Trans-Cal Industries Trans-Cal SSD120-30N Solid State Altitude

Description

Trans-Cal Industries Trans-Cal SSD120-30N Solid State Altitude — $245.

Specs

• Make / Model: Trans-Cal Industries Trans-Cal SSD120-30N Solid State Altitude
• Condition: New
• Location: Goleta, CA

Summary

NOTES: trans cal ssd120-30n, altitude encoder, mode c encoder, gray code digitizer, tso c88a, ads-b encoder, garmin gtx compatible, narco king transponder encoder, cessna piper beech mooney avionics spare.

Description

Trans-Cal SSD120-30N Solid State Altitude Encoder / Digitizer 30K TSO-C88a Gray Code NEW UNOPENED BOX

Trans-Cal SSD120-30N Solid State Altitude Encoder This is a brand new, unopened, never-used unit still sealed in its original factory packaging from Trans-Cal Industries. Complete with all original warning labels intact. One of the most reliable and compact Mode C altitude encoders on the market — ideal for transponder upgrades, ADS-B Out compliance, panel restorations, or as a spare.

Key Specifications • Model: SSD120-30N (standard parallel output version) • Altitude Range: -1,000 ft to +30,000 ft • Output Format: Parallel ICAO Gray Code (Mode C compatible) • Operating Voltage: 12-30 VDC (compatible with 14V and 28V systems) • Certification: FAA TSO-C88a approved, EASA ETSO-C88a approved • Serial Number: N27494 • Weight: Approximately 5.1 oz (ultra-lightweight design) • Manufacturer: Trans-Cal Industries, Inc. (Made in USA since 1971)

Important Factory Compatibility Warnings (Printed on Box) This unit is the standard -30N version — read carefully:

NOT compatible with Narco AT-5A, AT-6A, AT-50, or AT-50A transponders. For these models, order the SSD120-(XX)N version with Mod 1 and complete Narco Service Bulletin AT-50-A.

Known (easily corrected) compatibility issues with King KT-73 and S-Tec (Collins) TR950 — refer to the manual for instructions.

NOT compatible with King KT-75.

Plug-and-play compatible with most modern transponders including Garmin GTX series, Bendix/King KT-76C/78/79/97A, Narco AT-150/155/165, and many others.

Verified Compatible Aircraft This encoder is widely used as OEM or aftermarket replacement in general aviation.

What's Included

SSD120-30N Altitude Encoder (brand new, unopened)

Original factory box with all original labels and warnings

Professional installation and certification by a qualified avionics shop or A&P/IA is required. Always verify compatibility with your specific transponder model and aircraft maintenance manual or Illustrated Parts Catalog (IPC) before installation.

Fast shipping — double-boxed for safe delivery. Questions? Message me — quick responses.

NOTES: trans cal ssd120-30n, altitude encoder, mode c encoder, gray code digitizer, tso c88a, ads-b encoder, garmin gtx compatible, narco king transponder encoder, cessna piper beech mooney avionics spare

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