Aircraft Spruce Canada
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Corona, CA | Peachtree City, GA
Chicago, IL | Wasilla, AK
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Trans-Cal Altitude Encoder Model SSD120-30N FAA TSO
Overview
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The world's smallest and lightest altitude encoder. There are two versions of this model:
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Features
- The best warranty in the business: 42-month manufacturer direct replacement. If your Trans-Cal encoder experiences a warranty-covered failure, it'll be replaced with a brand new unit with a new 42-month warranty.
- Average MTBF: 9.7+ years. That’s right, Trans-Cal encoders are among the most reliable on the market, commonly providing reliable service for over 10 years.
- Pin for pin replacement for most other manufacturers' encoders.
- Comes with Mating Connectors, Cable Clamps, and Mounting Bracket.
- Optional: Available with two independent RS232 serial data ports selectable message protocols for most popular avionics interfaces. Programmable for 100’ and 10’ resolutions. See Part# 11-06983
- Optional: Available with adapter plates that will allow the installer to mount the unit in another manufacturer's mounting tray.
Specifications
- Size: 2.5"W x 3.42"H x 1.38"L.
- Operating temperature: -20ºc to +70ºc
- Operating altitude: -1000' to +30,000'(Available in altitudes from 30,000’ up to 100,000’)
- Accuracy: +50' from -1000' to +30,000’
- Weight: 5.9 oz.
- Will operate on either 14 or 28 VCD at 0.270 Amps.
- No Warm-up time: +20ºc to +70ºc -20ºc to +20ºc 30 seconds
- *The Narco AT-50 and earlier transponder models require a modification before thay will function correctly with any altitude encoder. This modification is outlined in Narco Service Bulletin AT-50A-5.
Reviews
Standard part. I tend to prefer trans-cal
Verified Purchase
Trans-Cal Altimeter Encoder 30K SSD120-30N
Verified Purchase
Trans-Cal Altimeter Encoder 30K SSD120-30N
Product good but shipping to high as usual
Verified Purchase
Trans-Cal Altimeter Encoder 30K SSD120-30N
Verified Purchase
Trans-Cal Altimeter Encoder 30K SSD120-30N
Replaced an AK350 that was inop. With the adapter plate it was a perfect fit and a true plug and play as the cable going to the AK350 just plugged in pin for pin with no problems.
Drop in replacement for my AK-350s. No wiring or mounting changes required (with the additional mounting plates). After turning the avionics on there was no warm up time and the altitude grey code was spot on for pressure altitude right out of the box.
Altitude reporting was spot on right out of the box. A direct wiring replacement from the old Ameri-King AK-350. Very pleased.
Replaced an inoperative America-King AK-350 with the Trans-Cal SSD 120-30N. It was a perfect fit with the addition of the optional adapter plate. The 15 pin plug was wired for direct replacement with the AK-350.
Excellent certified replacement for Narco AR-850. Mounts in Narco tray without modifications. Provided plastic plug for optional static port had to be replaced with a metal plug to seal properly. Calibration was very easy.
Q&A
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Yes, part number 11-09916 is a Narco compatible encoder.
Yes, the SSD120-30N is compatible with the Narco AT-165 transponder.
Yes, the KT-76A is listed on the installation manual.
This unit outputs gray code.
Yes, you can use this with the Stratus ESG. We can do a 12 inch harness, please contact Avionics sales for price and lead time.
Yes, it is.
Yes, it is.
Yes, this can be used in certified aircraft.
Yes, these two units are compatible.
No, neither of those units are listed as acceptable units to interconnect.
