<< >> NASA ASRS Report 377207, August 1997

An AC12 aircraft making a normal approach with gear handle in the extended position. The aircraft landed with the landing gear retracted.

Attributes
ACN	377207
Time
Date	199708
Day	Wed
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : i68
State Reference	OH
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : instructional
Make Model Name	Aero Commander 112
Operating Under FAR Part	Part 91
Flight Phase	landing other
Flight Plan	None
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : cfi pilot : commercial
Experience	flight time last 90 days : 100 flight time total : 360 flight time type : 3
ASRS Report	377207
Person 2
Affiliation	Other
Function	other personnel
Qualification	other other : other
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : unable
Consequence	other Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	Pilot Deviation

Narrative:

I was in cruise and called for an airport advisory. I got confirmation on 2 traffic and began to slow the phone down (AC-12 commander). Once below vlc I put the gear down (handle). I looked for the traffic and I began a straight-in approach. I added flaps and continued the descent with the traffic in sight. I pulled power to idle at about 30 ft AGL and continued with the flare and landing. There was no indication (horn or gear unsafe light) that there was any problem prior to the aircraft settling to the runway. My failure was in not verifying the gear. Callback conversation with reporter revealed the following information: the reporter stated all landing gear position indicating lights were working and no unsafe light illuminated and no warning horn. The reporter said after maintenance jacked the aircraft and checked the landing gear it was discovered the warning horn had failed in addition to other components not specified.

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Original NASA ASRS Text

Title: AN AC12 ACFT MAKING A NORMAL APCH WITH GEAR HANDLE IN THE EXTENDED POS. THE ACFT LANDED WITH THE LNDG GEAR RETRACTED.

Narrative: I WAS IN CRUISE AND CALLED FOR AN ARPT ADVISORY. I GOT CONFIRMATION ON 2 TFC AND BEGAN TO SLOW THE PHONE DOWN (AC-12 COMMANDER). ONCE BELOW VLC I PUT THE GEAR DOWN (HANDLE). I LOOKED FOR THE TFC AND I BEGAN A STRAIGHT-IN APCH. I ADDED FLAPS AND CONTINUED THE DSCNT WITH THE TFC IN SIGHT. I PULLED PWR TO IDLE AT ABOUT 30 FT AGL AND CONTINUED WITH THE FLARE AND LNDG. THERE WAS NO INDICATION (HORN OR GEAR UNSAFE LIGHT) THAT THERE WAS ANY PROB PRIOR TO THE ACFT SETTLING TO THE RWY. MY FAILURE WAS IN NOT VERIFYING THE GEAR. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED ALL LNDG GEAR POS INDICATING LIGHTS WERE WORKING AND NO UNSAFE LIGHT ILLUMINATED AND NO WARNING HORN. THE RPTR SAID AFTER MAINT JACKED THE ACFT AND CHKED THE LNDG GEAR IT WAS DISCOVERED THE WARNING HORN HAD FAILED IN ADDITION TO OTHER COMPONENTS NOT SPECIFIED.

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.