Question
81
Target swap pada ARPA adalah keadaan ketika...
Target swap on ARPA is the condition when...
Options
a
Sistem tertukar melacak target yang berdekatan
The system incorrectly exchanges tracking between nearby targets
b
Radar kehilangan semua range rings
Radar loses all range rings
c
Antena berhenti sebelum satu putaran
The antenna stops before one complete rotation
d
Layar menjadi gelap total
The screen becomes completely dark
Grade
Medium
Last Update
06 Jul 2026 14:18
By Yan
Question
82
Data ARPA seperti CPA dan TCPA paling andal bila...
ARPA data such as CPA and TCPA are most reliable when...
Options
a
Target dan kapal sendiri mempertahankan haluan serta kecepatan
The target and own ship maintain course and speed
b
Kapal sendiri sering mengubah haluan
Own ship frequently alters course
c
Target baru saja diakuisisi satu sapuan
The target has just been acquired on one sweep
d
Hujan lebat menutupi seluruh layar
Heavy rain covers the entire screen
Grade
Medium
Last Update
06 Jul 2026 14:18
By Yan
Question
83
Bila target melakukan manuver mendadak, data ARPA...
If a target makes a sudden manoeuvre, ARPA data...
Options
a
Memerlukan waktu untuk menyesuaikan sebelum kembali stabil
Require time to adjust before becoming stable again
b
Langsung selalu akurat tanpa jeda
Become immediately accurate without delay
c
Tetap tidak berubah sampai target hilang
Remain unchanged until the target disappears
d
Berubah hanya bila operator menekan tombol reset
Change only when the operator presses the reset button
Grade
Hard
Last Update
06 Jul 2026 14:21
By Yan
Question
84
Jika skala vektor disetel 6 menit, panjang vektor menunjukkan...
If the vector scale is set to 6 minutes, the vector length shows...
Options
a
Perkiraan jarak tempuh target dalam 6 menit
The estimated distance the target will travel in 6 minutes
b
Jarak target saat ini dari kapal sendiri
The target’s present range from own ship
c
Waktu sisa sampai target hilang
The remaining time until the target disappears
d
Panjang fisik target di layar
The physical length of the target on the screen
Grade
Medium
Last Update
06 Jul 2026 14:21
By Yan
Question
85
Jika target menunjukkan CPA kecil dan TCPA singkat, hal itu menandakan...
If a target shows a small CPA and a short TCPA, it indicates...
Options
a
Bahaya tabrakan memerlukan perhatian segera
Collision danger requiring immediate attention
b
Target pasti melintas aman di buritan
The target will certainly pass safely astern
c
Tidak ada risiko karena target terlihat di radar
There is no risk because the target is visible on radar
d
Hanya menunjukkan target lebih besar dari kapal sendiri
It only shows that the target is larger than own ship
Grade
Easy
Last Update
06 Jul 2026 14:22
By Yan
Question
86
Bila baringan target membuka dan jarak meningkat setelah titik terdekat terlewati, keadaan ini menunjukkan...
If the target bearing opens and the range increases after the closest point has been passed, this indicates...
Options
a
Target telah lewat aman dan sedang menjauh
The target has passed safely and is moving away
b
Risiko tabrakan makin besar
The risk of collision is increasing
c
CPA belum tercapai
CPA has not yet been reached
d
Target sedang berhenti di air
The target is stopped in the water
Grade
Medium
Last Update
06 Jul 2026 14:23
By Yan
Question
87
Penilaian risiko tabrakan tidak boleh didasarkan hanya pada...
Assessment of collision risk must not be based only on...
Options
a
Satu observasi radar sesaat
A single momentary radar observation
b
Plotting atau pengamatan sistematis
Plotting or systematic observation
c
Perubahan baringan dari waktu ke waktu
Changes in bearing over time
d
Data CPA dan TCPA yang dipantau
Monitored CPA and TCPA data
e
f
g
h
i
Grade
Medium
Last Update
06 Jul 2026 14:31
By Yan
Question
88
True trails akan paling bermakna bila digunakan pada tampilan...
True trails are most meaningful when used on a...
Options
a
Stabilized display seperti north-up atau course-up
Stabilized display such as north-up or course-up
b
Head-up tanpa heading input
Head-up display without heading input
c
Layar dengan gain minimum
Screen with minimum gain
d
Mode transmit off
Transmit off mode
Grade
Hard
Last Update
06 Jul 2026 14:31
By Yan
Question
89
Pada radar modern, cursor umumnya digunakan untuk...
On modern radar, the cursor is generally used to...
Options
a
Memilih posisi atau target pada layar untuk pengukuran dan fungsi lain
Select a position or target on the screen for measurement and other functions
b
Mengganti panjang gelombang radar
Change the radar wavelength
c
Mengatur putaran mesin induk
Adjust main engine rotation
d
Menentukan deviasi kompas magnet
Determine magnetic compass deviation
Grade
Medium
Last Update
06 Jul 2026 14:32
By Yan
Question
90
Echo stretch atau target enhancement digunakan untuk...
Echo stretch or target enhancement is used to...
Options
a
Memperjelas tampilan target kecil atau lemah
Clarify the display of small or weak targets
b
Menghilangkan semua gangguan hujan
Eliminate all rain interference
c
Mengubah baringan relatif menjadi baringan sejati
Convert relative bearing to true bearing
d
Menurunkan kecepatan putar antena
Reduce antenna rotation speed
Grade
Medium
Last Update
06 Jul 2026 14:33
By Yan