࡣ㸪᭱⤊ⓗ࡟ࡣேⓗ㐣ㄗࡀ
3.4 㔜኱ࡉࡢᩘ್໬
ཎᅉ࡛㉳ࡇࡿࡶࡢ࡜ࡋ࡚࠸ࡿࠋ」ᩘࡢேⓗ㐣ㄗࡀ䢢㔜኱ࡉ㸦Severity㸧ࡶㄽ⌮ⓗ᳨ウ࡟࡚ᩘ್໬ࢆ
㔜࡞ࡗ࡚㉳ࡇࡿࣁࢨ࣮ࢻࡶ⪃៖ࡋ࡚࠸ࡿࠋ
1 ࡣࡌࡵ࡟㔜せ࡜࡞ࡿࠋࡇࢀࡽࡢホ౯ࢆྠᵝ࡟ᐇ㦂㌴୧࡟
⾜ࡗࡓ [13]ࠋ⾲ 2 ࡟ࡑࡢ್ࢆ♧ࡍࠋ5 ẁ㝵ホ౯ࢆᩘ᥎ᐃࡉࢀࡓ R H ࡀチᐜྍ⬟ᇶ‽್ TH ࡟ᑐࡋ࡚㟁Ꮚ⯟ἲ◊✲ᡤ࡛ࡣ㸪ᅜෆ࡟࠾ࡅࡿ GBAS
ࡼࡾホ౯ࡍࡿࡢࡣ⦾㞧࡛࠶ࡿࡓࡵ㸪ᐇ㦂ᐊ࡛ホḟᘧࢆ‶ࡓࡉ࡞࠸ሙྜ࡟ࡣ㸪(2)ᘧࡢ㏻ࡾࣜࢫࢡ
್໬ࡋࡓࡶࡢ࡛࠶ࡿࠋ
ⱥᅜᏳ඲⾨⏕ᗇ㸦Health and(Ground-Based Augmentation System) ᬑཬ࡟ྥ౯࡛ࡁࡿࡼ࠺࡞ ᐃ⣔ᵓ⠏ࡋࡓࠋ⤖ᯝࡢ୍౛࡜
㍍ῶ⟇࡟ࡼࡾࣜࢫࢡࢆ㍍ῶࡋ㸪TH ᮍ‶࡟ᢚ࠼ࡿࠋ
SafetyExecutive㸸HSE㸧ࡢ⤫ィ್ [28]࡜↷ࡽࡋྜࢃࡅ࡚㸪㐠⏝ㄢ㢟ࡢ୍ࡘ࡛࠶ࡿᆅୖᒁࡢタ⨨ᢏ⾡࡜ࡶ࡟ᮏ✏࡟࡚♧ࡍࠋ
(2)
R H < THࡏ࡚ᩘ್ࡢጇᙜᛶࢆ☜ㄆࡋ࡚࠸ࡿࠋ
࡟㛵ࡍࡿ◊✲ࢆ⾜ࡗ࡚࠸ࡿࠋGBASࡣ⢭ᐦ㐍ධࢆ⾨ᫍ⯟ἲ࡟ࡼࡾᐇ⌧ࡍࡿḟୡ௦╔㝣ࢩࢫࢸ࣒2 GBAS VDB ఏᦙゎᯒ࡟࠾ࡅࡿㄢ㢟࡛㸪ᆅୖ࠿ࡽGPSࡢ⢭ᗘ࡜Ᏻ඲ᛶࢆྥୖࡍࡿࡓ
」㞧࡞ᵓ㐀࡟࠾ࡅࡿ㟁Ἴࡢ᣺ࡿ⯙࠸ࢆィ⟬࡛
3.2
ேⓗ㐣ㄗ☜⋡㸦HEP㸧⾲  㔜኱ࡉࡢ್
ࡵࡢ⿵ᙉ᝟ሗ㸪⤒㊰᝟ሗࢆVHFᖏࢹ࣮ࢱᨺ㏦ࡁࡿ㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲ࡟ࡣ࣮࣓ࣔࣥࢺἲ㸪
㔜኱䛥㻌
್㻌
≧ἣ㻌
 ேⓗ㐣ㄗࢆ㉳ࡇࡍ☜⋡ࡣᩥ⊩ㄪᰝ࡟ࡼࡾ཰㞟ἲ࡞࡝ࡀ࠶ࡾ㸪ࣇ࢚࣮ࣝ࢘
(VDB:VHF Data Broadcast)࡟ࡼࡾ108㹼118MHz
᭷㝈せ⣲ἲ㸪FDTDᴟ኱㻌㻝㻌㻝㻜㻜 ே⛬ᗘ䛾Ṛஸ஦ᨾ㻌ࡋࡓࠋேⓗ㐣ㄗ࡟ࡣᵝࠎ࡞✀㢮ࡀ࠶ࡾ㸪ࡑࢀࡽࡀࣈゎᯒᡭἲ࡜࿧ࡤࢀ࡚࠸ࡿࠋ㧗⢭ᗘ࡞ィ⟬ࡀྍ࡛⯟✵ᶵ࡟ྥࡅ࡚ᨺ㏦ࡍࡿ[1]ࠋ⮬ື╔㝣ࢆࢧ࣏㻝 ே⛬ᗘ௨ୖṚஸ䠇യᐖⓎ኱㻌㻝㻚㻡㽢㻝㻜㻙㻟㻌㉳ࡇࡿ☜⋡ࡣࡑࢀࡒࢀ␗࡞ࡿ࡜⪃࠼ࡿࠋㄪᰝᙜึ⏕㻌⬟࡛࠶ࡿ཯㠃㸪Ἴ㛗࡟ẚ࡭࡚኱ࡁ࡞ᵓ㐀≀ࡢィ࣮ࢺࡍࡿࡓࡵ㸪ୖ✵ࡔࡅ࡛࡞ࡃ㸪⁥㉮㊰ୖ࡟ࡶ㻙㻡୰㻌㻟㻚㻜㽢㻝㻜
㻌
യᐖⓎ⏕䠈⤒῭ⓗᦆኻ኱㻌ࡣཎᏊຊ㛵ಀࡢࡶࡢࡀከ࠿ࡗࡓࡀ㸪⯟✵⟶ไ࡟㛵
⟬࡟ࡣィ⟬᫬㛫࡜ィ⟬࣓ࣔࣜࢆᚲせ࡜ࡍࡿࡓࡵ㸪ࢧ࣮ࣅࢫࢆᥦ౪ࡍࡿᚲせࡀ࠶ࡾ㸪ICAOࡢSARPs㍍ᗘയᐖⓎ⏕䠈㐜ᘏ䠈஌ᐈ✵ 㠃඲య࡟㐺⏝ࡍࡿࡓࡵ࡟ࡣ⭾኱࡞ィ⟬ࢥࢫ(ᶆ‽ཬࡧ່࿌᪉ᘧ)࡛ࡣ㸪⁥㉮㊰ୖ12ft㹼36ftᑠ㻌㻢㻚㻜㽢㻝㻜㻙㻣㻌㐃ࡍࡿ
HEP ࡟㛵ࡍࡿᩥ⊩ࢆከᩘ᥈ࡋᙜ࡚ࡓࠋࡑ
䛻୙㒔ྜⓎ⏕㻌ࢺࡀᚲせ࡜࡞ࡿ[3]ࠋ
࡛-87dBmࡢཷಙ㟁ຊࡀせồࡉࢀ࡚࠸ࡿ㸦ཷಙ࢔ࢀࡽࢆ⏝࠸࡚ HEP ࡢࣜࢫࢺࢆ᭦᪂ࡋࡓࠋࣜࢫࢺ
䜹䝇䝸യ⛬ᗘⓎ⏕䠈ఱ䜙䛛䛾ᴟᑠ㻌㻝㻚㻞㽢㻝㻜㻙㻤㻌୍᪉࡛㸪ࣞ࢖ࢺ࣮ࣞࢫἲࡣ㟁Ἴࡢఏᦙࢆග⥺ࣥࢸࢼ↓ᣦྥᛶ㸪ᶵయᐇ⿦ᦆኻ15dBྵࡴ㸧[2]ࠋ
ᙳ㡪Ⓨ⏕㻌୰ࡢ HEP ࡢᩘࡣ 100 ಶࢆ㉸࠼࡚࠸ࡿࠋࣜࢫࢺࡢ
㏆ఝ࡛ᢅࡗࡓࡶࡢ࡛࠶ࡾ㸪ᘓ≀࡟ࡼࡿ㟁Ἴࡢ཯✵ 㠃ୖࡢ VDB ࡢそᇦホ౯ࡣ୺࡟ᐇ㦂⏝㌴୍㒊ࢆ⾲ 1 ࡟♧ࡍࠋᑦ㸪HEP ࡢ㡯┠ෆࡢᣓᘼ᭩ࡁ
ᑕ࣭ᅇᢡࢆ⪃៖ࡋࡓそᇦィ⟬ホ౯ࡀྍ⬟࡛࠶ࡿࠋ୧࡟ࡼࡿᐇ ࡛⾜ࢃࢀࡿࡀ㸪VDB ࢔ࣥࢸࢼࡢ㐺
3.5 ஦๓☜⋡ࡣ㸪☜⋡ࡢ⠊ᅖࢆ♧ࡍࠋࣇ࢚࣮ࣝ࢘ࣈゎᯒ࡟ẚ࡭࡚㸪ィ⟬ࢥࢫࢺࡀᑠࡉษ࡞タ⨨఩⨨ࢆỴᐃࡍࡿࡇ࡜ࡣヨ⾜㘒ㄗࢆక࠺ᮏ✏࡛ࡣ㸪ࣁࢨ࣮ࢻࡣࢫࣞࢵࢺ㸦Threat㸸⬣ጾ㸧ࡃ῭ࡴ཯㠃㸪ᘓ≀ᵓ㐀ࡀᑠࡉ࠸ሙྜ࡟ࡣ㟁Ἴࡢࡓࡵ㸪⦾㞧࡜࡞ࡿࠋࡑࡇ࡛㸪㟁Ἴఏᦙࢩ࣑ࣗࣞ
ࡀ㔜࡞ࡗࡓሙྜ࡟㉳ࡇࡿ࡜⪃࠼ࡿࠋࣁࢨ࣮ࢻྠᐃ
Ἴືⓗ࡞᣺ࡿ⯙࠸࡟ࡼࡾගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕࣮ࢩࣙࣥ࡟ࡼࡾ㧗⢭ᗘ࡟ཷಙ㟁ຊࢆホ౯࡛ࡁࡿ⾲  ேⓗ㐣ㄗ☜⋡ࡢࣜࢫࢺࡢ୍㒊࡟ࡘ࠸࡚㸪ᙜึࡣᇶᮏⓗ࡟⯟✵⟶ไࣜ࢔ࣝࢱ࢖࣒
ࡍࡿࠋㄗᕪࡣタ⨨≧ἣ࡟౫Ꮡࡍࡿࡀ㸪ᩘἼ㛗௨ࡇ࡜ࡀᮃࡲࡋ࠸ࠋ୍

HEP ࡣேⓗ㐣ㄗ㸦ࣄ࣮࣐࢚࣮ࣗࣥࣛ㸧☜⋡㸪PSF[29], [30]ୗ࡛ගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕ࡍࡿሙྜ㸪VDBࡢἼࡢほᐹ࠿ࡽᚓࡽࢀ
ࢩ࣑࣮ࣗࣞࢩࣙࣥᐇ㦂㛗ࡀ 3m ⛬ᗘ࡛࠶ࡿࡇ࡜ࢆ⪃៖ࡍࡿ࡜㸪ᘓ≀ࢧࡓࣁࢨ࣮ࢻࡢࡳࢆ⪃࠼࡚࠾ࡾ㸪஦๓☜⋡ࡶᐇ㦂ࡢ࢖ࢬ࠾ࡼࡧᘓ≀㛫ࡢ㝽㛫ࡀ 10m ௨ୗ࡜࡞ࡿሙྜ
⥲ヨ⾜ᅇᩘ୰㸪ఱᅇࡑࡢ≧ἣࡀ࠶ࡗࡓ࠿➼࠿ࡽ᥎࡟ࡣㄗᕪࡀⓎ⏕ࡍࡿࠋᐃࡋ࡚࠸ࡓࠋ
᪥ᮏᅜෆ࡟ࡣ」ᩘࡢ⁥㉮㊰ࢆ᭷ࡍࡿ✵ ࡀ࠶ࡋ࠿ࡋ㸪ࡇࡢሙྜ࡟ࡣࢫࣞࢵࢺࡣᐇ㦂࡛ほࡉࡿࡓࡵ㸪GBAS㐠⏝࡟࠾࠸࡚ࡣ 1 ࡘࡢ VDB ࡟ࡼࢀࡓ༴㝤࡞≧ἣࡑࡢࡶࡢ࡜࡞ࡾ㸪ࡑࡢࢫࣞࢵࢺࡀ
ࡾ」ᩘࡢ⁥㉮㊰㠃࡟ࢧ࣮ࣅࢫࡍࡿࡇ࡜ࡀ᝿ᐃࡉ

