2 ADs indexed for Kollsman aircraft.
Airworthiness Directives; KOLLSMAN INSTRUMENT COMPANY: Applies to Altitude Reporting Altimeters
Unsafe Condition: The possibility of altimeter failure or incorrect altitude information
Why matched: Airworthiness Directives; KOLLSMAN INSTRUMENT COMPANY: Applies to Altitude Reporting Altimeters
Airworthiness Directives; KOLLSMAN: Applies to Kollsman Type A4086910021, A4186910028 and A4186910029 Altimeters
Unsafe Condition: The altimeters may generate a false signal due to an unspecified source.
Why matched: Airworthiness Directives; KOLLSMAN: Applies to Kollsman Type A4086910021, A4186910028 and A4186910029 Altimeters