<< >> NASA ASRS Report 1478681, August 2017

Gulfstream III first officer reported a dual engine flameout at night at cruise altitude with total loss of electrical power; restart was accomplished at 13;000 feet; no avionics and a divert field landing.

Attributes
ACN	1478681
Time
Date	201708
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.ARTCC
State Reference	US
Environment
Flight Conditions	Mixed
Light	Night
Aircraft 1
Make Model Name	Gulfstream III (G1159A)
Operating Under FAR Part	Part 91
Flight Phase	Cruise
Route In Use	Direct
Flight Plan	IFR
Component
Aircraft Component	Turbine Engine
Person 1
Function	First Officer
Qualification	Flight Crew Commercial Flight Crew Multiengine
Events
Anomaly	Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy Inflight Event / Encounter Weather / Turbulence

Narrative:

We were at our cruising altitude of FL450. We were experiencing turbulence then we had dual engine flameouts with total lose of electrical power. We immediately notified center and requested a descent and vectors to the nearest airport for landing. We executed the emergency procedures as prescribed in the operating handbook (checklist) we were initially able to restore electrical power but it failed again shortly after. Below 13000 we were able to restart the engines but never gained avionics. We proceeded to then land.

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Original NASA ASRS Text

Title: Gulfstream III First Officer reported a dual engine flameout at night at cruise altitude with total loss of electrical power; restart was accomplished at 13;000 feet; no avionics and a divert field landing.

Narrative: We were at our cruising altitude of FL450. we were experiencing turbulence then we had dual engine flameouts with total lose of electrical power. We immediately notified Center and requested a descent and vectors to the nearest airport for landing. We executed the emergency procedures as prescribed in the operating handbook (checklist) we were initially able to restore electrical power but it failed again shortly after. Below 13000 we were able to restart the engines but never gained avionics. We proceeded to then land.

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.