⯡㟁Ἴఏᦙゎᯒᡭἲ࡟ࡣ㸪⁥㉮㊰ୖࡢ㟁⏺ࣞ࣋㡯ேⓗ㐣ㄗ☜⋡ⓗ ලయⓗືస㻌ཧ⪃ᩥ⊩㻌ࣝࢆ⢭ᗘⰋࡃồࡵࡽࢀࡿ㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲ┠㻌䠄㻴㻱㻼䠅㻌
グ࡜ᗄఱගᏛ㏆ఝࢆ࣮࣋ࢫ࡜ࡋࡓࣞ࢖ࢺ࣮ࣞࢫἲ
㏙㻌
ࡀ࠶ࡿࠋࡋ࠿ࡋ㸪㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲࢆᗈ኱
(Gibson &2 × 10í3
≀⌮ⓗ㛫㐪
⡆
í4
䛖
(8
×
10
Kirwan,䛔䠄஧ᢥ䠅㻌
࡞✵㠃඲య࡟㐺⏝ࡍࡿࡓࡵ࡟ࡣ㸪⭾኱࡞ィ⟬༢2008)[24]䡚4 × 10í3)䛳䛺ࢥࢫࢺࢆᚲせ࡜ࡍࡿࠋࡲࡓ㸪ࣞ࢖ࢺ࣮ࣞࢫἲࡣ㸪í4(Preischl &9.8× 10䛛 ពᅗ䛧䛺䛔
᪥ẚ㍑ⓗ㧗࠸࿘Ἴᩘᖏ࡛⏝࠸ࡽࢀ㸪VHF
ᖏ࡛ࡣ⢭(1.5× 10í4Hellmich,䜚 䜻䞊ไᚚ㻌
[25]
í3
ᖖ
2013)
䡚 3.3× 10 )㛫ᗘࡀຎ໬ࡍࡿࠋࡑࡇ࡛ᮏ◊✲࡛ࡣ㸪୧⪅ࡢ฼Ⅼ
í3ⓗ(Preischl &1.18× 10㐪 ពᅗ䛧䛺䛔
í4ࢆά⏝ࡋࡓ᪂ࡓ࡞㸰ࡘࡢ㟁Ἴఏᦙゎᯒᡭἲࢆ㟷సHellmich,䛔㻌 ᢲ䛧䝪䝍䞁䛾 (1× 10
í3ᴗ㻌2016)[26]ᒣᏛ㝔኱Ꮫ࡜㐃ᦠࡋ࡚㛤Ⓨࡋࡓࠋࡇࡢ㸰ࡘࡢᡭ
䡚3.9×
10
)
ᢲୗ㻌

ࢀࡿࠋࡉࡽ࡟ᆅ㠃཯ᑕ࡟ࡼࡿୖ✵࡛ࡢཷಙ㟁ຊࣁࢨ࣮ࢻ࡟┤⤖ࡋ࡚࠸ࡓࡵ㸪」ᩘࡢࢫࣞࢵࢺࡀ㐃
పୗࢆⓎ⏕ࡉࡏ࡞࠸ࡓࡵ࡟ࡣ
VDB ࢔ࣥࢸࢼタ⥆ࡋ࡚㉳ࡇࡗࡓሙྜ࡞࡝࡟ࡣᑐᛂ࡛ࡁ࡚࠸࡞࠿
⨨㧗ࡉࢆపࡃࡍࡿᚲせࡀ࠶ࡿࠋࡇࡢࡼ࠺࡞タ⨨ࡗࡓࠋࡇࢀࢆゎỴࡍࡿࡓࡵ㸪ୗグࡢࠕ஦㇟ࠖ࡜ࠕฟ
᮲௳ୗ࡟࠾࠸࡚ࡣ㸪ᘓ≀࡟཯ᑕ࠾ࡼࡧᘓ≀㛫ࢆ᮶஦ࠖࢆ⪃࠼࡚ᑐᛂࡍࡿࡇ࡜࡟ࡋࡓࠋ
㏻㐣ࡍࡿ㟁Ἴࡢఏᦙࢆ㸪≉Ṧ࡞኱ᆺィ⟬ᶵࢆ⏝࠸ࡿࡇ࡜࡞ࡃỗ⏝ PC ࡟ࡼࡾ㧗⢭ᗘ࡟ゎᯒࡍࡿ஦㇟
3.5.1
࢔ࣝࢦࣜࢬ࣒ࡢ㛤Ⓨࡀᚲせ࡜࡞ࡿࠋἲࡣ GBAS ࡢタ⨨≧ἣ࡟ᛂࡌ࡚౑࠸ศࡅࡿࡇ࡜
ࡀྍ⬟࡛࠶ࡿࠋ
3.3 Performance Shaping Factor㸦PSF㸧
ࡲࡓ㸪ཷಙ㟁ຊࡢపୗ࣭▐᩿ࡀ⏕ࡌࡓሙྜ㸪 PSF ್࡟ࡘ࠸࡚ࡶྠᵝ࡟ᩥ⊩ㄪᰝࢆ⾜࠸㸪ࣜࢫGBAS ᶵୖ⿦⨨࡬࡝ࡢࡼ࠺࡞ᙳ㡪ࢆ୚࠼ࡿ࠿ࢆ
ࢺࢆసᡂࡋࡓࠋࡇࡢ್ࡣ㸪ᚰ⌮≧ែࡸ⎔ቃ㸪సᴗ᫂ࡽ࠿࡟ࡋ࡚࠾ࡃࡇ࡜ࡣ GBAS ࢆ㐠⏝ࡍࡿୖ࡛ࡲࡎࢫࣞࢵࢺࡢཎᅉ࡜࡞ࡾࡑ࠺࡞≧ἣࢆࠕ஦㇟ࠖ

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令和元年度（第19回）電子航法研究所研究発表会

令和元年度（第19回）電子航法研究所研究発表会

࡜ࡋ࡚ิᣲࡍࡿࡇ࡜࡟ࡋࡓࠋࡇࢀࡽࡢὙ࠸ฟࡋ࡟

⧅ࡆ࡚♧ࡍࠋ㸮ฟ᮶஦ࡣࡑࡢ஦㇟࠿ࡽᛮ࠸ࡘࡃฟ% ࡢそᇦホ౯ᡭἲ࡟㛵ࡍࡿ᳨ウࡣ㸪⯟✵⟶ไᴗົ⤒㦂⪅࡟ࡶ㆟ㄽ࡟ཧຍࡋ࡚ࡶࡽ

᮶஦ࢆグ㍕ࡍࡿࠋฟ᮶஦࡟ᑐࡋ㸪ࡑࢀࡀேⓗ㐣ㄗ࠸㸪ከࡃࡢ㈗㔜࡞ࡈពぢࢆ㡬࠸ࡓࠋ㹙௜㘓㹛࡟⌧⯟ἲࢩࢫࢸ࣒㡿ᇦͤẟሯᩔ㸪ᩧ⸨┿஧ᅾࡲ࡛࡟Ὑ࠸ฟࡉࢀࡓ඲࡚ࡢ஦㇟ࡢ୍ぴ⾲ࢆῧ㟷ᒣᏛ㝔኱Ꮫ㡲㈡Ⰻ௓㸪ᖹ஭⩧ኴᮁ㸪㯮⏣ဴྐ㸪ᶫᮏಟ
௜ࡍࡿࠋ኱ศ㢮ࡣ⌧ᅾ 9 ✀㢮࡛㸪⣽ศ㢮ࡢᩘࡣ⌧
ᅾ 137 ಶ࠶ࡿࠋࡀཎᅉ࡛㉳ࡇࡿ࡜⪃࠼ࡿሙྜ㸪ࡑࢀࢆேⓗ㐣ㄗேⓗ㐣ㄗ࡜⪃࠼ࡽࢀࡿ஦㇟࡟ࡘ࠸࡚ࡶ㸪ࣁࢨ࣮㔜せ࡜࡞ࡿࠋࡇࢀࡽࡢホ౯ࢆྠᵝ࡟ᐇ㦂㌴୧࡟
ࢻࢆྠᐃࡋ᫆ࡃࡍࡿࡓࡵ࡟஦㇟୍ぴࡢ୰࡟ධࢀࡼࡾホ౯ࡍࡿࡢࡣ⦾㞧࡛࠶ࡿࡓࡵ㸪ᐇ㦂ᐊ࡛ホࡿࡇ࡜࡟ࡋࡓࠋ
ேⓗ㐣ㄗࡣ⌧ᅾ࡯ࢇࡢ୍㒊ࡋ࠿ྲྀ౯࡛ࡁࡿࡼ࠺࡞
ᐃ⣔ᵓ⠏ࡋࡓࠋ⤖ᯝࡢ୍౛࡜
ࡾ㎸ࢇ࡛࠸࡞࠸ࡀ㸪᪤࡟ 100 ௨ୖࡢேⓗ㐣ㄗ☜⋡࡜ࡶ࡟ᮏ✏࡟࡚♧ࡍࠋࡢࣜࢫࢺࡀ࠶ࡿࠋࡇࢀࡽࢆ࡝ࡢࡼ࠺࡟ྲྀࡾ㎸ࡴ࠿
VDB ఏᦙゎᯒ࡟࠾ࡅࡿㄢ㢟2 GBASࡶ᳨ウࡍࡿᚲせࡀ࠶ࡿࠋ」㞧࡞ᵓ㐀࡟࠾ࡅࡿ㟁Ἴࡢ᣺ࡿ⯙࠸ࢆィ⟬࡛
⾲ 3 ࡟஦㇟୍ぴࡢ୍㒊ࢆ♧ࡍࠋ⮬⾨㝲ཬࡧ⡿㌷ࡁࡿ㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲ࡟ࡣ࣮࣓ࣔࣥࢺἲ㸪ࡢカ⦎✵ᇦ➼ࢆ⪃࠼ࡿሙྜ㸪✵ᇦ⎔ቃ࢚̿ࣜ࢔̿
᭷㝈せ⣲ἲ㸪FDTD ἲ࡞࡝ࡀ࠶ࡾ㸪ࣇ࢚࣮ࣝ࢘
ไ㝈✵ᇦ̿Military ࡜࡞ࡿࠋࡇࢀࡣᅇ㑊ࡢࡳ࡛࡞ࣈゎᯒᡭἲ࡜࿧ࡤࢀ࡚࠸ࡿࠋ㧗⢭ᗘ࡞ィ⟬ࡀྍࡃ㸪✵ᇦ⟶⌮㸦ASM㸧࡛ࡢㄪᩚࡢ⤖ᯝ㸪ไ㝈✵⬟࡛࠶ࡿ཯㠃㸪Ἴ㛗࡟ẚ࡭࡚኱ࡁ࡞ᵓ㐀≀ࡢィᇦෆࡢ㣕⾜ࡀྍ⬟࡜࡞ࡗࡓሙྜࡶྵࡴࠋ
⟬࡟ࡣィ⟬᫬㛫࡜ィ⟬࣓ࣔࣜࢆᚲせ࡜ࡍࡿࡓࡵ㸪✵ 㠃඲య࡟㐺⏝ࡍࡿࡓࡵ࡟ࡣ⭾኱࡞ィ⟬ࢥࢫࢺࡀᚲせ࡜࡞ࡿ[3]ࠋ ⾲  ஦㇟ࡢ౛
୍᪉࡛㸪ࣞ࢖ࢺ࣮ࣞࢫἲࡣ㟁Ἴࡢఏᦙࢆග⥺኱ศ㢮୰ศ㢮 ᑠศ㢮⣽ศ㢮㏆ఝ࡛ᢅࡗࡓࡶࡢ࡛࠶ࡾ㸪ᘓ≀࡟ࡼࡿ㟁Ἴࡢ཯
0LOLWDU\✵ᇦ⎔ቃ࢚ࣜ࢔ ไ㝈✵ᇦᑕ࣭ᅇᢡࢆ⪃៖ࡋࡓそᇦィ⟬ホ౯ࡀྍ⬟࡛࠶ࡿࠋ
㦁㡢ᅇ㑊
͐



