Yes he is a pilot, and he owns a '92 Mooney Ovation:

Name: : BLOOMBERG, MICHAEL RUBENS
Airman's Address : 17 E 79TH ST
NEW YORK, NY, 10021-0101
FAA Region : Eastern
Date of Medical : May, 2005
Class of Medical : 3
Expiration of Class 3 : May, 2007
Airman Certificates : Private Pilot
Airplane Single and Multi Engine Land
Rotorcraft Helicopter
Instrument Airplane

Jon Kraus
'79 Mooney 201
4443H @ UMP


Dan Luke wrote:
"Ron Snipes" wrote:


Mayor Bloomburg handled it professionally, and stated that an airplane of
that size would not have a flight data recorder.


Bloomberg was impressive. Calm and surprisingly knowledgable about
aviation,

Is he a pilot?