Inspection

• Is the ALDIS lamp ready for immediate use?
• Is the lamp able to be operated by both power from ship main and rechargeable battery?
• Is the reflective panel free of cracks?
• Are there three (3) spare bulbs available?
• Is the battery kept charged?
• Is the date of battery replacement recorded / marked?
• Is the battery voltage being checked at regular intervals?
• Is the lamb clearly marked with manufacturer ID, model, serial number, voltage and power consumption? 

Common Poor Practices

• The ALDIS lamp was not ready for immediate use.
• Only two spare bulbs were available.
• The battery was not charged.
• The reflective panel had signs of crack.
• Power outlets located in bridge wings found out of order.
• Power outlet's cup found frozen.
  

References

ICS, Bridge Procedure Guide

IMO, International Convention for the Safety Of Life At Sea (SOLAS)

IMO, Performance Standards for Daylight Signaling Lamps. Resolution MSC.95(72) Available at:  https://wwwcdn.imo.org/localresources/en/KnowledgeCentre/IndexofIMOResolutions/MSCResolutions/MSC.95(72).pdf