ࣇ࢚࣮ࣝ࢘ࣈゎᯒ࡟ẚ࡭࡚㸪ィ⟬ࢥࢫࢺࡀᑠࡉ
Ẽ㇟


✚஘㞼
ࡃ῭ࡴ཯㠃㸪ᘓ≀ᵓ㐀ࡀᑠࡉ࠸ሙྜ࡟ࡣ㟁Ἴࡢ͐Ἴືⓗ࡞᣺ࡿ⯙࠸࡟ࡼࡾගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕࢚ࣥࢪࣥࢺࣛ
⥭ᛴ஦ែࡍࡿࠋㄗᕪࡣタ⨨≧ἣ࡟౫Ꮡࡍࡿࡀ㸪ᩘἼ㛗௨
ࣈࣝ
㏻ᖖᴗົ࠿
ୗ࡛ගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕ࡍࡿሙྜ㸪VDB
ࡢἼ
͐


ࡽࡢ㐓⬺
㛗ࡀ 3m
⛬ᗘ࡛࠶ࡿࡇ࡜ࢆ⪃៖ࡍࡿ࡜㸪ᘓ≀ࢧࢻ࣮ࣟࣥࡀ✵
␗ᖖ஦ែᇦ࡟౵ධ࢖ࢬ࠾ࡼࡧᘓ≀㛫ࡢ㝽㛫ࡀ 10m ௨ୗ࡜࡞ࡿሙྜ
࡟ࡣㄗᕪࡀⓎ⏕ࡍࡿࠋ᪥ᮏᅜෆ࡟ࡣ」ᩘࡢ⁥㉮㊰ࢆ᭷ࡍࡿ✵ࡀ࠶
3.5.2 ฟ᮶஦ࡿࡓࡵ㸪GBAS 㐠⏝࡟࠾࠸࡚ࡣ 1 ࡘࡢ VDB ࡟ࡼ࠶ࡿ஦᯶ࡀ㉳ࡇࡿࡀ㸪ࡑࢀࡣ⬣ጾ࡜ࡣ⪃࠼ࡽࢀ
ࡾ」ᩘࡢ⁥㉮㊰㠃࡟ࢧ࣮ࣅࢫࡍࡿࡇ࡜ࡀ᝿ᐃࡉ
࡞࠸࡜࠸࠺ሙྜࡶ࠶ࡿࡓࡵ㸪ᮏ✏࡛ࡣࢫࣞࢵࢺࡢ
ࢀࡿࠋࡉࡽ࡟ᆅ㠃཯ᑕ࡟ࡼࡿୖ✵࡛ࡢཷಙ㟁ຊ௦ࢃࡾ࡟௨ᚋࠕฟ᮶஦ࠖ࡜࠸࠺ゝⴥࢆ౑⏝ࡍࡿࠋ
పୗࢆⓎ⏕ࡉࡏ࡞࠸ࡓࡵ࡟ࡣ
VDB ࢔ࣥࢸࢼタ⾲ 4 ࡟஦㇟࠾ࡼࡧฟ᮶஦ࢆ⏝࠸ࡓࣁࢨ࣮ࢻྠ
⨨㧗ࡉࢆపࡃࡍࡿᚲせࡀ࠶ࡿࠋࡇࡢࡼ࠺࡞タ⨨౛࡛ࡣ㸪஦㇟ࡢ⫼ᬒⰍࢆ⥳Ⰽ࡟㸪ேⓗ㐣ㄗࡢࡑࡅࡿ GBAS
ᬑཬ࡟ྥ
ࡢタ⨨ᢏ⾡
ࡣ⢭ᐦ㐍ධ
㝣ࢩࢫࢸ࣒
ྥୖࡍࡿࡓ
࣮ࢱᨺ㏦
㹼118MHz╔㝣ࢆࢧ࣏㉮㊰ୖ࡟ࡶOࡢSARPs
12ft㹼36ftࡿ㸦ཷಙ࢔ྵࡴ㸧[2]ࠋ
࡟ᐇ㦂⏝㌴
ࣥࢸࢼࡢ㐺
㘒ㄗࢆక࠺
ᦙࢩ࣑ࣗࣞ
ホ౯࡛ࡁࡿ

ࡢ㟁⏺ࣞ࣋
⏺ゎᯒᡭἲ
ࢺ࣮ࣞࢫἲ
ᡭἲࢆᗈ኱
⭾኱࡞ィ⟬
࣮ࢫἲࡣ㸪
ᖏ࡛ࡣ⢭
୧⪅ࡢ฼Ⅼ
ᯒᡭἲࢆ㟷
ࡢ㸰ࡘࡢᡭ
ศࡅࡿࡇ࡜

㸦☜⋡㸧ࡢࣜࢫࢺ࠿ࡽ㑅ᢥࡍࡿࠋᚲせ࡟ᛂࡌ࡚36) ࡶࣜࢫࢺ࠿ࡽ㑅ᢥࡍࡿࠋࣁࢨ࣮ࢻࡣࡑࡢேⓗ㐣ㄗ࡟ࡼࡾⓎ⏕ࡍࡿ࡜ᛮࢃࢀࡿࡶࡢࢆグ㍕ࡍࡿࠋ᮲௳ୗ࡟࠾࠸࡚ࡣ㸪ᘓ≀࡟཯ᑕ࠾ࡼࡧᘓ≀㛫ࢆᐃࡢ౛ࢆ♧ࡋࡓࠋᶓ㍈࡟஦㇟ 1㹼n㸪ฟ᮶஦ 1㹼m㸪
㏻㐣ࡍࡿ㟁Ἴࡢఏᦙࢆ㸪≉Ṧ࡞኱ᆺィ⟬ᶵࢆ⏝PSF㸪ேⓗ㐣ㄗ㸪ࣁࢨ࣮ࢻࢆྲྀࡗ࡚࠶ࡿࠋ஦㇟ࡣ
࠸ࡿࡇ࡜࡞ࡃỗ⏝ PC ࡟ࡼࡾ㧗⢭ᗘ࡟ゎᯒࡍࡿ௜㘓࡟♧ࡋࡓࡼ࠺࡞஦㇟୍ぴࡢ୰࠿ࡽ㑅ᢥࡍࡿࠋ࢔ࣝࢦࣜࢬ࣒ࡢ㛤Ⓨࡀᚲせ࡜࡞ࡿࠋ኱ศ㢮̿୰ศ㢮̿ᑠศ㢮̿⣽ศ㢮࡜ࣁ࢖ࣇ࡛ࣥ

ࡌࡓሙྜ㸪
୚࠼ࡿ࠿ࢆ
⏝ࡍࡿୖ࡛

౛࡛ࡣࣁࢨ࣮ࢻࡣ୕ࡘ࠶ࡿࠋྠᐃࡉࢀࡓࣁࢨ࣮ࢻ
࡟ᑐࡋ㸪࡝ࡢ஦㇟ࡀಀࢃࡗ࡚࠸ࡿ࠿ࢆศ࠿ࡾ᫆ࡃ
ࡍࡿࡓࡵ㸪஦㇟࠿ࡽᶳⰍࡢⅬ⥺ࡢ▮༳ࢆᘏࡤࡋࡓࠋ
୍␒ୗࡢࣁࢨ࣮ࢻ࡛ࡣᅄࡘࡢ஦㇟ࡀಀࢃࡗ࡚࠸
ࡿࠋฟ᮶஦࡟ࡣ㸪ࣁࢨ࣮ࢻ࡟ಀࢃࡿฟ᮶஦࡟ࡘ࠸
࡚㟷▮༳࡛♧ࡋࡓࠋேⓗ㐣ㄗࡶᗄࡘࡢேⓗ㐣ㄗࡀ㛵ಀࡋ࡚࠸ࡿ࠿ࢆ᱈Ⰽࡢ▮༳࡛♧ࡋࡓࠋ஦㇟࡜ࡋ࡚ࠕẼ㇟̿✚஘㞼ࠖࢆ⪃࠼ࡓሙྜ㸪ฟ᮶஦࡜ࡋ࡚ࠕࣃ࢖ࣟࢵࢺ࠿ࡽࡢ✚஘㞼ᅇ㑊せồࠖࡀᛮ࠸ࡘࡃࠋࡇࢀ࡟ᑐࡋ㸪ࡑࡢせồ࡬ࡢ⟶ไᐁࡢチྍࡢ᭷↓ࡀ⪃࠼ࡽࢀࡿࠋᇶᮏⓗ࡟チྍࡍࡿ࡜࠸
࠺ヰࢆ⪺࠸࡚࠸ࡿࡀ㸪ࡇࡇ࡛ࡣ࿘㎶ࡢࢺࣛࣇ࢕ࢵ
ࢡ࡜ࡢ㛵ಀࡸ⟶ไᐁࡢ✚஘㞼ࡢᙉࡉࡢぢ✚ࡶࡾࡢ⏑ࡉ➼࡟ࡼࡾ㸪チྍࡋ࡞࠸ሙྜࡶ⪃࠼ࡿࠋチྍࡋ࡞࠿ࡗࡓሙྜ㸪ࢱ࣮ࣅࣗࣛࣥࢫ➼࡟ࡼࡾᐈᐊ஌ົဨࡀ㈇യࡍࡿ≧ἣࢆࣁࢨ࣮ࢻ࡜⪃࠼ࡿࠋேⓗ㐣ㄗࡣࠕㄗุ᩿ࠖ࡜⪃࠼ࡿࠋチྍࡋࡓሙྜ࡟
ࡶ㸪㏆ࡃࡢࢺࣛࣇ࢕ࢵࢡࡢぢㄗࡾ࡟ࡼࡗ࡚㸪஧ࡘࡢࣁࢨ࣮ࢻࡀ⪃࠼ࡽࢀࡿࠋヲࡋ࠸ㄝ᫂ࡣ┬ࡃࡀ㸪
⾲ 4 ࡢ᭱ᚋࡢࣁࢨ࣮ࢻ࡛ࡣ㸪㛫᥋ⓗ࡞ཎᅉ࡜࡞ࡿ
ேⓗ㐣ㄗࡣࠕぢㄗࡾ࡛ࠖ㸪┤᥋ཎᅉ࡜࡞ࡿேⓗ㐣ㄗࡣࠕゝ࠸㛫㐪࠸࡛ࠖ࠶ࡿࠋゝ࠸㛫㐪࠸ࡢせᅉ࡜࡞ࡿࠕ↔ࡾࠖࡣ PSF ࡜ࡋ࡚ຍ࠼ࡓࠋ
3.5.3 ஦๓☜⋡ࡢィ⟬᪉ἲ஦๓☜⋡ࡢィ⟬࡟ࡣ㸪ྛ஦㇟࡟ᑐࡋ㸪ࡑࡢⓎ⏕☜⋡ࡢ᥎ᐃࡀᚲせ࡜࡞ࡿࠋ౛࠼ࡤ㸪✵ᇦ⎔ቃ̿ࣇ࢙࣮ࢬ̿ୗ㝆୰࡛ࡣ㸪ᙜヱࢱ࣮࣑ࢼ࢚ࣝࣜ࢔࡟࠾
ࡅࡿୗ㝆୰ࡢᖹᆒ㣕⾜᫬㛫➼ࢆồࡵࡿᚲせࡀ࠶-50-50--1-

