🚨 Communication Failure
Radio Communication Failure (ICAO Doc 7030 – Eur Region)
⚠️ Expect
VMC
- Squawk 7600
- Continue in VMC
- Land at nearest suitable aerodrome
- Report arrival by the most expeditious means to the appropriate ATS unit
IMC
- Squawk 7600
- Maintain last assigned speed and level for 7 mins OR minimum flight altitude, if the minimum flight altitude is higher than the last assigned level
- The 7-minute period commences:
No compulsory reporting points OR position reports omitted:
- at the time the last assigned level or minimum flight altitude is reached, OR
- at the time of squawk 7600, whichever is LATER, OR
- at the time the last assigned level or minimum flight altitude is reached, OR
- at the previously reported pilot estimate for the compulsory reporting point, OR
- at the time of a failed report over a compulsory reporting point, whichever is LATER
- Thereafter, comply with the filed flight plan
- If being radar vectored, or proceeding offset according to RNAV without a specified limit, proceed in the most direct manner possible to rejoin the CPL no later than the next significant point
- The ACFT will proceed to the designated navigational aid serving the destination aerodrome and hold until commencement of descent
- Commence descent at, or as close as possible to, the EAT last received and acknowledged, OR if no EAT received and acknowledged, commence descent at, or as close as possible to, the ETA resulting from the CPL
- Complete a normal instrument approach procedure as specified for the designated navigation aid
- Land, if possible, within 30 minutes after the ETA specified, OR within 30 minutes of the last acknowledged expected approach time, whichever is later
📋 Remember
ASSIST Protocol:
A ‘Acknowledge’ – S ‘Separate’ – S ‘Silence’ – I ‘Inform’ – S ‘Support’ – T ‘Time’
A ‘Acknowledge’ – S ‘Separate’ – S ‘Silence’ – I ‘Inform’ – S ‘Support’ – T ‘Time’