Directive of the European Parliament and of the Council of 12 December 2006 laying down technical requirements for inland waterway vessels and repealing Council Directive 82/714/EEC (2006/87/EC) (repealed)

PART IV U.K. MINIMUM REQUIREMENTS AND TEST CONDITIONS FOR RATE-OF-TURN INDICATORS USED IN INLAND WATERWAY VESSELS

CHAPTER 1 U.K. GENERAL

Article 1.01 U.K. Scope

These provisions set out the minimum technical and operational requirements for rate-of-turn indicators used in inland waterway vessels, as well as the conditions for testing conformity with these minimum requirements.

Article 1.02 U.K. Purpose of the rate-of-turn indicator

The rate-of-turn indicator is intended to facilitate radar navigation, and to measure and indicate the rate of turn of the vessel to port or starboard.

Article 1.03 U.K. Approval testing

Rate-of-turn indicators may not be installed on board vessels until it has been established by means of a type test that they meet the minimum requirements laid down in these provisions.

Article 1.04 U.K. Application for approval testing

1. Applications for a type-test of rate-of-turn indicators shall be submitted to a competent testing authority in one of the Member States.

The competent testing authorities shall be made known to the Committee.

2. Each application shall be accompanied by the following documents:

(a) two copies of a detailed technical description;

(b) two complete sets of installation and service documents;

(c) two copies of an operator's manual.

3. By means of tests, the applicant shall establish or have it established that the radar equipment meets the minimum requirements of these provisions.

The results of the test and the measurement reports shall be attached to the application.

These documents and the information obtained during testing shall be kept by the competent testing authority.

4. For approval testing purposes, ‘applicant’ means any legal or natural person under whose name, trademark or any other form of identification the equipment submitted for testing is manufactured or marketed.

Article 1.05 U.K. Type-approval

1. If the equipment passes the type test, the competent testing authority shall issue a certificate of conformity.

If the equipment fails to meet the minimum requirements, the applicant shall be notified in writing of the reasons for its rejection.

Approval shall be granted by the competent authority.

The competent authority shall inform the Committee of the equipment it has approved.

2. Each testing authority shall be entitled to select equipment from the production series at any time for inspection.

If this inspection reveals defects in the equipment, type-approval may be withdrawn.

The type-approval shall be withdrawn by the authority that issued it.

3. The type-approval shall be valid for a period of 10 years and may be renewed on request.

Article 1.06 U.K. Marking of the equipment and approval number

1. Each component of the equipment shall be marked indelibly with the name of the manufacturer, the trade designation of the equipment, the type of equipment and the serial number.

2. The approval number assigned by the competent authority shall be affixed indelibly to the control unit in such a way that it remains clearly visible after the equipment has been installed.

Composition of an approval number:

e-NN-NNN

(e

=

European Union

NN

=

code for the country of approval, where

1

=

Germany

2

=

France

3

=

Italy

4

=

Netherlands

5

=

Sweden

6

=

Belgium

7

=

Hungary

8

=

Czech Republic

9

=

Spain

11

=

United Kingdom

12

=

Austria

13

=

Luxembourg

17

=

Finland

18

=

Denmark

20

=

Poland

21

=

Portugal

23

=

Greece

24

=

Ireland

26

=

Slovenia

27

=

Slovakia

29

=

Estonia

32

=

Latvia

36

=

Lithuania

49

=

Cyprus

50

=

Malta

NNN

=

three-digit number, to be determined by the competent authority).

3. The approval number shall be used only in conjunction with the associated approval.

It shall be the responsibility of the applicant to produce and affix the approval number.

4. The competent authority shall immediately inform the Committee of the approval number assigned.

Article 1.07 U.K. Manufacturer's declaration

Each unit of equipment shall be accompanied by a manufacturer's declaration to the effect that it meets the prevailing minimum requirements and that is identical in every respect to the equipment submitted for testing.

Article 1.08 U.K. Modifications to approved equipment

1. Any modification made to equipment already approved shall cause the type-approval to be withdrawn.

Whenever modifications are planned, details shall be sent in writing to the competent testing authority.

2. The competent testing authority shall decide whether the approval still applies or whether an inspection or new type-test is necessary. If a new approval is granted, a new approval number shall be assigned.

CHAPTER 2 U.K. GENERAL MINIMUM REQUIREMENTS FOR RATE-OF-TURN INDICATORS

Article 2.01 U.K. Construction, design

1. Rate-of-turn indicators shall be suitable for operation on board inland waterway vessels.

2. The construction and design of the equipment shall be in accordance with the state of the art, both mechanically and electrically.

