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Airworthiness Directive

AD 2021-22-06: Time Limits/ Maintenance Checks

Airworthiness Directives; The Boeing Company Airplanes

Effective
Dec 6, 2021
Published
Nov 19, 2021
Registered aircraft
4

Models this AD may apply to

AI-extracted — verify against original

Matched from the AD's applicability section. Applicability must be confirmed by a mechanic against the aircraft's records.

Aircraft

  • Boeing 747-400F
  • Only with: Equipped with a dual non-activated GNSS unit and antenna installed in accordance with STC ST04393NY, dated September 3, 2019.
  • Only with: Equipped with a dual non-activated GNSS unit and antenna installed in accordance with STC ST04393NY, dated September 3, 2019.

Applicability

From the AD text
This AD applies to The Boeing Company Model 747-400F series airplanes, certificated in any category, equipped with a dual non-activated global navigation satellite system (GNSS) unit and antenna installed in accordance with supplemental type certificate (STC) ST04393NY, dated September 3, 2019.

Read the AD in the Federal RegisterReport an error on this page