EXHIBIT 99

Tel-Instrument Electronics Corp States No Material Events

    CARLSTADT, N.J.--(BUSINESS WIRE)--April 21, 2004--Tel-Instrument
Electronics Corp today stated that it is unaware of any reason for the
recent activity in its stock price and trading volume. The Company
does not know of any material information not previously disclosed.
    Tel-Instrument is a leading designer and manufacturer of avionics
test and measurement solutions for the global commercial air
transport, general aviation, and government/military aerospace and
defense markets. Tel-Instrument provides instruments to test, measure,
calibrate, and repair a wide range of airborne navigation and
communication equipment. For further information please visit our
website at www.telinstrument.com.
    Newly acquired Innerspace Technology, Inc.
(www.innerspacetechnology.com), a division of the Company, designs,
manufactures and distributes a variety of shipboard and underwater
instruments to support hydrographers, oceanographers, researchers,
engineers, geophysicists, and surveyors worldwide.
    The Company's stock is traded in the American Stock Exchange under
the symbol TIK.

    CONTACT: Tel-Instrument Electronics Corp
             Joseph P. Macaluso, 201-933-1600