3. In the absence of any specific provision in Annex II to this Directive or in these provisions, the requirements and test methods contained in IEC publication 945 ‘Marine Navigational Equipment General Requirements’ shall apply to power supply, safety, mutual interference of shipborne equipment, compass safe distance, resistance to climatic influences, mechanical strength, environmental influences, audible noise emission and equipment markings.

Additionally, the equipment shall satisfy all requirements of these provisions at ambient temperatures between 0 and 40 °C.

Article 2.02 U.K. Spurious emissions and electromagnetic compatibility

1. In the frequency range of 30 to 2000 MHz, the field strength of spurious emissions shall not exceed 500 μV/m.

In the frequency ranges of 156 to 165 MHz, 450 to 470 MHz and 1,53 to 1,544 GHz the field strength shall not exceed a value of 15 μV/m. These field strengths shall apply at a test distance of 3 metres from the equipment under test.

2. The equipment shall satisfy the minimum requirements at electromagnetic field strengths of up to 15 V/m in the immediate vicinity of the equipment under test in the frequency range of 30 to 2 000 MHz.

Article 2.03 U.K. Operation

1. The equipment shall not have more controls than are necessary for its correct operation.

The design, markings and manipulation of the controls shall be such as to permit their simple, unambiguous and fast operation. Their arrangement shall be such as to prevent operating mistakes as far as possible.

Controls not necessary for normal operation shall not be immediately accessible.

2. All controls and indicators shall be provided with symbols and/or markings in English. Symbols shall meet the requirements contained in IEC publication No 417.

All numerals and letters shall be at least 4 mm high. If it can be demonstrated that, for technical reasons, numerals and letters 4 mm high are not possible and if for the purposes of operation smaller numerals and letters are acceptable, a reduction to 3 mm shall be allowed.

3. The equipment shall be designed in such a way that operating mistakes cannot cause its failure.

4. Any functions over and above the minimum requirements, such as facilities for connection to other equipment, shall be provided in such a way that the equipment meets the minimum requirements under all conditions.

Article 2.04 U.K. Operating instructions

A detailed operator's manual shall be supplied with each unit. It shall be available in Dutch, English, French and German and shall contain at least the following information:

(a)

activation and operation;

(b)

maintenance and servicing;

(c)

general safety instructions.

Article 2.05 U.K. Installation and operating tests

1. Installation, replacement and operating tests shall be in accordance with the requirements of Part V.

2. The direction of installation in relation to the keel line shall be indicated on the rate-of-turn indicator's sensor unit. Installation instructions to ensure maximum insensitivity to other normal movements of the vessel shall be provided.

CHAPTER 3 U.K. MINIMUM OPERATIONAL REQUIREMENTS FOR RATE-OF-TURN INDICATORS

Article 3.01 U.K. Operational readiness of the rate-of-turn indicator

1. From a cold start, the rate-of-turn indicator shall be fully operational within four minutes and shall operate to within the required accuracy tolerances.

2. A warning signal shall indicate that the indicator is switched on. It shall be possible to observe and operate the rate-of-turn indicator simultaneously.

3. Cordless remote controls shall not be permitted.

Article 3.02 U.K. Indication of the rate of turn

1. The rate of turn shall be indicated on a linear graduated scale having the zero point situated in the middle. It shall be possible to read the direction and extent of the rate of turn with the necessary accuracy. Needle indicators and bar-graphs shall be permitted.

2. The indicator scale shall be at least 20 cm long and may be circular or rectilinear.

Rectilinear scales may be arranged horizontally only.

3. Solely digital indicators shall not be permitted.

Article 3.03 U.K. Measuring ranges

Rate-of-turn indicators may be provided with one or more measuring ranges. The following measuring ranges are recommended:

• 30°/minute

• 60°/minute

• 90°/minute

• 180°/minute

• 300°/minute.

Article 3.04 U.K. Accuracy of the indicated rate of turn

The indicated rate of turn shall not differ by more than 2 % from the measurable maximum value or by more than 10 % from the actual value, whichever is the greater (see Appendix).

Article 3.05 U.K. Sensitivity

The operating threshold shall be less than or equal to a change in angular speed equivalent to l % of the indicated value.