19-05-113_本文.inddࢀࢆ᱈Ⰽ࡟㸪ࣁࢨ࣮ࢻࡢࡑࢀࢆ㯤Ⰽ࡟ࡋࡓࠋࡇࡢ

50

50

2019/05/24

14:47:25

令和元年度（第19回）電子航法研究所研究発表会

ࡿࠋణࡋ㸪ࡇࢀࡣᑐ㇟✵ ࡟ࡼࡗ࡚ࡶ␗࡞ࡿࡓࡵ㸪㛵ಀ⪅ࡢࡈពぢࡶఛ࠺ࡇ࡜ࡀᚲせ࡛࠶ࡿࠋ㸯㸬*%$69'% ࡢそᇦホ౯ᡭἲ࡟㛵ࡍࡿ᳨ウྛ✵ ࡛ࡢୗ㝆୰ࡢᖹᆒ㣕⾜᫬㛫ࢆぢ✚ࡶࡗ࡚5ࡲ࡜ࡵ⯟ἲࢩࢫࢸ࣒㡿ᇦͤẟሯᩔ㸪ᩧ⸨┿஧ྠᐃࡉࢀࡓࣁࢨ࣮ࢻ࡟ᑐࡋ㸪ᐃ㔞ⓗ࡞್ࢆ⟬ฟ࠶ࡿࡀ㸪᭦࡞ࡿศ㢮ࡶᚲせ࡟࡞ࡿྍ⬟ᛶࡀ࠶ࡿࠋ
㟷ᒣᏛ㝔኱Ꮫ㡲㈡Ⰻ௓㸪ᖹ஭⩧ኴᮁ㸪㯮⏣ဴྐ㸪ᶫᮏಟ
࡛ࡁࡿࣁࢨ࣮ࢻゎᯒᡭἲࢆ᳨ウࡋ࡚࠸ࡿࠋ௒ᅇ㸪ࡲࡓ㸪ฟ᮶஦ࡢ⧅ࡀࡾࡀ୪ิ࡛↓࠸ሙྜ࡟ࡣ㸪ࠕ஦๓☜⋡ࠖࢆồࡵࡿࡓࡵ࡟ࠕ஦㇟ࠖ࡜ࠕฟ᮶஦ࠖ
᮲௳௜ࡁ☜⋡࡛ィ⟬࡛ࡁࡿࡼ࠺࡟᳨ウࡋ࡚࠸ࡿࠋ
䢢ࢆ⪃࠼ࡿࡇ࡜ࢆᥦ᱌ࡋࡓࠋࡑࡋ࡚ᥦ᱌ᡭἲ࡛౑⏝1 ࡣࡌࡵ࡟㔜せ࡜࡞ࡿࠋࡇࢀࡽࡢホ౯ࢆྠᵝ࡟ᐇ㦂㌴୧࡟
4 ㄢ㢟ࡋ࡚࠸ࡿᴫᛕࡸࡑࡢᩘ್ཬࡧࠕฟ᮶஦ࠖࢆ⪃࠼ࡓ㟁Ꮚ⯟ἲ◊✲ᡤ࡛ࡣ㸪ᅜෆ࡟࠾ࡅࡿ GBAS
ࡼࡾホ౯ࡍࡿࡢࡣ⦾㞧࡛࠶ࡿࡓࡵ㸪ᐇ㦂ᐊ࡛ホᥦ᱌ᡭἲ࡟ࡣ㸪⌧ᅾ㸪௨ୗࡢㄢ㢟ࡀ⪃࠼ࡽࢀࡿࠋ
ࣁࢨ࣮ࢻྠᐃᡭἲ࡟ࡘ࠸࡚ㄝ᫂ࡋࡓࠋ
(Ground-Based Augmentation System) ᬑཬ࡟ྥ౯࡛ࡁࡿࡼ࠺࡞ ᐃ⣔ᵓ⠏ࡋࡓࠋ⤖ᯝࡢ୍౛࡜
ᮏᡭἲ࡛ࡣྍ⬟࡞㝈ࡾᐃ㔞ⓗ࡟ホ౯࡛ࡁࡿࡇ
௒ᚋࡣ㸪஦๓☜⋡ࡢ᥎ᐃ᪉ἲࢆ୎ᑀ࡟᳨ウࡋ࡚ࡅ࡚㸪㐠⏝ㄢ㢟ࡢ୍ࡘ࡛࠶ࡿᆅୖᒁࡢタ⨨ᢏ⾡࡜ࡶ࡟ᮏ✏࡟࡚♧ࡍࠋ࡜ࢆ┠ᣦࡋ࡚࠸ࡿࡀ㸪⌧ᅾࡣ㔜኱ࡉࡢホ౯ࡢẁ㝵⾜ࡁࡓ࠸ࠋࡲࡓ㸪஦㇟୍ぴ࡟ࡘ࠸࡚ࡶ᭦࡟ಟṇࢆ࡟㛵ࡍࡿ◊✲ࢆ⾜ࡗ࡚࠸ࡿࠋGBASࡣ⢭ᐦ㐍ධࢆ⾨ᫍ⯟ἲ࡟ࡼࡾᐇ⌧ࡍࡿḟୡ௦╔㝣ࢩࢫࢸ࣒2 GBAS VDB ఏᦙゎᯒ࡟࠾ࡅࡿㄢ㢟࡛୺ほࡀධࡗ࡚ࡋࡲࡗ࡚࠸ࡿࠋ➨ 1 ❶࡛♧ࡋࡓ㔜ࡡ࡚㡯┠ࢆ඘ᐇࡋ࡚⾜ࡃணᐃ࡛࠶ࡿࠋ
࡛㸪ᆅୖ࠿ࡽGPSࡢ⢭ᗘ࡜Ᏻ඲ᛶࢆྥୖࡍࡿࡓ
」㞧࡞ᵓ㐀࡟࠾ࡅࡿ㟁Ἴࡢ᣺ࡿ⯙࠸ࢆィ⟬࡛
UAV࡛ࡢ⾪✺࢚ࢿࣝࢠ࣮ࢆ⪃࠼ࡿ᪉ἲ [5]➼ࡢ⪃ࡵࡢ⿵ᙉ᝟ሗ㸪⤒㊰᝟ሗࢆVHFᖏࢹ࣮ࢱᨺ㏦ࡁࡿ㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲ࡟ࡣ࣮࣓ࣔࣥࢺἲ㸪ㅰ㎡
࠼᪉ࢆୖᡭࡃྲྀࡾ㎸ࡴࡇ࡜ࡀᮃࡲࡋ࠸ࠋ
(VDB:VHF Data Broadcast)࡟ࡼࡾ108㹼118MHz
᭷㝈せ⣲ἲ㸪FDTD ἲ࡞࡝ࡀ࠶ࡾ㸪ࣇ࢚࣮ࣝ࢘
ࣁࢨ࣮ࢻゎᯒᡭἲࡢ㆟ㄽ࡟ࡈ༠ຊ㡬ࡁࡲࡋࡓ஦㇟࡟ࡘ࠸࡚㸪⯟✵⟶ไ⤒㦂⪅ࡢ᪉ࠎࡢࡈពぢࣈゎᯒᡭἲ࡜࿧ࡤࢀ࡚࠸ࡿࠋ㧗⢭ᗘ࡞ィ⟬ࡀྍ࡛⯟✵ᶵ࡟ྥࡅ࡚ᨺ㏦ࡍࡿ[1]ࠋ⮬ື╔㝣ࢆࢧ࣏⯟✵⟶ไ⤒㦂⪅ࡢ᪉ࠎ࠾ࡼࡧᒣᗣ༤ᐈဨ◊✲ဨࢆఛࡗࡓࡀ㸪
ࣃ࢖ࣟࢵࢺ➼⯟✵ᶵഃࡢពぢࡀ཯ᫎ⬟࡛࠶ࡿ཯㠃㸪Ἴ㛗࡟ẚ࡭࡚኱ࡁ࡞ᵓ㐀≀ࡢィ࣮ࢺࡍࡿࡓࡵ㸪ୖ✵ࡔࡅ࡛࡞ࡃ㸪⁥㉮㊰ୖ࡟ࡶ࡟῝ࡃឤㅰ⏦ࡋୖࡆࡲࡍࠋ
ࡉࢀ࡚࠸࡞࠸࡜⪃࠼ࡿࠋࣃ࢖ࣟࢵࢺ➼⯟✵ᶵഃࡢ⟬࡟ࡣィ⟬᫬㛫࡜ィ⟬࣓ࣔࣜࢆᚲせ࡜ࡍࡿࡓࡵ㸪ࢧ࣮ࣅࢫࢆᥦ౪ࡍࡿᚲせࡀ࠶ࡾ㸪ICAOࡢSARPs✵ 㠃඲య࡟㐺⏝ࡍࡿࡓࡵ࡟ࡣ⭾኱࡞ィ⟬ࢥࢫ(ᶆ‽ཬࡧ່࿌᪉ᘧ) ࡛ࡣ㸪⁥㉮㊰ୖ12ft㹼36ft
ࢺࡀᚲせ࡜࡞ࡿ[3]ࠋ
࡛-87dBmࡢཷಙ㟁ຊࡀせồࡉࢀ࡚࠸ࡿ㸦ཷಙ࢔⾲  ฟ᮶஦ࢆ⏝࠸ࡓࣁࢨ࣮ࢻྠᐃ౛
୍᪉࡛㸪ࣞ࢖ࢺ࣮ࣞࢫἲࡣ㟁Ἴࡢఏᦙࢆග⥺ࣥࢸࢼ↓ᣦྥᛶ㸪ᶵయᐇ⿦ᦆኻ15dBྵࡴ㸧[2]ࠋ
ேⓗ㐣
஦㇟㻝
஦㇟㻠
ฟ᮶஦㻝
ฟ᮶஦㻞
ฟ᮶஦㻟
ฟ᮶஦㻠
ฟ᮶஦㻡 ฟ᮶஦㻢 㻼㻿㻲䝝䝄䞊䝗㏆ఝ࡛ᢅࡗࡓࡶࡢ࡛࠶ࡾ㸪ᘓ≀࡟ࡼࡿ㟁Ἴࡢ཯✵ ஦㇟㻞㠃ୖࡢ ஦㇟㻟
VDB ࡢそᇦホ౯ࡣ୺࡟ᐇ㦂⏝㌴
ㄗ
Ẽ㇟
⯟✵ᶵ㻭䛛
ᑕ࣭ᅇᢡࢆ⪃៖ࡋࡓそᇦィ⟬ホ౯ࡀྍ⬟࡛࠶ࡿࠋ୧࡟ࡼࡿᐇ ࡛⾜ࢃࢀࡿࡀ㸪VDB ࢔ࣥࢸࢼࡢ㐺䇷✚䜙䛾✚஘㞼ࣇ࢚࣮ࣝ࢘ࣈゎᯒ࡟ẚ࡭࡚㸪ィ⟬ࢥࢫࢺࡀᑠࡉษ࡞タ⨨఩⨨ࢆỴᐃࡍࡿࡇ࡜ࡣヨ⾜㘒ㄗࢆక࠺
஘㞼
ᅇ㑊せồ
⟶ไᐁ䛜
ᐈᐊ஌ົဨ
ࡃ῭ࡴ཯㠃㸪ᘓ≀ᵓ㐀ࡀᑠࡉ࠸ሙྜ࡟ࡣ㟁Ἴࡢࡓࡵ㸪⦾㞧࡜࡞ࡿࠋࡑࡇ࡛㸪㟁Ἴఏᦙࢩ࣑ࣗࣞ
ㄗุ᩿
ᅇ㑊せồ䜢
䛾㈇യ
チྍ䛧䛺䛔
Ἴືⓗ࡞᣺ࡿ⯙࠸࡟ࡼࡾගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕࣮ࢩࣙࣥ࡟ࡼࡾ㧗⢭ᗘ࡟ཷಙ㟁ຊࢆホ౯࡛ࡁࡿ⟶ไᐁ䛜ࡍࡿࠋㄗᕪࡣタ⨨≧ἣ࡟౫Ꮡࡍࡿࡀ㸪ᩘἼ㛗௨ࡇ࡜ࡀᮃࡲࡋ࠸ࠋᅇ㑊せồ䜢チྍ䛩䜛ୗ࡛ගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕ࡍࡿሙྜ㸪VDB ࡢἼ㟁Ἴఏᦙゎᯒᡭἲ࡟ࡣ㸪⁥㉮㊰ୖࡢ㟁⏺ࣞ࣋
஺㏻≧ἣ
⟶ไᐁ䛜㏆
䇷㏆䛟䛻䝖
䛟䛾䝖䝷䝣䜱䝑
㛗ࡀ 3m ⛬ᗘ࡛࠶ࡿࡇ࡜ࢆ⪃៖ࡍࡿ࡜㸪ᘓ≀ࢧࣝࢆ⢭ᗘⰋࡃồࡵࡽࢀࡿ㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲ
ぢㄗ䜚
䝷䝣䜱䝑䜽
䜽䠄⯟✵ᶵ㻮䠅
࢖ࢬ࠾ࡼࡧᘓ≀㛫ࡢ㝽㛫ࡀ
10m௨ୗ࡜࡞ࡿሙྜ
࡜ᗄఱගᏛ㏆ఝࢆ࣮࣋ࢫ࡜ࡋࡓࣞ࢖ࢺ࣮ࣞࢫἲ䛒䜚䜢ぢㄗ䜛⟶ไᐁ䛿⯟✵
࡟ࡣㄗᕪࡀⓎ⏕ࡍࡿࠋࡀ࠶ࡿࠋࡋ࠿ࡋ㸪㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲࢆᗈ኱
⯟✵ᶵ㻭䛸㻮
ᶵ㻮䛻⤊ጞẼ௜䛸䛾␗ᖖ᥋㏆᪥ᮏᅜෆ࡟ࡣ」ᩘࡢ⁥㉮㊰ࢆ᭷ࡍࡿ✵ࡀ࠶࡞✵ 㠃඲య࡟㐺⏝ࡍࡿࡓࡵ࡟ࡣ㸪⭾኱࡞ィ⟬䛛䛺䛔䚹⾜ື䇷⯟✵ᶵ㻮䛻Ẽ௜ࡿࡓࡵ㸪
GBAS 㐠⏝࡟࠾࠸࡚ࡣ 1 ࡘࡢ VDB ࡟ࡼࢥࢫࢺࢆᚲせ࡜ࡍࡿࠋࡲࡓ㸪ࣞ࢖ࢺ࣮ࣞࢫἲࡣ㸪⟶ไᐁ䛝䚸⯟✵ᶵ㻮䛻
ࡾ」ᩘࡢ⁥㉮㊰㠃࡟ࢧ࣮ࣅࢫࡍࡿࡇ࡜ࡀ᝿ᐃࡉ
ẚ㍑ⓗ㧗࠸࿘Ἴᩘᖏ࡛⏝࠸ࡽࢀ㸪VHFᖏ࡛ࡣ⢭
䇷㏻ಙᅇ㑊ᣦ♧䜢ฟ䛭
䇷㏻ಙ䛖䛸䛧䛯䛜䚸㏻
ࢀࡿࠋࡉࡽ࡟ᆅ㠃཯ᑕ࡟ࡼࡿୖ✵࡛ࡢཷಙ㟁ຊᗘࡀຎ໬ࡍࡿࠋࡑࡇ࡛ᮏ◊✲࡛ࡣ㸪୧⪅ࡢ฼Ⅼ䛾๭䜚ಙ䛾๭䜚㎸䜏䛻
పୗࢆⓎ⏕ࡉࡏ࡞࠸ࡓࡵ࡟ࡣ
VDB ࢔ࣥࢸࢼタࢆά⏝ࡋࡓ᪂ࡓ࡞㸰ࡘࡢ㟁Ἴఏᦙゎᯒᡭἲࢆ㟷㎸䜏ᑐ䜘䜚䚸ᑐᛂ䛜㐜
ぢㄗ䛳䛶䚸ᛂ䜜䜛䚹⨨㧗ࡉࢆపࡃࡍࡿᚲせࡀ࠶ࡿࠋࡇࡢࡼ࠺࡞タ⨨ᒣᏛ㝔኱Ꮫ࡜㐃ᦠࡋ࡚㛤Ⓨࡋࡓࠋࡇࡢ㸰ࡘࡢᡭ
᭦䛻ゝ䛔㛫
⾜ື䇷⟶
↔䛳䛶Ꮡ
㐪䛘䜛䚹
ไᐁ䇷㏻
᮲௳ୗ࡟࠾࠸࡚ࡣ㸪ᘓ≀࡟཯ᑕ࠾ࡼࡧᘓ≀㛫ࢆἲࡣ GBAS ࡢタ⨨≧ἣ࡟ᛂࡌ࡚౑࠸ศࡅࡿࡇ࡜
ᅾ䛧䛺䛔
ಙ䇷㏻ಙ
ゝ䛔㛫
䝁䞊䝹䝃
㏻㐣ࡍࡿ㟁Ἴࡢఏᦙࢆ㸪≉Ṧ࡞኱ᆺィ⟬ᶵࢆ⏝ࡀྍ⬟࡛࠶ࡿࠋ
↔䜚
䛾ゝ䛔㛫
㐪䛔
䜲䞁䜢
㐪䛔䠄Ꮡᅾ
࠸ࡿࡇ࡜࡞ࡃỗ⏝PC ࡟ࡼࡾ㧗⢭ᗘ࡟ゎᯒࡍࡿࡲࡓ㸪ཷಙ㟁ຊࡢపୗ࣭▐᩿ࡀ⏕ࡌࡓሙྜ㸪
ゝ䛳䛶䛧
䛧䛺䛔䝁䞊
䜎䛖
࢔ࣝࢦࣜࢬ࣒ࡢ㛤Ⓨࡀᚲせ࡜࡞ࡿࠋ
GBAS ᶵୖ⿦⨨࡬࡝ࡢࡼ࠺࡞ᙳ㡪ࢆ୚࠼ࡿ࠿ࢆ
䝹䝃䜲䞁䠅
⯟✵ᶵ㻮
⯟✵ᶵ㻭䛸㻮
᫂ࡽ࠿࡟ࡋ࡚࠾ࡃࡇ࡜ࡣ GBAS ࢆ㐠⏝ࡍࡿୖ࡛䛿↓཯ᛂ䛸䛾␗ᖖ᥋㏆
࠾ࡃᚲせࡀ࠶ࡿࠋ௜㘓ࡢ஦㇟୍ぴࡣ⣽ศ㢮ࡲ࡛࡛

