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Sirs Master Compass Radiant Model 1686Rev

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Part# 10-04816
MFR Model# 1686REV


An accurate and sensitive instrument, capable of measuring small angular variations. This hand held NATO coded compass 6605-99-460-5338 is manufactured by SIRS and used in a wide range of applications. The compass is manufacture mostly from non-magnetic brass and liquid filled to provide card damping over a wide temperature range. A large high quality prism is used to magnify the card reading and accurate headings are taken through the prism sight line, a sight wire located above the compass card and the object being observed.

Typical uses include taking aircraft headings during a 'compass swing' procedure paticularly for small to medium sized aircraft. A special reverse-read version (1686REV ) is available to indicate the same headings as those read from the aircraft instruments during the compass swing operation, when viewing from the front of the aircraft. The compass is supplied with an impact resistant ABS stowage box and a calibration certificate. Subsequent calibrations can be performed by SIRS with a quick turn-round to ensure minimal loss of operation.
California Prop 65 Warning Symbol

WARNING: The product may contain and/or expose you to a chemical(s) or substance(s) which are known to the State of California to cause cancer and/or birth defects or other reproductive harm.


  • Compact Modern and Low Weight Technology
  • Accurate and Simple Magnetic Correction
  • Silicone Card Damping
  • High Visibility Card
  • 3 year warranty
  • Optional NVG Illumination


  • Warranty: 3 years
  • Dial Markings: Degrees
  • Accuracy: Better than 30 Minutes
  • Tilt: 15 Degrees
  • Friction: < 0.25 degrees
  • Operating Temp Range: +70C to -32C
  • Weight: 900g


Finally we recieved the item,since we put the order from december i guess,but overall i get the best price compare with the other,will keep shopping at aircraftspurce for sure. thank you

Smart C
September 15, 2019


Please note, Pilotshop'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. Pilotshop 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.

Q: Does the compass P/N 10-04816 comes with a fresh calibration certificate?

Yes, this Sirs master compass radiant model 1686REV includes the calibration cert.