Narrative:

Normal preflight; taxi; takeoff from ZZZ. On gear retraction; I heard a loud clunk sound. Returning to the airport; I could not get a nose gear down and locked indication. I ran through the checklist -- no help. Tried positive G and manual gear extension -- no help. I flew a low approach and the tower confirmed that the nose gear appeared only partially extended. I declared an emergency; went through the poh again and then landed. The nose gear collapsed or provided no support during the landing. No injuries or other property damage. Damage to the nose; nose gear and both propellers. The most distracting thing was opening the passenger door before landing as suggested by the poh; way more disrupting than I expected.

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Original NASA ASRS Text

Title: A C310 LANDED WITH THE NOSE GEAR PARTIALLY EXTENDED FOLLOWING A TKOF WITH AN UNUSUAL NOISE UPON GEAR RETRACTION. AN EMER WAS DECLARED.

Narrative: NORMAL PREFLT; TAXI; TKOF FROM ZZZ. ON GEAR RETRACTION; I HEARD A LOUD CLUNK SOUND. RETURNING TO THE ARPT; I COULD NOT GET A NOSE GEAR DOWN AND LOCKED INDICATION. I RAN THROUGH THE CHKLIST -- NO HELP. TRIED POSITIVE G AND MANUAL GEAR EXTENSION -- NO HELP. I FLEW A LOW APCH AND THE TWR CONFIRMED THAT THE NOSE GEAR APPEARED ONLY PARTIALLY EXTENDED. I DECLARED AN EMER; WENT THROUGH THE POH AGAIN AND THEN LANDED. THE NOSE GEAR COLLAPSED OR PROVIDED NO SUPPORT DURING THE LNDG. NO INJURIES OR OTHER PROPERTY DAMAGE. DAMAGE TO THE NOSE; NOSE GEAR AND BOTH PROPS. THE MOST DISTRACTING THING WAS OPENING THE PAX DOOR BEFORE LNDG AS SUGGESTED BY THE POH; WAY MORE DISRUPTING THAN I EXPECTED.

Data retrieved from NASA's ASRS site as of January 2009 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.