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令和元年度（第19回）電子航法研究所研究発表会

令和元年度（第19回）電子航法研究所研究発表会

convention of International Civil Aviation, ICAO, 1stEdition, July 2013.

ᩥ⊩% ࡢそᇦホ౯ᡭἲ࡟㛵ࡍࡿ᳨ウ
[1] AIR TRAFFIC SERVICES Annex 11 to theconvention of International Civil Aviation, ICAO,
13th Edition, 2001.

[17] FAA, “Safety Risk Management㸪͇FAA ORDER
8040.4, June 1998.

Required Navigation Performance Authorization[18] FAA, “Safety Risk Management Policy㸪͇FAA
ORDER 8040.4B, May 2017.

⯟ἲࢩࢫࢸ࣒㡿ᇦͤẟሯᩔ㸪ᩧ⸨┿஧[2]㟷ᒣᏛ㝔኱Ꮫ㡲㈡Ⰻ௓㸪ᖹ஭⩧ኴᮁ㸪㯮⏣ဴྐ㸪ᶫᮏಟ
Required (RNP AR) Procedure Design Manual, ICAODoc 9905, First Edition, 2009.

[3]



Safety Management Manual (SMM), ICAO Doc 9859,
Third Edition, 2013.

[4]

The ARMS Methodology for Operational Risk
㔜せ࡜࡞ࡿࠋࡇࢀࡽࡢホ౯ࢆྠᵝ࡟ᐇ㦂㌴୧࡟
Assessment in Aviation Organisations, ARMSࡼࡾホ౯ࡍࡿࡢࡣ⦾㞧࡛࠶ࡿࡓࡵ㸪ᐇ㦂ᐊ࡛ホ
Working Group, v.4.1, March 2010.

ࡅࡿ GBAS
ᬑཬ࡟ྥ
ࡢタ⨨ᢏ⾡
ࡣ⢭ᐦ㐍ධ
㝣ࢩࢫࢸ࣒
ྥୖࡍࡿࡓ
࣮ࢱᨺ㏦
㹼118MHz╔㝣ࢆࢧ࣏㉮㊰ୖ࡟ࡶOࡢSARPs
12ft㹼36ftࡿ㸦ཷಙ࢔ྵࡴ㸧[2]ࠋ
࡟ᐇ㦂⏝㌴
ࣥࢸࢼࡢ㐺
㘒ㄗࢆక࠺
ᦙࢩ࣑ࣗࣞ
ホ౯࡛ࡁࡿ

Collision Severity Evaluation Revision 2,” Apr. 2017.

[22] Clemens, P.L. and Rodney J. Simmons, “System
Safety and Risk Management㸪͇NIOSH Instructional
Module㸪Mar. 1998.

[6]⸨⏣, ኳ஭, “ΰྜ㐍ධ᪉ᘧ࡜ࡑࡢᏳ඲ᛶゎᯒᡭἲ
VDB ఏᦙゎᯒ࡟࠾ࡅࡿㄢ㢟2 GBASࡢึᮇ᳨ウ㸪͇㟁Ꮚ᝟ሗ㏻ಙᏛ఍ᢏ⾡◊✲ሗ࿌㸦ಙᏛᢏሗ㸧SSS2013-1㸪2013 ᖺ 5 ᭶.
」㞧࡞ᵓ㐀࡟࠾ࡅࡿ㟁Ἴࡢ᣺ࡿ⯙࠸ࢆィ⟬࡛

[23] D.S. Nielsen, O. Platz, B. Runge, “A CauseProtection System,” IEEE Transactions on Reliability,
Vol. 24, No. 1, Apr. 1975.

