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Part# 11-16273
MFR Model# 153010-000039


Note: This unit must ship to an approved Appareo installer for installation.
Click here to locate an installer.

The Stratus ES is a 1090 MHz extended squitter (ES) transponder. Designed with the common 1.65″ tall form factor, its an easy replacement for your existing transponder. Stratus ES is a solid state transmitter that provides 310 watts nominal power output. Its modern keypad makes entering a squawk code easy. The convenient VFR button minimizes pilot keystrokes.

The Stratus ES was built without GPS in order to provide affordable ADS-B Out to aircraft owners who have already invested in WAAS GPS. Stratus ES will make an aircraft rule-compliant when paired with any of the following navigators for 2020 compliance:
  • Garmin 430W, 530W, 650, 750
  • Avidyne IFD440, IFD540


  • 1090ES (Mode S extended squitter)
  • Meets global mandates for ADS-B Out
  • Push-button operation
  • Easy-to-use interface
  • Pressure altitude monitor


  • Bezel Height: 1.69 in. (43 mm)
  • Bezel Width: 6.38 in. (162 mm)
  • Depth: 10.75 in. (273 mm) front of panel to connector backshell
  • Weight: 3.29 lbs. (1.49 kg) including rack and connectors
  • Operating Temperature: -20C to 55C
  • Storage Temperature: -55C to 85C
  • Power Input: 9.0 to 36.0 VDC, 15 W typical
  • Cooling Input: No fan required
  • Environmental Compliance: DO-160G
  • Software Compliance: DO-178B Level C
  • Hardware Compliance: DO-254 Level C
  • Display: OLED
  • Transmitter Power: 310 W

Approved Model List

  • 172, 172A, 172B, 172C, 172D, 172E, 172F, 172G, 172H, 172I, 172K, 172L, 172M, 172N, 172P, 172Q, 172R and 172S
  • PA-16, PA-16S
  • PA-25, PA-25-235, PA-25-260
  • PA-28R-180, PA-28R-200, PA-28R-201, PA-28R-201T, PA-28RT-201, PA-28RT-201T, PA-28S-160, PA-28S-180, PA-28R-180, PA-28R-200, PA-28R-201, PA-28R-201T, PA-28RT-201, PA-28RT-201T, PA-28S-160, PA-28S-180
  • PA-38-112
  • PA-30, PA-39, PA-40
  • M20, M20A, M20B, M20C, M20D, M20E, M20F, M20G, M20J, M20K, M20L, M20M, M20R, M20S, M20TN, M20U, M20V
  • SR20, SR22, SR22T
  • DA20-A1, DA20-C1
  • DA 40, DA 40 F, DA 40 NG
    AeroSedan (Aeronca)
  • 15AC, S15AC

Want to install Stratus ES/ESG, but dont see your airplane on our STC list?Not to worry! Even while Appareo is building their STC AML, youll have no trouble getting Stratus ES/ESG installed in your Part 23 aircraft, based on their lead STC.

The FAA created a policy to make it simple to use the lead STC to install ADS-B Out equipment on additional Part 23 air frames. (Part 23 includes most general aviation aircraft). This policy was designed to keep ADS-B installs moving smoothly and make things easier for your installer.
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I am very happy with my stratus transponder it works great . I wired it myself and received the faa $500 rebate. I have had no problems being seen by atc in my various travels in my exsperimental Cozy IV. I really enjoy being adsb compliant.

Steve H
June 24, 2018


Q: Can this Appareo Stratus ES transponder pair with Garmin 400W for WAAS position? I have a 400w installed with a Narco at50 that I would replace.

Per Appareo, Yes, the Stratus ES can be used with the Garmin 400W.

Q: Can the Appareo Stratus ES pair with the Garmin 400W. In the Q and A the answer to this question was yes and no. Which is it.

Yes, the Stratus ES can be used with the GNS 400W.

Q: Can this Appareo Stratus ES transponder be paired with the KLN-90B?

No, the KLN-90B is not an FAA approved WAAS GPS source, so it will not work with this transponder.

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