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Regular business hours will resume on Monday, November 30th. AOG Services are available.

Part #: SSD120-65A

Model: SSD12065A

Trans-Cal - Altitude Encoder (65K ft.)
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PLEASE NOTE: This item has been superseded by SSD120-65N

  • All solid state electronic device which when connected to an aircraft static and electrical system, converts pressure altitude information into parallel and serial digital data.
  • 18 month warranty
  • Price Includes: quick release mounting tray, static line fittings, mating connector, calibration decals. owners manual with transponder pinouts. (Wiring harness optional)
  • Available in various operating altitude ranges corresponding with individual model numbers.


Dimensions: 4.55" L x 2.20" H x 4.30" W Weight: 17 oz.
Operating Voltage: +9 to 30 VDC Operating Current: 0.1 Amps
Operating Temperature: -20 to +70C Storage Temperature: -65 to +85C (non-operating)
Accuracy: -1000 to +42000 feet= +/-50 feet Accuracy: +42100 to maximum altitude= +/-75 feet

DOWNLOADS Click Here to download the Trans-Cal product matrix.

Part Number Operating Altitude:
SSD120-30A -1000 to +30000 feet
SSD120-35A -1000 to +35000 feet
SSD120-42A -1000 to +42000 feet
SSD120-50A -1000 to +50000 feet
SSD120-62A -1000 to +62000 feet
SSD120-65A -1000 to +65000 feet
SSD120-80A -1000 to +80000 feet
SSD120-100A -1000 to +100000 feet


- Altitude Encoder (65K ft.)
Price Condition Status