[7] ኳ஭, ⸨⏣, ᯇᒸ㸪͆Safety Case ࡢసᡂ࡟ࡼࡿ RNP
ࡁࡿ㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲ࡟ࡣ࣮࣓ࣔࣥࢺἲ㸪AR(≉ูチྍࢆせࡍࡿ⯟ἲᛶ⬟せ௳)㐍ධ᪉ᘧ➼᭷㝈せ⣲ἲ㸪FDTD ἲ࡞࡝ࡀ࠶ࡾ㸪ࣇ࢚࣮ࣝ࢘
࡜ᚑ᮶᪉ᘧ࡜ࡢΰྜ㐠⏝࡟㛵ࡍࡿᏳ඲ᛶศᯒ࡟
ࣈゎᯒᡭἲ࡜࿧ࡤࢀ࡚࠸ࡿࠋ㧗⢭ᗘ࡞ィ⟬ࡀྍࡘ࠸࡚㸪” ಙᏛᢏሗ SSS2014-3㸪2014 ᖺ 4 ᭶.
⬟࡛࠶ࡿ཯㠃㸪Ἴ㛗࡟ẚ࡭࡚኱ࡁ࡞ᵓ㐀≀ࡢィ[8] ᯇᒸ, ኳ஭,͆⯟✵⟶ไ࡟࠾ࡅࡿΰྜ㐍ධ᪉ᘧࡢᏳ
⟬࡟ࡣィ⟬᫬㛫࡜ィ⟬࣓ࣔࣜࢆᚲせ࡜ࡍࡿࡓࡵ㸪඲ᛶホ౯ࡢࡓࡵࡢࣄ࣮࣐࢚࣮ࣗࣥࣛ☜⋡ࡢ᥎ᐃἲ㸪” ಙᏛᢏሗ SSS2015-2㸪2015 ᖺ 5 ᭶.
✵ 㠃඲య࡟㐺⏝ࡍࡿࡓࡵ࡟ࡣ⭾኱࡞ィ⟬ࢥࢫࢺࡀᚲせ࡜࡞ࡿ[3]ࠋ
[9] ኳ஭, ᯇᒸ㸪͆༢୍⁥㉮㊰࡟࠾ࡅࡿ RNP AR ࡜ ILS
㐍ධ᪉ᘧࡢΰྜ㐠⏝ࡢᏳ඲ᛶ࡟ࡘ࠸࡚㸪” ᪥ᮏ୍᪉࡛㸪ࣞ࢖ࢺ࣮ࣞࢫἲࡣ㟁Ἴࡢఏᦙࢆග⥺ಙ㢗ᛶᏛ఍ㄅࠕಙ㢗ᛶࠖ
㸪37(5)㸪pp.220-227㸪 Sep.
㏆ఝ࡛ᢅࡗࡓࡶࡢ࡛࠶ࡾ㸪ᘓ≀࡟ࡼࡿ㟁Ἴࡢ཯
2015.
ᑕ࣭ᅇᢡࢆ⪃៖ࡋࡓそᇦィ⟬ホ౯ࡀྍ⬟࡛࠶ࡿࠋ[10] ኳ஭, ఫ㇂,͆ᥦ᱌ࡍࡿࣁࢨ࣮ࢻゎᯒᡭἲ࡜ᨭ᥼ࢯ
ࣇ࢚࣮ࣝ࢘ࣈゎᯒ࡟ẚ࡭࡚㸪ィ⟬ࢥࢫࢺࡀᑠࡉ
ࣇࢺ࢙࢘࢔ࡢㄢ㢟㸪” 㟁Ꮚ᝟ሗ㏻ಙᏛ఍ࢯࢧ࢖
࢚ࢸ࢕኱఍ A-13-1㸪2018 ᖺ 9 ᭶.
ࡃ῭ࡴ཯㠃㸪ᘓ≀ᵓ㐀ࡀᑠࡉ࠸ሙྜ࡟ࡣ㟁Ἴࡢ[11] ఫ㇂, ኳ஭,͆⯟✵⟶ไ㛵㐃ࣁࢨ࣮ࢻࡢ๓ᥦ᮲௳࡟
Ἴືⓗ࡞᣺ࡿ⯙࠸࡟ࡼࡾගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕㛵ࡍࡿ୍⪃ᐹ㸪” 㟁Ꮚ᝟ሗ㏻ಙᏛ఍ࢯࢧ࢖࢚ࢸ
ࡍࡿࠋㄗᕪࡣタ⨨≧ἣ࡟౫Ꮡࡍࡿࡀ㸪ᩘἼ㛗௨࢕኱఍ A-13-3㸪2019 ᖺ 3 ᭶.
ୗ࡛ගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕ࡍࡿሙྜ㸪VDB ࡢἼ͆ᐃ㔞ⓗࣁࢨ࣮ࢻゎᯒࡢࡓࡵࡢ
[12] ኳ஭, ఫ㇂, ᯇᒸ㸪㛗ࡀ 3m ⛬ᗘ࡛࠶ࡿࡇ࡜ࢆ⪃៖ࡍࡿ࡜㸪ᘓ≀ࢧ๓ᥦ᮲௳➼ࡢᐃ㔞໬㸪” 㟁Ꮚ᝟ሗ㏻ಙᏛ఍ࢯࢧ
࢖ࢬ࠾ࡼࡧᘓ≀㛫ࡢ㝽㛫ࡀ
10m ௨ୗ࡜࡞ࡿሙྜ
࢖࢚ࢸ࢕኱఍ A-13-4㸪2019ᖺ 3 ᭶.
࡟ࡣㄗᕪࡀⓎ⏕ࡍࡿࠋ[13] T. Matsuoka and O. Amai,͆Evaluating human error
data for hazards in air-traffic control and deriving᪥ᮏᅜෆ࡟ࡣ」ᩘࡢ⁥㉮㊰ࢆ᭷ࡍࡿ✵ࡀ࠶ aquantitative safety index,” Intl. J. Aviation
ࡿࡓࡵ㸪GBAS 㐠⏝࡟࠾࠸࡚ࡣ 1 ࡘࡢ VDB ࡟ࡼ
Management, 10.1504/IJAM.2019.098384, Mar.
ࡾ」ᩘࡢ⁥㉮㊰㠃࡟ࢧ࣮ࣅࢫࡍࡿࡇ࡜ࡀ᝿ᐃࡉ
2019.
ࢀࡿࠋࡉࡽ࡟ᆅ㠃཯ᑕ࡟ࡼࡿୖ✵࡛ࡢཷಙ㟁ຊ[14] NUREG/CR-4639 EGG-2458 Vol.5, Revision 4,
Nuclear Computerized Library
Assessing Reactor
పୗࢆⓎ⏕ࡉࡏ࡞࠸ࡓࡵ࡟ࡣ
VDBfor࢔ࣥࢸࢼタ
Reliability (NUCLARR) Part 2: Human Error⨨㧗ࡉࢆపࡃࡍࡿᚲせࡀ࠶ࡿࠋࡇࡢࡼ࠺࡞タ⨨
Probability (HEP) Data, 1994.
᮲௳ୗ࡟࠾࠸࡚ࡣ㸪ᘓ≀࡟཯ᑕ࠾ࡼࡧᘓ≀㛫ࢆ
[15] A.D. Swain and H.E. Guttman,͆Handbook of Human
Reliability Analysis with Emphasis on Nuclear Power㏻㐣ࡍࡿ㟁Ἴࡢఏᦙࢆ㸪≉Ṧ࡞኱ᆺィ⟬ᶵࢆ⏝Plant Applications,” Final report, NUREG/CR-1278,
࠸ࡿࡇ࡜࡞ࡃỗ⏝PC ࡟ࡼࡾ㧗⢭ᗘ࡟ゎᯒࡍࡿ
1983.
࢔ࣝࢦࣜࢬ࣒ࡢ㛤Ⓨࡀᚲせ࡜࡞ࡿࠋ[16] AIR TRAFFIC SERVICES Annex 19 to the

ࡌࡓሙྜ㸪
୚࠼ࡿ࠿ࢆ
⏝ࡍࡿୖ࡛

[24] W. Huw Gibson and Barry Kirwan, “Application of
the CARA HRA Tool to Air Traffic Management
Safety Cases,” EUROCONTROL report, 2008.
[25] W. Preischl and M. Hellmich, “Human error
probabilities from operational experience of German
nuclear power plants,” Reliability Engineering and
System Safety, 109, pp. 150-159, 2013.
[26] W. Preischl and M. Hellmich, “Human error
probabilities from operational experience of German
nuclear power plants Part II,” Reliability Engineeringand System Safety, 148, pp. 44-56, 2016.
[27] D.I. Gertman et al., “ INTENT: a method for
estimating human error probabilities for decision
based errors,” Reliability Engineering and System
Safety, 35, pp.127-136, 1992.
[28] HSE, Costs to Britain of Workplace Fatalities andSelf-Reported Injuries and Ill Health, 2013/14[online] http://www.hse.gov.uk/statistics/pdf/
cost-to-britain.pdf (accessed 10 July 2018).
[29] O.Amai and T.Matsuoka, “Air Traffic Control
Real-time Simulation Experiment Regarding theMixed Operation between RNP AR and ILS
Approach Procedures,” 2015 IAIN World Congress,
Prague, Czech Republic, Oct. 2015.
[30] ኳ஭,͆⯟✵⟶ไࣜ࢔ࣝࢱ࢖࣒ࢩ࣑࣮ࣗࣞࢩࣙࣥ
ᐇ㦂ࡢࡓࡵࡢ⯟✵஺㏻ᐦᗘࡢゎᯒ,” ᪥ᮏ⯟✵ᏱᐂᏛ఍㣕⾜ᶵࢩ࣏ࣥࢪ࣒࢘ 2F04㸪2017 ᖺ 10 ᭶.
[31] ኳ஭,͆ΰྜ㐠⏝࡟࠾࠸࡚ RNP AR 㐍ධ᪉ᘧ࡛㣕⾜ࡍࡿ⯟✵ᶵࡢ㣕⾜᫬㛫ࡢ▷⦰ຠᯝ࡟ࡘ࠸࡚,”᪥ᮏ⯟✵ᏱᐂᏛ఍㣕⾜ᶵࢩ࣏ࣥࢪ࣒࢘ 3C09㸪
2018 ᖺ 11 ᭶.

-52-52--1-

19-05-113_本文.indd[20] Geoff Wells, “HAZARD IDENTIFICATION ANDRISK ASSESSMENT,” Institution of Chemical
Engineers UK, 1996.
[21] B.E.Goldberg et al., “System Engineering “Toolbox”
for Design-Oriented Engineers,” NASA Reference
Publication 1358, Dec. 1994.

[5] David Arterburn
et al. , “Final Report for the FAA౯࡛ࡁࡿࡼ࠺࡞
ᐃ⣔ᵓ⠏ࡋࡓࠋ⤖ᯝࡢ୍౛࡜UAS Center of Excellence Task A4: UAS Ground࡜ࡶ࡟ᮏ✏࡟࡚♧ࡍࠋ

ࡢ㟁⏺ࣞ࣋
⏺ゎᯒᡭἲ
ࢺ࣮ࣞࢫἲ
ᡭἲࢆᗈ኱
⭾኱࡞ィ⟬
࣮ࢫἲࡣ㸪
ᖏ࡛ࡣ⢭
୧⪅ࡢ฼Ⅼ
ᯒᡭἲࢆ㟷
ࡢ㸰ࡘࡢᡭ
ศࡅࡿࡇ࡜

[19] Department of Defense㸪“SYSTEM SAFETY㸪͇
MIL-STD-882E, May 2012.

52

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令和元年度（第19回）電子航法研究所研究発表会㹙௜㘓㹛 ஦㇟୍ぴ㸦⌧ᅾࡲ࡛࡟Ὑ࠸ฟࡉࢀࡓ඲࡚ࡢ஦㇟㸧

