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Air carrier captain reported experiencing extreme fatigue and missed radio calls during a late night into early morning flight.
| Attributes | |
| ACN | 1683984 |
| Time | |
| Date | 201909 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | EIDW.Airport |
| State Reference | FO |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Large Transport Low Wing 2 Turbojet Eng |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 139 Flight Crew Total 18200 Flight Crew Type 8778 |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy Inflight Event / Encounter Other / Unknown |
Narrative:
I began my day at XA00 local as a short call reserve. At approximately XB00 crew scheduling called and assigned a XE00 departure from ZZZ to eidw. About 4 hours into the flight; or about XI00 body-clock time; I felt extremely fatigued and struggled to remain awake for the next 3 hours of the flight. The first officer admitted to also feeling very fatigued. On arrival into eidw I missed several radio calls and was generally not alert. This flight is unaugmented and departs every night from ZZZ at XE00. This flight and the ZZZ - ZZZ1 flight; also unaugmented and departing at XE30; are routinely in open time because no one wants to fly them because of the fatigue factors involved. They are therefore almost always flown by reserves; many of whom are called out; as I was; from short call status. I think this practice of flying late night flights that impinges on the wocl (window of circadian low); unaugmented; in an international theater is unsafe and should not be allowed for safety reasons.
Original NASA ASRS Text
Title: Air carrier Captain reported experiencing extreme fatigue and missed radio calls during a late night into early morning flight.
Narrative: I began my day at XA00 local as a short call reserve. At approximately XB00 Crew Scheduling called and assigned a XE00 departure from ZZZ to EIDW. About 4 hours into the flight; or about XI00 body-clock time; I felt extremely fatigued and struggled to remain awake for the next 3 hours of the flight. The First Officer admitted to also feeling very fatigued. On arrival into EIDW I missed several radio calls and was generally not alert. This flight is unaugmented and departs every night from ZZZ at XE00. This flight and the ZZZ - ZZZ1 flight; also unaugmented and departing at XE30; are routinely in open time because no one wants to fly them because of the fatigue factors involved. They are therefore almost always flown by reserves; many of whom are called out; as I was; from short call status. I think this practice of flying late night flights that impinges on the WOCL (Window of Circadian Low); unaugmented; in an international theater is unsafe and should not be allowed for safety reasons.
Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.