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Altitude Encoder/42K, dual RS232 outputs. Includes: Quick release mounting tray, 4 harness, static line, installation manual, 3 year guarantee, gray, code output to 42,000 feet. A-30.9

Altitude Encoder/42K, dual RS232 outputs. Includes: Quick release mounting tray, 4 harness, static line, installation manual, 3 year guarantee, gray, code output to 42,000 feet. A-30.9
Altitude Encoder/42K, dual RS232 outputs. Includes: Quick release mounting tray, 4 harness, static line, installation manual, 3 year guarantee, gray, code output to 42,000 feet. A-30.9
ALTITUDE ENCODER/42K, dual RS232 outputs. Includes: Quick release mounting tray, 4 harness, static line, installation manual, 3 year guarantee, gray, code output to 42,000 feet. A-30.9
A30 Altitude Encoder | Two RS 232 Outputs
The A-30 encoders work with all modern mode A/C and mode S transponders. The mod 9 configuration reports to 42,000 feet and provides both parallel grey codes and two RS 232 outputs which are jumper selectable in the most popular formats. The RS 232 altitude reporting is jumper selectable in 10 or 100 foot increments. It is plug compatible with all earlier mod 1 through 4, and mod 8 encoders with serial numbers 2,400 through 120,499.

This A-30.9 encoder (mod 9) kit includes a quick release mounting tray, 4 color coded foot harness with prewired jack, static line fittings, installation manual.

  • Provides ADS-B RS 232 attitude data
  • (2) RS 232 outputs
  • 10 ft resolution
  • Gray code to 42,000 ft

Product Codes

Mfr Part No:A-30.9
ECCN:7A994
PROAPP:PT0880NM
SCHEDULE B CODE:9014.20.6000
TSO:C88a


Weight:  5.1 oz (144 grams)  Dimensions:  6 x 2.65 x 1.3 in  Range:  MOD 5: –950 to 30,750 ft MOD 9: –950 to 42,000 ftAccuracy:  ±20 ft, typical ±50 ft, maximumOperating voltage:  10 VDC to 32 VDC Operating current:  160 mA, typicalOperating temp:  -4°F to 131°F (-20°C to 55°C)Warm-up current draw: 14 VDC @ 160 mA 28 VDC @ 220 mAWarm-up time:  70°F ambient 60 seconds  0°F ambient 210 seconds RS 232 10 ft or 100 ftAltitude resolution:  Gray code (parallel) output 100 ftApprovals:  FAA TSO C-88a German LBA 10.221/4   

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  • Stock: Warehouse
  • Manufacturer Part #: A-30.9
$326.65

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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.

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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.

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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.

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