㸯㸬*%$69'% ࡢそᇦホ౯ᡭἲ࡟㛵ࡍࡿ᳨ウ⾲ A-1 ஦㇟୍ぴ

኱ศ㢮

୰ศ㢮

ᑠศ㢮

⣽ศ㢮
⯟ἲࢩࢫࢸ࣒㡿ᇦͤẟሯᩔ㸪ᩧ⸨┿஧㻹㼕㼘㼕㼠㼍㼞㼥
ไ㝈✵ᇦ㦁㡢ᅇ㑊㟷ᒣᏛ㝔኱Ꮫ㡲㈡Ⰻ௓㸪ᖹ஭⩧ኴᮁ㸪㯮⏣ဴྐ㸪ᶫᮏಟὒୖ䜶䝸䜰䝺䞊䝎そᇦෆ䠄 䝺䞊䝎䛾✀㢮䜢グ㏙䠅䝍䞊䝭䝘䝹⟶ไ✵ᇦ䠄 ᑐ㇟✵ 䜢グ㏙䠅䝍䝽䞊⟶ไ✵ᇦ䠄 ᑐ㇟✵ 䜢グ㏙䠅
䢢
✵ ࿘㎶
ᆅୖ㉮⾜୰
1 ࡣࡌࡵ࡟㔜せ࡜࡞ࡿࠋࡇࢀࡽࡢホ౯ࢆྠᵝ࡟ᐇ㦂㌴୧࡟㞳㝣㟁Ꮚ⯟ἲ◊✲ᡤ࡛ࡣ㸪ᅜෆ࡟࠾ࡅࡿ GBAS ୖ᪼୰ࡼࡾホ౯ࡍࡿࡢࡣ⦾㞧࡛࠶ࡿࡓࡵ㸪ᐇ㦂ᐊ࡛ホ
䝣䜵䞊䝈
䜶䞁䝹䞊䝖
(Ground-Based Augmentation System) ᬑཬ࡟ྥ ୗ㝆୰౯࡛ࡁࡿࡼ࠺࡞ ᐃ⣔ᵓ⠏ࡋࡓࠋ⤖ᯝࡢ୍౛࡜
ࡅ࡚㸪㐠⏝ㄢ㢟ࡢ୍ࡘ࡛࠶ࡿᆅୖᒁࡢタ⨨ᢏ⾡ ᭱⤊㐍ධ୰࡜ࡶ࡟ᮏ✏࡟࡚♧ࡍࠋ✵ᇦ⎔ቃ╔㝣࡟㛵ࡍࡿ◊✲ࢆ⾜ࡗ࡚࠸ࡿࠋGBASࡣ⢭ᐦ㐍ධ ஺ᕪ㊰䠄 ஺ᕪゅ䜢グ㏙䠅⤒㊰
୍᪉㏻⾜ࢆ⾨ᫍ⯟ἲ࡟ࡼࡾᐇ⌧ࡍࡿḟୡ௦╔㝣ࢩࢫࢸ࣒ ᖹ⾜⤒㊰
2 GBAS VDB ఏᦙゎᯒ࡟࠾ࡅࡿㄢ㢟ᩘ್䜢グ㏙䠅
࡛㸪ᆅୖ࠿ࡽGPSࡢ⢭ᗘ࡜Ᏻ඲ᛶࢆྥୖࡍࡿࡓ ⟶ไ㛫㝸䠄」㞧࡞ᵓ㐀࡟࠾ࡅࡿ㟁Ἴࡢ᣺ࡿ⯙࠸ࢆィ⟬࡛⟶ไ᪉ᘧ㻭㻾⤒㊰ඃඛ㐠⏝つᐃࡵࡢ⿵ᙉ᝟ሗ㸪⤒㊰᝟ሗࢆVHFᖏࢹ࣮ࢱᨺ㏦ ど⛬䠄ࡁࡿ㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲ࡟ࡣ࣮࣓ࣔࣥࢺἲ㸪䜹䝔䝂䝸䞊䜎䛯䛿ᩘ್䜢グ㏙䠅㐠⏝᫬㛫㦁㡢➼䛷 䛾⚗Ṇ᫬㛫ᖏ䜢グ㏙ἲ࡞࡝ࡀ࠶ࡾ㸪ࣇ࢚࣮ࣝ࢘
(VDB:VHF Data Broadcast)࡟ࡼࡾ108㹼118MHz
᭷㝈せ⣲ἲ㸪FDTD
ᒣ
ᆅୖ㞀ᐖ≀
ᆅᙧ
࡛⯟✵ᶵ࡟ྥࡅ࡚ᨺ㏦ࡍࡿ[1]ࠋ⮬ື╔㝣ࢆࢧ࣏ ᘓ≀ ࣈゎᯒᡭἲ࡜࿧ࡤࢀ࡚࠸ࡿࠋ㧗⢭ᗘ࡞ィ⟬ࡀྍᒣᓅἼ䠄 Ẽ㇟䛸⤡䜐䠅⬟࡛࠶ࡿ཯㠃㸪Ἴ㛗࡟ẚ࡭࡚኱ࡁ࡞ᵓ㐀≀ࡢィ࣮ࢺࡍࡿࡓࡵ㸪ୖ✵ࡔࡅ࡛࡞ࡃ㸪⁥㉮㊰ୖ࡟ࡶ ⁥㉮㊰ᮏᩘ⁥㉮㊰⁥㉮㊰㛗⟬࡟ࡣィ⟬᫬㛫࡜ィ⟬࣓ࣔࣜࢆᚲせ࡜ࡍࡿࡓࡵ㸪ࢧ࣮ࣅࢫࢆᥦ౪ࡍࡿᚲせࡀ࠶ࡾ㸪ICAOࡢSARPs⁥㉮㊰ኚ᭦᪩ᮅ䚸ኤ᪉䠄
ኴ㝧䛸䛾㛵ಀ䠅✵ 㠃඲య࡟㐺⏝ࡍࡿࡓࡵ࡟ࡣ⭾኱࡞ィ⟬ࢥࢫ(ᶆ‽ཬࡧ່࿌᪉ᘧ) ࡛ࡣ㸪⁥㉮㊰ୖ12ft㹼36ft᫬㛫ᖏΰ㞧᫬࡛-87dBmࡢཷಙ㟁ຊࡀせồࡉࢀ࡚࠸ࡿ㸦ཷಙ࢔ ῝ኪ䠄ࢺࡀᚲせ࡜࡞ࡿ[3]ࠋ
㓄⨨ேဨ䛸䛾㛵ಀ➼䠅ࣥࢸࢼ↓ᣦྥᛶ㸪ᶵయᐇ⿦ᦆኻ15dBྵࡴ㸧[2]ࠋ 㢼ྥ㢼㏿୍᪉࡛㸪ࣞ࢖ࢺ࣮ࣞࢫἲࡣ㟁Ἴࡢఏᦙࢆග⥺⃰㟝✵ 㠃ୖࡢ VDB ࡢそᇦホ౯ࡣ୺࡟ᐇ㦂⏝㌴ ✚஘㞼㏆ఝ࡛ᢅࡗࡓࡶࡢ࡛࠶ࡾ㸪ᘓ≀࡟ࡼࡿ㟁Ἴࡢ཯ྎ㢼୧࡟ࡼࡿᐇ ࡛⾜ࢃࢀࡿࡀ㸪VDB
࢔ࣥࢸࢼࡢ㐺 ✚㞷䠄ᑕ࣭ᅇᢡࢆ⪃៖ࡋࡓそᇦィ⟬ホ౯ࡀྍ⬟࡛࠶ࡿࠋẼ㇟⁥㉮㊰䛸䛾㛵ಀ䠅ど⛬䠅ษ࡞タ⨨఩⨨ࢆỴᐃࡍࡿࡇ࡜ࡣヨ⾜㘒ㄗࢆక࠺ ኱㞷䠄ࣇ࢚࣮ࣝ࢘ࣈゎᯒ࡟ẚ࡭࡚㸪ィ⟬ࢥࢫࢺࡀᑠࡉ㞾㞵ࡃ῭ࡴ཯㠃㸪ᘓ≀ᵓ㐀ࡀᑠࡉ࠸ሙྜ࡟ࡣ㟁Ἴࡢࡓࡵ㸪⦾㞧࡜࡞ࡿࠋࡑࡇ࡛㸪㟁Ἴఏᦙࢩ࣑ࣗࣞ ᒣᓅἼ䠄ᆅᙧ䛸⤡䜐䠅
◁ᇕἼືⓗ࡞᣺ࡿ⯙࠸࡟ࡼࡾගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕࣮ࢩࣙࣥ࡟ࡼࡾ㧗⢭ᗘ࡟ཷಙ㟁ຊࢆホ౯࡛ࡁࡿ ⥭ᛴ␗ᖖ஦ែ䛾ఏ㐩᝟ሗᥦ౪䛾Ḟ
⿕⟶ไᶵ䛾࿘ᅖ䛾⯟✵ᶵ䛾≧ἣࡍࡿࠋㄗᕪࡣタ⨨≧ἣ࡟౫Ꮡࡍࡿࡀ㸪ᩘἼ㛗௨ࡇ࡜ࡀᮃࡲࡋ࠸ࠋ ዴ⁥㉮㊰㠃䛾≧ែୗ࡛ගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕ࡍࡿሙྜ㸪VDB ࡢἼ㟁Ἴఏᦙゎᯒᡭἲ࡟ࡣ㸪⁥㉮㊰ୖࡢ㟁⏺ࣞ࣋ ⇞ᩱ୙㊊
⥭ᛴ஦ែ䝝䜲䝆䝱䝑䜽
㛗ࡀ 3m ⛬ᗘ࡛࠶ࡿࡇ࡜ࢆ⪃៖ࡍࡿ࡜㸪ᘓ≀ࢧࣝࢆ⢭ᗘⰋࡃồࡵࡽࢀࡿ㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲ䠄 ඃඛᶒ䛒
ᶵෆ䝖䝷䝤䝹
䜚䠅䜶䞁䝆䞁䝖䝷䝤䝹
࢖ࢬ࠾ࡼࡧᘓ≀㛫ࡢ㝽㛫ࡀ 10m ௨ୗ࡜࡞ࡿሙྜ
࡜ᗄఱගᏛ㏆ఝࢆ࣮࣋ࢫ࡜ࡋࡓࣞ࢖ࢺ࣮ࣞࢫἲ
ᛴᝈ࡟ࡣㄗᕪࡀⓎ⏕ࡍࡿࠋࡀ࠶ࡿࠋࡋ࠿ࡋ㸪㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲࢆᗈ኱ 䝗䝻䞊䞁䛜✵ᇦ䛻౵ධ␗ᖖ஦ែ㼂㻲㻾ᶵ䛾㏞䛔㎸䜏᪥ᮏᅜෆ࡟ࡣ」ᩘࡢ⁥㉮㊰ࢆ᭷ࡍࡿ✵ ࡀ࠶࡞✵ 㠃඲య࡟㐺⏝ࡍࡿࡓࡵ࡟ࡣ㸪⭾኱࡞ィ⟬㼂㻵㻼ᦚ஌ᶵ䛾ᢅ䛔
ࡿࡓࡵ㸪GBAS⟶ไᐁഃ䠅㐠⏝࡟࠾࠸࡚ࡣ 1 ࡘࡢ VDB ࡟ࡼࢥࢫࢺࢆᚲせ࡜ࡍࡿࠋࡲࡓ㸪ࣞ࢖ࢺ࣮ࣞࢫἲࡣ㸪 㣕⾜᳨ᰝᶵ䜈䛾ᑐᛂ䠄
≉ูᴗົ
ᐇᶵカ⦎
ࡾ」ᩘࡢ⁥㉮㊰㠃࡟ࢧ࣮ࣅࢫࡍࡿࡇ࡜ࡀ᝿ᐃࡉ
ẚ㍑ⓗ㧗࠸࿘Ἴᩘᖏ࡛⏝࠸ࡽࢀ㸪VHF ᖏ࡛ࡣ⢭ ⥭ᛴⓎ㐍䜈䛾ᑐᛂ㏻ᖖᴗົ䛛䜙
ᩆ㞴䝣䝷䜲䝖
ࢀࡿࠋࡉࡽ࡟ᆅ㠃཯ᑕ࡟ࡼࡿୖ✵࡛ࡢཷಙ㟁ຊᗘࡀຎ໬ࡍࡿࠋࡑࡇ࡛ᮏ◊✲࡛ࡣ㸪୧⪅ࡢ฼Ⅼ䛾㐓⬺㻵㻸㻿᭦᪂䛷 䛾㼂㻻㻾䜰䝥䝻䞊䝏ࢆά⏝ࡋࡓ᪂ࡓ࡞㸰ࡘࡢ㟁Ἴఏᦙゎᯒᡭἲࢆ㟷೵㟁 పୗࢆⓎ⏕ࡉࡏ࡞࠸ࡓࡵ࡟ࡣ VDB ࢔ࣥࢸࢼタ㠀᪥ᖖ≧ែᆅ㟈⨨㧗ࡉࢆపࡃࡍࡿᚲせࡀ࠶ࡿࠋࡇࡢࡼ࠺࡞タ⨨ᒣᏛ㝔኱Ꮫ࡜㐃ᦠࡋ࡚㛤Ⓨࡋࡓࠋࡇࡢ㸰ࡘࡢᡭ ⅆᒣᄇⅆ⯟✵ᶵ䛛䜙䛾⥭ᛴ஦ែ➼䛾ᐉ࿌᮲௳ୗ࡟࠾࠸࡚ࡣ㸪ᘓ≀࡟཯ᑕ࠾ࡼࡧᘓ≀㛫ࢆἲࡣ GBAS ࡢタ⨨≧ἣ࡟ᛂࡌ࡚౑࠸ศࡅࡿࡇ࡜
✺Ⓨⓗ஦㇟
⥭ᛴ㝆ୗ
㏻㐣ࡍࡿ㟁Ἴࡢఏᦙࢆ㸪≉Ṧ࡞኱ᆺィ⟬ᶵࢆ⏝ࡀྍ⬟࡛࠶ࡿࠋ
ணᮇ䛫䛼㆙ሗ
䝞䞊䝗䝇 䝖䝷䜲䜽䜲䞁䝅䝕䞁䝖
࠸ࡿࡇ࡜࡞ࡃỗ⏝ PC ࡟ࡼࡾ㧗⢭ᗘ࡟ゎᯒࡍࡿࡲࡓ㸪ཷಙ㟁ຊࡢపୗ࣭▐᩿ࡀ⏕ࡌࡓሙྜ㸪
䝟䞁䜽
⁥㉮㊰㛢㙐
⁥㉮㊰Ⅼ᳨
࢔ࣝࢦࣜࢬ࣒ࡢ㛤Ⓨࡀᚲせ࡜࡞ࡿࠋ
GBAS ᶵୖ⿦⨨࡬࡝ࡢࡼ࠺࡞ᙳ㡪ࢆ୚࠼ࡿ࠿ࢆ⁥㉮㊰㝗ἐ᫂ࡽ࠿࡟ࡋ࡚࠾ࡃࡇ࡜ࡣ GBAS ࢆ㐠⏝ࡍࡿୖ࡛ ⁥㉮㊰ୖ䛾஦ᨾ䠄 ⬗య╔㝣䚸䜸䞊䝞䞊䝷䞁➼䠅

