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level: Level 1

Questions and Answers List

level questions: Level 1

QuestionAnswer
1. What is the purpose of the flying control actuator (FCPA)?To ensure the main Rotor head and flying controls are set to the correct flying position prior to a folding operation
2. Which component of the sonar locator beacon provides the operating power required for it to transmit for a minimum of 10 days?Lithium battery
3. Data can be uploaded and downloaded to the aircraft management system (AMS) on the merlin aircraft, what portable device is used to store the data?Aircraft data transfer module (ADTM)
4. What are the purpose of the merlin folding/spreading system?- To allow the folding or spreading of the main rotor blades and/or tail pylon - To reduce the aircraft overall dimensions for storage
5. What are the purpose and function of the ISIS?- To be used as a reference for comparing flight data during normal flight conditions - To supply important flight data in the event of an CDS or AMS failure
6. What is the purpose of the emergency Avionics system?To provide important A/C data for the accident investigation in the event of an accident
7. What are the two main functions of the keyable down facing indent light?- To illuminate a ground or sea area bellow the aircraft - To transmit Morse code
8. What is the purpose of the central warning system (CWS)?- To alert the pilot by visual and audible means - That a failure has been detected by the relevant sensor
9. List the three main components of the EAS that are housed inside the beacon and aerofoilunit (BAU) - Emergency locator transmitter - The non rechargeable lithium battery pack - Cockpit voice recorder/ flight data recorder memory module
10. What is the major components of the merlins SMS?- SMS and armament circuit breakers - Master armament safety switch panel - Cabin heavy stores control - Weapons processor unit - Heavy stores interface units - Sonorbouys dispensers interface
11. What is the EAS tri-axial accelerometer located?On the underside of the cabin roof
12. What must you ensure before any folding/spreading operations are carried out with respect to the area?- The area around the aircraft is clear and free from obstruction - There is no risk of the blades or tail striking any part of the aircraft or personnel
13. Name the 4 components in the blank boxes bellow- Flight control computer 1 - Flight control computer 2 - Vertical gyro - Dynamic sensor unit
14. What zonal area of the merlin aircraft is known as the lower fuse?- Zone 200
15. What is the number of the topic used to carry out flight servicing operations?- Topic 5B1
16. With reference to the sonics system what is the purpose of the SIFF crash switch?Erase mode 4 data when the aircraft crashes
17. What directional coverage do the I-Band system antenna provide?360 degrees
18. Where is the sonics/sonorboys homer switch located?Mission console ancillary panel
19. What is the purpose of the sonics UHF command transmit unit?It controls the operation of CAMBS using discrete commands passed to it over an interface from the CAP
20. Where on the aircraft is the rotor ice protection unit located?Under the forward fixed fairing
21. What is the purpose of the programme loading unit within the ESM system?To hold classified data for the ESM system
22. How many intercom networks are available via central audio selection station?4
23. With respect to the merlin radar system, list the 4 modes of operation available?- Surveillance mode - SAR mode - ISAR mode - Weather mode
24. What are the major components of the GNSS?- FRPA - GNSSU
25. Identify the sonics system homing antennas shown bellow- Sonorbouy homing antenna aft - Sonorbouy homing antenna fore - Sonorbouy homing antenna right - Sonorbouy homing antenna left
26. Where is the I-band control unit installed?On the inter seat console
27. Label the parts of the ADS system?- Winch - WIU - Oil cooler - STR
28. Are the AC generators phase matched?no
29. List the 4 of the 5 LRU of the ADS system that contain high voltages?- STR - Power relays - Submersible unit - Hydraulic oil cooler
30. What is the minimum safe distance for personnel from the radome during a ground test of the radar?- 78m
31. Where is the master control unit located?Bay 1, on the right hand side of the aircraft
32. Where is the dispensing system ground safety switches located?Located at the rear edge of the port and starboard sponson’s
33. How many common missile warning systems Electro-optical missile sensors are fitted to the merlin?5
34. State the purpose of the infra-red counter measure systemThe IRCM provides jamming of the infrared heat seeking missiles
35. Where is the EO/IR GPS receiver located?The EO/IR reciver is located on the right avionic upper shelf
36. Name the two principle components of the traffic advisory system?- Traffic processor - Traffic display
37. State the purpose of the countermeasures dispensing systemThe CDMS provides an expendable countermeasure dispensing capability Flare cartridges are dispensed as counter measures against radar or infrared homing threats
38. State the properties of the infer-red countermeasures electro-magnetic interface- It prevents the transfer pf electromagnetic interference from the system to the aircraft systems - And reduces the vulnerability of the system to EMI from external source
39. Where are the countermeasures dispensing system manual dispense buttons located?- Manual dispense buttons provided for the pilot and co-pilot on the cyclic grips - Guarded manual dispense button on the hoist operator station - A guarded manual dispense button above the cabin window at the rear of the mission console
40. Identify the FMV components- Multi-band datalink - Interface plate - Heat sink assembly
41. Name 6 of the 8 components on merlin radar system- Transmitter - Receiver - Processor - Waveguide switch - Waveguide assembly - Dummy load - EMC load - Scanner
42. What ensures that the ICU and IDU 5 receive a constant voltage?- Dc to Dc converter
43. What device is used to upload digital map data to the tactical management system?- Removable map module
44. What is the purpose of the no.1 TRUConverts 115v 3 phase AC from NO1 main busbar to 28v dc
45. Which comms system:A. v/UHF/HF intercom B. Emergency coms Net 4 C. HF UHF
46. What hazard is associated with the rad alt during maintenance?It will transmit whenever power is applied to the A/C
47. Which system/component is ADS data recorded on?- MRS - T-DTM