AMC 21.A.608 Declaration of Design and Performance    

CAA ORS9 Decision No. 1

STANDARD FORM

DDP No. ………………………………………………………………

ISSUE No.    ……………………………………………………….

1. Name and address of manufacturer.

2. Description and identification of article including:

Type No

Modification Standard

Master drawing record

Weight and overall dimensions

3. Specification reference, i.e., UKTSO No. and Manufacturer’s design specification.

4. The rated performance of the article directly or by reference to other documents.

5. Particulars of approvals held for the equipment.

6. Reference to qualification test report.

7. Service and Instruction Manual reference number.

8. Statement of compliance with the appropriate UKTSO and any deviations therefrom.

9. A statement of the level of compliance with the UKTSO in respect of the ability of the article to withstand various ambient conditions or to exhibit various properties.

The following are examples of information to be given under this heading depending on the nature of the article and the specifications of the UKTSO.

(a) Environmental Qualification

    i. Temperature and Altitude

    ii. Temperature Variation

    iii. Humidity

    iv. Operational Shocks and Crash Safety

    v. Vibration

    vi. Explosion Proofness

    vii. Waterproofness

    viii. Fluids Susceptibility

    ix. Sand and Dust

    x. Fungus Resistance

    xi. Salt Spray

    xii. Magnetic Effect

    xiii. Power Input

    xiv. Voltage Spike

    xv. Audio Frequency Conducted Susceptibility - Power Inputs

    xvi. Induced Signal Susceptibility

    xvii. Radio Frequency Susceptibility (Radiated and Conducted)

    xviii. Emission of Radio Frequency Energy

    xix. Lightning Induced Transient Susceptibility

    xx. Lightning Direct Effects

    xxi. Icing

    xxii. Electrostatic Discharge

    xxiii. Fire, Flammability

    (Note: The manufacturer should list environmental categories for each of the sections of the issue of EUROCAE ED-14/RTCA DO-160 that was used to qualify the article.)

(b) For radio transmitters the transmitting frequency band, maximum transmitting power, and emission designator.

(c) Working and ultimate pressure or loads.

(d) Time rating (e.g., continuous, intermittent) or duty cycle.

(e) Limits of accuracy of measuring instruments.

(f) Any other known limitations which may limit the application in the aircraft e.g., restrictions in mounting attitude.

10. A statement of the software level(s) used or ‘None’ if not applicable.

(Note: Software levels (software development assurance levels (DAL)) are those defined in the industry document referred in the latest edition of AMC 20-115)

11. A statement of design assurance level for complex hardware or a statement indicating whether complex hardware is embedded or not in the product.

(Note: Complex hardware design assurance levels are those defined in the applicable issue of EUROCAE ED–80/RTCA DO-254.)

12. The declaration in this document is made under the authority of

13.

…………………………………………………………………………………………..(name of manufacturer)

(Manufacturer’s name) cannot accept responsibility for equipment used outside the limiting conditions stated above without their agreement.

 

Date: ………….Signed…    (Manufacturer’s authorised representative)