3. Measurement of approach, departure and ramp angles
3.1. The approach angle shall be measured in accordance with paragraph 6.10 of international standard ISO 612:1978. 3.2. The departure angle shall be measured in accordance with paragraph 6.11 of international standard ISO 612:1978. 3.3. The ramp angle shall be measured in accordance with paragraph 6.9 of international standard ISO 612:1978. 3.4. When measuring the departure angle rear underrun protection devices which are adjustable in height may be set in the upper position. 3.5. The prescription in point 3.4 shall not be construed as an obligation for the base vehicle to be fitted with a rear underrun protection as original equipment. However, the base vehicle manufacturer shall inform the next stage manufacturer that the vehicle has to comply with the requirements on departure angle when fitted with a rear underrun protection.
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Source: EUR-Lex (Cellar) · retrieved 2026-10-12 · Text as adopted (Official Journal); later amendments are not incorporated in this text.