Article 3.06 U.K. Monitoring of operation

1. If the rate-of-turn indicator does not operate within the required accuracy range, this shall be indicated.

2. If a gyroscope is used, any critical fall in the rate of rotation of the gyroscope shall be signalled by an indicator. A critical fall in the rate of rotation of the gyroscope is one which lowers accuracy by 10 %.

Article 3.07 U.K. Insensitivity to other normal movements of the vessel

1. Rolling of the vessel of up to 10° at a rate of turn of up to 4° per second shall not give rise to measurement errors in excess of the stipulated tolerances.

2. Impacts such as those that may occur during berthing shall not give rise to measurement errors in excess of the stipulated tolerances.

Article 3.08 U.K. Insensitivity to magnetic fields

The rate-of-turn indicator shall be insensitive to magnetic fields which typically occur on board the vessel.

Article 3.09 U.K. Slave indicators

Slave indicators shall comply with all requirements applicable to rate-of-turn indicators.

CHAPTER 4 U.K. MINIMUM TECHNICAL REQUIREMENTS FOR RATE-OF-TURN INDICATORS

Article 4.01 U.K. Operation

1. All controls shall be so arranged that during their operation no information is concealed from view and radar navigation remains unimpaired.

2. All controls and indicators shall be provided with a dazzle-free source of lighting appropriate for all ambient lighting conditions and adjustable down to zero by means of an independent control.

3. Adjustment of controls shall be such that movements to the right or upwards have a positive effect on the variable and movements to the left or downwards a negative effect.

4. If push-buttons are used, it shall be possible to locate and operate them by touch. They shall also have clearly perceptible contact release.

Article 4.02 U.K. Damping devices

1. The sensor system shall be damped for critical values. The damping constant (63 % of the limit value) shall not exceed 0,4 seconds.

2. The indicator shall be damped for critical values.

Controls for increasing damping shall be permitted.

Under no circumstances may the damping constant exceed five seconds.

Article 4.03 U.K. Connection of additional equipment

1. If the rate-of-turn indicator can be connected to slave indicators or similar equipment, the rate-of-turn indication shall remain usable as an electric signal.

The rate of turn shall continue to be indicated with galvanic earth insulation and the equivalent to an analogue voltage of 20 mV/degree ± 5 % and a maximum internal resistance of 100 ohms.

Polarity shall be positive when the vessel is turning to starboard and negative when it is turning to port.

The operating threshold shall not exceed 0,3°/minute.

Zero error shall not exceed 1°/minute at temperatures from 0 to 40°C.

With the indicator switched on and the sensor not exposed to the effects of movement, the spurious voltage at the output signal measured with a 10 Hz pass-band low-pass filter shall not exceed 10 mV.

The rate-of-turn signal shall be received without additional damping beyond the limits referred to in Article 4.02(1).

2. An external alarm switch shall be provided. The switch shall be installed as a galvanic insulation break-switch for the indicator.

The external alarm shall be triggered by contact closure:

(a) if the rate-of-turn indicator is disconnected; or

(b) if the rate-of-turn indicator is not in operation; or

(c) if the operating control has reacted following an excessive error (Article 3.06).

CHAPTER 5 U.K. TEST CONDITIONS AND PROCEDURES FOR RATE-OF-TURN INDICATORS

Article 5.01 U.K. Safety, load capacity and interference diffusion

Power supply, safety, mutual interference of shipborne equipment, compass safe distance, resistance to climatic influences, mechanical strength, environmental impact and audible noise emission shall be tested in accordance with IEC publication 945 ‘Marine Navigational Equipment General Requirements’.

Article 5.02 U.K. Spurious emissions and electromagnetic compatibility

1. Spurious emissions shall be measured in accordance with IEC publication 945 ‘Marine Navigational Equipment Interference’ in the frequency range of 30 to 2 000 MHz.

The requirements of Article 2.02(1) shall be met.

2. The electromagnetic compatibility requirements of Article 2.02(2) shall be met.

Article 5.03 U.K. Test procedure

1. Rate-of-turn indicators shall be brought into operation and tested under nominal and boundary conditions. In this regard, the influence of the operating voltage and of the ambient temperature shall be tested as far as the prescribed limit value.

In addition, radio transmitters shall be used to set up the maximum magnetic fields in the vicinity of the indicators.

2. Under the conditions described in paragraph 1, indicator errors shall remain within the tolerances indicated in the Appendix.

All other requirements shall be met.

Appendix Maximum tolerances for indication errors of rate-of-turn indicators