The ED 551A Electronic Display unit functions as a Horizontal Situation Indicator (HSI), Attitude Director Indicator (ADI) or Multi Function Display (MFD) used with the EFS-50 system. When the ED 551A is used as an ADI an inclinometer is mounted on the front panel. The high resolution CRT displays converted X-Y axis deflection signals as well as red, green, and blue video signals from the SG-465.
Version 066-03137-3200 is a black EDU with 28VDC lighting and HIRF/lightning protection.
- Display Unit used in EFS-50 system
- Panel-Mounted
- Receives information from aircraft attitude, navigation, guidance, and weather radar system sources
- 5" x 5" color CRT electronic display
- Converts X/Y axis deflections signals & red-green-blue video signals form the Symbol Generator
- May be used as an EHSI, EADI or MFD
- When used as an EADI, an inclinometer is mounted on the front panel
- Weather radar can also be displayed on either the EHSI or MFD
- Unit has no front panel controls, typically used with the CP-467 control panel
- Display receives power directly from the aircraft, does not draw current from the Symbol Generator
- Contains an internal fan blower
- An airflow sensor within the display unit will generate a fault indication on the display unit if insufficient airflow is detected
Product Codes | |
|---|---|
| Mfr Part No: | 066-03137-3200 |
| SCHEDULE B CODE: | 9014.20.6000 |
| TSO: | C113 |
Weight: 9 lbDimensions: 9.26 x 5.27 x 4.92 in.Power requirement: 27.5 VDC @ 2 amps maxTemperature: -40ºC to 55ºCAltitude: 55,000 ft. max
- Stock: Warehouse
- Manufacturer Part #: 066-03137-3200
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.
