Airworthiness directives › 2020-05-12
AD 2020-05-12 Airworthiness Directives; Gulfstream Aerospace Corporation Airplanes
Models named: GVII-G500, GVII-G600. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Gulfstream Aerospace Corporation Model GVII-G500 and GVII-G600 airplanes, certificated in any category, all serial numbers.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For Model GVII-G500 airplanes: Within 5 days after the effective date of this AD, revise the airplane flight manual (AFM) for your airplane to incorporate the information specified in paragraphs (g)(1) through (9) of this AD. (1) Step 3. “Wind Conditions” of Section 01-02-10, “Runway, Slope and Wind Conditions,” of Chapter 01, “LIMITATIONS,” of the Gulfstream GVII-G500 Airplane Flight Manual, GAC-AC-GVII-G500-OPS-0001, Revision 5, dated March 3, 2020. (2) Step 15. “Approach Speed” of Section 01-03-40, “Airspeed Limitations,” of Chapter 01, “LIMITATIONS,” of the Gulfstream GVII-G500 Airplane Flight Manual, GAC-AC-GVII-G500-OPS-0001, Revision 5, dated March 3, 2020. (3) Section 01-27-10, “Normal Control Laws,” of Chapter 01, “LIMITATIONS,” of the Gulfstream GVII-G500 Airplane Flight Manual, GAC-AC-GVII-G500-OPS-0001, Revision 5, dated March 3, 2020. (4) Step 5. of Section 01-34-40, “Takeoff and Landing Data (TOLD),” of Chapter 01, “LIMITATIONS,” of the Gulfstream GVII-G500 Airplane Flight Manual, GAC-AC-GVII-G500-OPS-0001, Revision 5, dated March 3, 2020. (5) “WARNING,” preceding Step 4., of Section 02-05-50, “Landing,” of Chapter 02, “NORMAL OPERATIONS,” of the Gulfstream GVII-G500 Airplane Flight Manual, GAC-AC-GVII-G500-OPS-0001, Revision 5, dated March 3, 2020. (6) Step 11. “Landing,” of Section 03-12-10, “Zero Flaps or Partial Flaps Landings,” of Chapter 03, “ABNORMAL PROCEDURES,” of the Gulfstream GVII-G500 Airplane Flight Manual, GAC-AC-GVII-G500-OPS-0001, Revision 5, dated March 3, 2020. (7) Step 8. “Final Approach Fix,” of Section 04-08-40, “One Engine Inoperative Landing Procedure,” of Chapter 04, “EMERGENCY PROCEDURES,” of the Gulfstream GVII-G500 Airplane Flight Manual, GAC-AC-GVII-G500-OPS-0001, Revision 5, dated March 3, 2020. (8) Step 1., “Introduction,” of Section 05-11-10, “Threshold Speeds,” of Chapter 05, “PERFORMANCE FAA BASELINE,” of the Gulfstream GVII-G500 Airplane Flight Manual, GAC-AC-GVII-G500-OPS-0001, Revision 5, dated March 3, 2020. (9) Step 1., “Introduction,” of Section 5A-11-10, “Threshold Speeds,” of Chapter 5A, “PERFORMANCE (ASC 022),” of the Gulfstream GVII-G500 Airplane Flight Manual, GAC-AC-GVII-G500-OPS-0001, Revision 5, dated March 3, 2020.
Unsafe condition
This AD was prompted by report of a landing incident in which the alpha limiter engaged in the landing flare in unstable air while on the approach, resulting in a high rate of descent landing and damage to the airplane. The FAA is issuing this AD to address inappropriate alpha limiter engagement during the landing flare, which can limit pilot pitch authority during a critical phase of flight near the ground, and result in a high rate of descent landing and the possible consequent loss of control of the airplane on landing.
Affected ADs
None.
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