<< >> NASA ASRS Report 1687545, September 2019

Gulfstream 550 captain reported nose gear did not indicate down and locked; causing a go-around and a precautionary landing.

Attributes
ACN	1687545
Time
Date	201909
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Make Model Name	Gulfstream V / G500 / G550
Operating Under FAR Part	Part 91
Flight Phase	Initial Approach
Flight Plan	IFR
Component
Aircraft Component	Gear Down Lock
Person 1
Function	Captain Pilot Not Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Critical

Narrative:

When landing gear was extended the nose gear did not show a green light. A go-around was made and aircraft was vectored away from the airport while crew accomplished checklists related to gear failure to extend. An emergency gear extension was performed; and nose gear still did not show green. Other indications that the nose gear was not down and locked were present; including a report by the control tower that the nose gear appeared to be down but not locked. [We advised ATC]; and aircraft was landed successfully. After landing the gear was pinned; and aircraft was towed to the FBO.

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Original NASA ASRS Text

Title: Gulfstream 550 Captain reported nose gear did not indicate down and locked; causing a go-around and a precautionary landing.

Narrative: When landing gear was extended the nose gear did not show a green light. A go-around was made and aircraft was vectored away from the airport while crew accomplished checklists related to gear failure to extend. An emergency gear extension was performed; and nose gear still did not show green. Other indications that the nose gear was not down and locked were present; including a report by the control tower that the nose gear appeared to be down but not locked. [We advised ATC]; and aircraft was landed successfully. After landing the gear was pinned; and aircraft was towed to the FBO.

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.