The SY5.960.035 wire recording cassette is a replaceable recording medium designed for use with the P-503B onboard wire voice recorder.

The cassette contains a steel wire recording medium and is used for magnetic recording of crew communications, radio transmissions, and time code signals during flight. Recording is performed in continuous loop mode, ensuring preservation of the latest recorded information.

The cassette is an integral consumable component of the P-503B system and is installed directly into the recording unit (UZ P-503B). It is supplied as part of the recorder delivery set or as a separate spare item for replacement during operation, maintenance, or overhaul.

Alternative designations: SY5.960.035, Wire Cassette P-503B, Cassette P-503B, Кассета П-503Б — all refer to the same product type.

Product Type: Wire recording cassette
Part Number: SY5.960.035
Recording Medium: Steel wire, diameter 0.05 mm, type 5.4
Application: Voice and time signal recording
Compatible Equipment: P-503B onboard wire voice recorder
Installed In: Recording Unit UZ P-503B
Recording Mode: Continuous loop recording
Recording Duration: Not less than 9 hours
Operating Conditions: In accordance with P-503B system requirements
Supply Condition: New or serviceable storage condition
Technical Documentation: According to recorder passport

All shipments are carried out from our international warehouse in Dubai (UAE), as well as from our partners’ remote warehouses.

In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.

Remote Stock — items available at our partners’ remote warehouses are supplied within an average of 30–45 business days after receiving 100% prepayment.

Pre-Order — made-to-order products are manufactured and delivered within an average of 45–60 business days. Payment terms: 50% advance payment to start production, with the remaining 50% paid before dispatch from the Dubai warehouse after full readiness for shipment.

Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.

Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.