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53

53

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14:47:27

令和元年度（第19回）電子航法研究所研究発表会

令和元年度（第19回）電子航法研究所研究発表会% ࡢそᇦホ౯ᡭἲ࡟㛵ࡍࡿ᳨ウ኱ศ㢮⾲ A-2 ஦㇟୍ぴ㸦⥆ࡁ㸧
୰ศ㢮

ᑠศ㢮

஺㏻≧ἣ

⯟ἲࢩࢫࢸ࣒㡿ᇦͤẟሯᩔ㸪ᩧ⸨┿஧㟷ᒣᏛ㝔኱Ꮫ㡲㈡Ⰻ௓㸪ᖹ஭⩧ኴᮁ㸪㯮⏣ဴྐ㸪ᶫᮏಟ
ᆅୖᶵჾ

ᶵჾ
⟶ไ䛚䜘䜃ᶵ㔜せ࡜࡞ࡿࠋࡇࢀࡽࡢホ౯ࢆྠᵝ࡟ᐇ㦂㌴୧࡟
ୖ䝅䝇䝔䝮䛾≧ἣᶵୖ⿦⨨ࡼࡾホ౯ࡍࡿࡢࡣ⦾㞧࡛࠶ࡿࡓࡵ㸪ᐇ㦂ᐊ࡛ホࡅࡿ GBAS
ᬑཬ࡟ྥ
ࡢタ⨨ᢏ⾡
ࡣ⢭ᐦ㐍ධ
㝣ࢩࢫࢸ࣒
ྥୖࡍࡿࡓ
࣮ࢱᨺ㏦
㹼118MHz╔㝣ࢆࢧ࣏㉮㊰ୖ࡟ࡶOࡢSARPs
12ft㹼36ftࡿ㸦ཷಙ࢔ྵࡴ㸧[2]ࠋ
࡟ᐇ㦂⏝㌴
ࣥࢸࢼࡢ㐺
㘒ㄗࢆక࠺
ᦙࢩ࣑ࣗࣞ
ホ౯࡛ࡁࡿ

౯࡛ࡁࡿࡼ࠺࡞ ᐃ⣔ᵓ⠏ࡋࡓࠋ⤖ᯝࡢ୍౛࡜
࡜ࡶ࡟ᮏ✏࡟࡚♧ࡍࠋ
㏻ಙ

2 GBAS VDB ఏᦙゎᯒ࡟࠾ࡅࡿㄢ㢟」㞧࡞ᵓ㐀࡟࠾ࡅࡿ㟁Ἴࡢ᣺ࡿ⯙࠸ࢆィ⟬࡛ࡁࡿ㧗⢭ᗘ㟁☢⏺ゎᯒᡭἲ࡟ࡣ࣮࣓ࣔࣥࢺἲ㸪᭷㝈せ⣲ἲ㸪FDTD ἲ࡞࡝ࡀ࠶ࡾ㸪ࣇ࢚࣮ࣝ࢘
ࣈゎᯒᡭἲ࡜࿧ࡤࢀ࡚࠸ࡿࠋ㧗⢭ᗘ࡞ィ⟬ࡀྍ㏻ಙ
⬟࡛࠶ࡿ཯㠃㸪Ἴ㛗࡟ẚ࡭࡚኱ࡁ࡞ᵓ㐀≀ࡢィ⟬࡟ࡣィ⟬᫬㛫࡜ィ⟬࣓ࣔࣜࢆᚲせ࡜ࡍࡿࡓࡵ㸪✵ 㠃඲య࡟㐺⏝ࡍࡿࡓࡵ࡟ࡣ⭾኱࡞ィ⟬ࢥࢫ⟶ไᐁࢺࡀᚲせ࡜࡞ࡿ[3]ࠋ
㌟య≧ἣ୍᪉࡛㸪ࣞ࢖ࢺ࣮ࣞࢫἲࡣ㟁Ἴࡢఏᦙࢆග⥺㏆ఝ࡛ᢅࡗࡓࡶࡢ࡛࠶ࡾ㸪ᘓ≀࡟ࡼࡿ㟁Ἴࡢ཯ᛮ⪃ᑕ࣭ᅇᢡࢆ⪃៖ࡋࡓそᇦィ⟬ホ౯ࡀྍ⬟࡛࠶ࡿࠋࣇ࢚࣮ࣝ࢘ࣈゎᯒ࡟ẚ࡭࡚㸪ィ⟬ࢥࢫࢺࡀᑠࡉࡃ῭ࡴ཯㠃㸪ᘓ≀ᵓ㐀ࡀᑠࡉ࠸ሙྜ࡟ࡣ㟁ἼࡢἼືⓗ࡞᣺ࡿ⯙࠸࡟ࡼࡾගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕⾜ືࡍࡿࠋㄗᕪࡣタ⨨≧ἣ࡟౫Ꮡࡍࡿࡀ㸪ᩘἼ㛗௨ୗ࡛ගᏛ㏆ఝ࡟ㄗᕪࡀⓎ⏕ࡍࡿሙྜ㸪VDB ࡢἼ㛗ࡀ 3m ⛬ᗘ࡛࠶ࡿࡇ࡜ࢆ⪃៖ࡍࡿ࡜㸪ᘓ≀ࢧ
㏻ಙ࢖ࢬ࠾ࡼࡧᘓ≀㛫ࡢ㝽㛫ࡀ 10m ௨ୗ࡜࡞ࡿሙྜ
࡟ࡣㄗᕪࡀⓎ⏕ࡍࡿࠋ᪥ᮏᅜෆ࡟ࡣ」ᩘࡢ⁥㉮㊰ࢆ᭷ࡍࡿ✵ ࡀ࠶㌟య≧ἣࡿࡓࡵ㸪GBAS 㐠⏝࡟࠾࠸࡚ࡣ 1 ࡘࡢ
VDB ࡟ࡼ
䝟䜲䝻䝑䝖ࡾ」ᩘࡢ⁥㉮㊰㠃࡟ࢧ࣮ࣅࢫࡍࡿࡇ࡜ࡀ᝿ᐃࡉ
ࢀࡿࠋࡉࡽ࡟ᆅ㠃཯ᑕ࡟ࡼࡿୖ✵࡛ࡢཷಙ㟁ຊᛮ⪃
పୗࢆⓎ⏕ࡉࡏ࡞࠸ࡓࡵ࡟ࡣ VDB ࢔ࣥࢸࢼタ⨨㧗ࡉࢆపࡃࡍࡿᚲせࡀ࠶ࡿࠋࡇࡢࡼ࠺࡞タ⨨᮲௳ୗ࡟࠾࠸࡚ࡣ㸪ᘓ≀࡟཯ᑕ࠾ࡼࡧᘓ≀㛫ࢆ
㏻㐣ࡍࡿ㟁Ἴࡢఏᦙࢆ㸪≉Ṧ࡞኱ᆺィ⟬ᶵࢆ⏝࠸ࡿࡇ࡜࡞ࡃỗ⏝ PC ࡟ࡼࡾ㧗⢭ᗘ࡟ゎᯒࡍࡿ࢔ࣝࢦࣜࢬ࣒ࡢ㛤Ⓨࡀᚲせ࡜࡞ࡿࠋ

ࡢ㟁⏺ࣞ࣋
⏺ゎᯒᡭἲ
ࢺ࣮ࣞࢫἲ
ᡭἲࢆᗈ኱
⭾኱࡞ィ⟬
࣮ࢫἲࡣ㸪
ᖏ࡛ࡣ⢭
୧⪅ࡢ฼Ⅼ
ᯒᡭἲࢆ㟷
ࡢ㸰ࡘࡢᡭ
ศࡅࡿࡇ࡜

ࡌࡓሙྜ㸪
୚࠼ࡿ࠿ࢆ
⏝ࡍࡿୖ࡛

ᢏ⬟

-54-54--1-

19-05-113_本文.indd⣽ศ㢮⯟✵ᶵ㛫䛾఩⨨㛵ಀ䠄䝦䝑䝗䜸䞁➼䠅㏆䛟䛻䝖䝷䝣䜱䝑䜽䛒䜚
஺㏻ᐦᗘ
㐍ධ᚟⾜
⟶ไ䝅䝇䝔䝮䛾ᨾ㞀䠄㻾㻰㻼䚸㻲㻰㻼⣔䠅䝯䜲䞁䝔䝘䞁䝇䛻䜘䜛౑⏝ไ㝈ᨾ㞀䛻䜘䜛౑⏝ไ㝈㇦㞵䛻䜘䜛ᾐỈ㏻ಙᶵჾ䛾䝖䝷䝤䝹䠄䝝䞊䝗䠅ᩚഛ୙Ⰻ㻲㻹㻿䛾ᨾ㞀
㻳㻺㻿㻿㛵㐃䛾୙ලྜ⯟ἲ㛵ಀ⿦⨨䛾ᨾ㞀
㏻ಙᶵჾ䛾䝖䝷䝤䝹䠄䝝䞊䝗䠅ᩚഛ୙Ⰻ
㏻ಙ䝤䝻䝑䜽䠄㏻ಙᶵჾᖖ᫬㻻㻺≧ែ䠅
㏻ಙ䛾ྠ᫬㏦ಙ
㏻ಙ䛾୙タᐃ
㢮ఝ䛧䛯䝁䞊䝹䝃䜲䞁䠄䝅䝇䝔䝮タィ䠅
㏻ಙ䛾㢌䛜ษ䜜䜛䚹㏻ಙ䛾๭䜚㎸䜏ᑐᛂ
㏻ಙ䛾䝍䜲䝭䞁䜾䛜㐜䜜䜛䚹㏻ಙ䛾ゝ䛔㛫㐪䛔䠄Ꮡᅾ䛧䛺䛔䝁䞊䝹䝃䜲䞁䠅㏻ಙ䛾ゝ䛔㛫㐪䛔䠄௚ᶵ䛾䝁䞊䝹䝃䜲䞁䠅㏻ಙ䛾ゝ䛔㛫㐪䛔䠄㏿ᗘ䠅
㏻ಙ䛾ゝ䛔㛫㐪䛔䠄㧗ᗘ䠅
㏻ಙ䛾ゝ䛔㛫㐪䛔䠄㔪㊰䠅
㏻ಙ䛾ゝ䛔㛫㐪䛔䠄┤⾜ᆅⅬྡ䠅
㏻ಙෆᐜ䛾㱈㱒
㏻ಙ䛾⪺䛝㛫㐪䛔
㏻ಙ㔞䛜↓㥏䛻ከ䛔
㏻ಙෆᐜ䛜୙᫂░యㄪ୙Ⰻ≧ἣ䜢䛖䜎䛟ᢕᥱ䛷䛝䛺䛔䝩䝽䜲䝖䜰䜴䝖䛻䛺䜚ᛮ⪃䛜೵Ṇ䛩䜛ㄆ㆑䜢ㄗ䜛ㄆ㆑䛜㐜䜜䜛
ุ᩿䜢ㄗ䜛ุ᩿䛜㐜䜜䜛
ண 䜢ㄗ䜛
つᐃ㐪཯
ᒃ╀䜚
ㄒᏛຊ୙㊊
㏻ಙ䛾㢌䛜ษ䜜䜛䚹㏻ಙ䛾䝍䜲䝭䞁䜾䛜㐜䜜䜛䚹㏻ಙෆᐜ䛾㱈㱒
㻭㼀㻯㏻ಙ䛾⪺䛝㛫㐪䛔
㻭㼀㻯㏻ಙ䛾⪺䛝㏨䛧
㏻ಙ䛾ゝ䛔㛫㐪䛔
᚟ၐ㛫㐪䛔㻭㼀㻯䛾ᣦ♧䛻ᑐ䛩䜛⾜ື㐜䜜
㏻ಙ㔞䛜↓㥏䛻ከ䛔
㏻ಙෆᐜ䛜୙᫂░యㄪ୙Ⰻ≧ἣ䜢䛖䜎䛟ᢕᥱ䛷䛝䛺䛔᧯⦪ᖍෆ䛷䛾ㄆ㆑䛾㱈㱒ㄆ㆑䜢ㄗ䜛ㄆ㆑䛜㐜䜜䜛
ุ᩿䜢ㄗ䜛ุ᩿䛜㐜䜜䜛ண 䜢ㄗ䜛ᶵჾ䛾᧯స䝭䝇
つᐃ㐪཯
ᒃ╀䜚
ㄒᏛຊ୙㊊
㻲㻹㻿䛾タᐃ䝭䝇
⤒㦂
▱㆑
ᢏ㔞
㈨᱁

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2019/05/24

14:47:28