Light twin lands with nose wheel partially extended.

Attributes
ACN	137476
Time
Date	199002
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : bjc
State Reference	CO
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air taxi
Make Model Name	Small Aircraft, Low Wing, 2 Eng, Retractable Gear
Flight Phase	landing other
Flight Plan	None
Person 1
Affiliation	Other
Function	instruction : instructor oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 35 flight time total : 8000 flight time type : 250
ASRS Report	137476
Person 2
Affiliation	Other
Function	instruction : trainee
Qualification	pilot : private
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa other other : unspecified
Resolutory Action	flight crew : declared emergency other
Consequence	other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

After taking off from the broomfield jefferson county airport, the student retracted the gear. I heard a loud thump and become suspicious. We turned down wind and I tried to cycle the gear down, but did not get a green light. We requested a low pass so the tower could check the gear. They were not sure the gear was down, so we left the pattern and went to the practice area. We went through the operators manual and tried all the procedures. Then we called our FBO to have one of the mechanics check the gear on another fly-by. The mechanic said the gear was not locked down, so we went back out to the practice area and gave the tower time to get everything ready for our landing. We came back to the airport and made a normal approach. When we had the runway made, we shut down both engines and landed with the nose wheel partially retracted. No one was hurt and there was no fire.

Original NASA ASRS Text

Title: LIGHT TWIN LANDS WITH NOSE WHEEL PARTIALLY EXTENDED.

Narrative: AFTER TAKING OFF FROM THE BROOMFIELD JEFFERSON COUNTY ARPT, THE STUDENT RETRACTED THE GEAR. I HEARD A LOUD THUMP AND BECOME SUSPICIOUS. WE TURNED DOWN WIND AND I TRIED TO CYCLE THE GEAR DOWN, BUT DID NOT GET A GREEN LIGHT. WE REQUESTED A LOW PASS SO THE TWR COULD CHK THE GEAR. THEY WERE NOT SURE THE GEAR WAS DOWN, SO WE LEFT THE PATTERN AND WENT TO THE PRACTICE AREA. WE WENT THROUGH THE OPERATORS MANUAL AND TRIED ALL THE PROCS. THEN WE CALLED OUR FBO TO HAVE ONE OF THE MECHS CHK THE GEAR ON ANOTHER FLY-BY. THE MECH SAID THE GEAR WAS NOT LOCKED DOWN, SO WE WENT BACK OUT TO THE PRACTICE AREA AND GAVE THE TWR TIME TO GET EVERYTHING READY FOR OUR LNDG. WE CAME BACK TO THE ARPT AND MADE A NORMAL APCH. WHEN WE HAD THE RWY MADE, WE SHUT DOWN BOTH ENGS AND LANDED WITH THE NOSE WHEEL PARTIALLY RETRACTED. NO ONE WAS HURT AND THERE WAS NO FIRE.

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.