<< >> NASA ASRS Report 338139, June 1996

Flight crew of an light transport turboprop made a missed approach after the landing gear failed to extend during an instrument approach in IMC. The landing gear was subsequently extended manually and an uneventful landing made.

Attributes
ACN	338139
Time
Date	199606
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : stl
State Reference	MO
Altitude	msl bound lower : 2400 msl bound upper : 2400
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : stl tower : psp
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 135
Flight Phase	descent : approach
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
ASRS Report	338139
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : overcame equipment problem other other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

On the ILS runway 12R to st louis, the captain called for 'gear down, flap 20 degrees, before landing checklist.' immediately noticing that the gear did not come down, we made the decision to discontinue the approach and work our problem. After going through the appropriate checklist, we called maintenance for further assistance. The decision was made to go ahead and lower the gear manually. Again after completing the appropriate checklist the manual gear extension was successful, with 3 green down and locked, also a visual of the nose gear. Notification was given both to the controllers and the emergency equipment. After an uneventful landing and taxi, the aircraft was taken to maintenance. I felt that all action during this event were proper and handled with efficiency.

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Original NASA ASRS Text

Title: FLC OF AN LTT TURBOPROP MADE A MISSED APCH AFTER THE LNDG GEAR FAILED TO EXTEND DURING AN INST APCH IN IMC. THE LNDG GEAR WAS SUBSEQUENTLY EXTENDED MANUALLY AND AN UNEVENTFUL LNDG MADE.

Narrative: ON THE ILS RWY 12R TO ST LOUIS, THE CAPT CALLED FOR 'GEAR DOWN, FLAP 20 DEGS, BEFORE LNDG CHKLIST.' IMMEDIATELY NOTICING THAT THE GEAR DID NOT COME DOWN, WE MADE THE DECISION TO DISCONTINUE THE APCH AND WORK OUR PROB. AFTER GOING THROUGH THE APPROPRIATE CHKLIST, WE CALLED MAINT FOR FURTHER ASSISTANCE. THE DECISION WAS MADE TO GO AHEAD AND LOWER THE GEAR MANUALLY. AGAIN AFTER COMPLETING THE APPROPRIATE CHKLIST THE MANUAL GEAR EXTENSION WAS SUCCESSFUL, WITH 3 GREEN DOWN AND LOCKED, ALSO A VISUAL OF THE NOSE GEAR. NOTIFICATION WAS GIVEN BOTH TO THE CTLRS AND THE EMER EQUIP. AFTER AN UNEVENTFUL LNDG AND TAXI, THE ACFT WAS TAKEN TO MAINT. I FELT THAT ALL ACTION DURING THIS EVENT WERE PROPER AND HANDLED WITH EFFICIENCY.

Data retrieved from NASA's ASRS site as of July 2007 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.