The PS 550 is a Control Unit for use with the MST 67A Enhanced Mode S Transponder. It contains all controls required for transponder operation including TEST, STANDBY, ON (transponder), ALTITUDE and IDENT. The PS 550 will also display the selected 4096 ATC code and current mode of operation in the display window.
Version 071-01619-0201 has a gray face an NVG (night vision goggle) display and ON/OFF switch. Compatible with dual transponder operation.
- Mode push button sequentially selects the ATC, FL mode, FID and ADC
- FID mode allows entry of the eight digit alphanumeric flight ID code
- ADC mode allows selection of the air data computer used
- ID push button initiates the IDENT feature for ATC
- XPDR activates Mode S transponder with altitude reporting
- ALT OFF activates the selected transponder without altitude reporting
- Compatible with the Collins TDR-94D transponder
- Lamps can be powered by 5VAC, 5VDC, or 28V dimming source
- Microprocessor based
Product Codes | |
|---|---|
| Mfr Part No: | 071-01619-0201 |
| SCHEDULE B CODE: | 8537-10.9060 |
Dimensions: 2.375 x 2.625 x 5.375 inPower Requirements: 28 VDC @ 7 WTemperature: -20°C to +70°CTSO: C112, C119b
- Stock: Warehouse
- Manufacturer Part #: 071-01619-0201
Aircraft Fitment Finder
Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
