# AD 83-14-07 R3: Limitations Section -- CG Limit - Type: Airworthiness directive - Status: Current - Products: Aerostar PA-60-600 (Aerostar 600), PA-60-601 (Aerostar 601), PA-60-601P (Aerostar 601P) and PA-60-602P (Aerostar 602P) - Effective: November 25, 1983 - Superseded by: Nothing supersedes this AD - Product type: Aircraft, Small airplane - Amendment: 39-4759 - Registered aircraft: 40 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/287DF3AA66B66AFB862569AF00766B66.0001 - DRS record last changed: May 30, 2024 - Page: https://openairdocs.org/ad/83-14-07-R3 ## The airworthiness directive 83-14-07 R3 PIPER (AEROSTAR): Amendment 39-4686 as amended by Amendment 39-4720 and 39-4725 is further amended by Amendment 39-4759. Applies to Models PA-60-600 (Aerostar 600) (all S/Ns), PA-60-601 (Aerostar 601) (all S/Ns), PA-60-601P (Aerostar 601P) (all S/Ns) and PA-60-602P (Aerostar 602P) (all S/Ns), airplanes certificated in any category. Compliance: Required within the next 25 hours time-in-service after the effective date of this AD, unless already accomplished. To assure airplane controllability during power on stalls, accomplish the following: a) Revise the Limitations Section of the applicable Airplane Flight Manual (AFM) or Pilot's Operating Handbook (POH) now installed in the airplane by changing the aft CG limit to 166.0 inches in those manuals not now incorporating this limit and insert the phrase "Use of Flaps Prohibited for All Operations" at the beginning of the Normal Operations Section and the performance data. 1) Fabricate and install a placard using .10-inch-minimum height characters in full view of the pilot which reads as follows: "USE OF FLAPS PROHIBITED FOR ALL OPERATIONS. TAKEOFF AND LANDING DISTANCES WILL BE INCREASED WITHOUT FLAPS. REFER TO THE APPLICABLE AFM OR POH FOR PERFORMANCE INFORMATION AND APPROACH SPEEDS." Operate the airplane in accordance with this limitation, or b) Revise the aft CG limit in the Limitation Section of the applicable Airplane Flight Manual (AFM) or Pilot's Operating Handbook (POH) by obliterating or marking over all existing aft CG limitations numbers and inserting 163.0 inches, or c) Install Piper Kit 764 969V. This kit includes FAA approved AFM/POH Supplement for applicable airplane models. NOTE: Piper Kit 764 969V is not applicable on aircraft with aerodynamic and/or power increase modification(s), or d) Modify the airplane in accordance with Supplemental Type Certificate (STC) SA980NM (Machen, Inc., Superstar II) or e) Modify the airplane in accordance with STC SA2143NM (Machen, Inc., Stall Improvement Kit) alone or in combination with STC SA1658NM (Machen, Inc., Superstar I). f) Paragraph a) of the AD may be accomplished by the holder of a pilot certificate issued under Part 61 of the Federal Aviation Regulations on any airplane owned or operated by him. The person accomplishing the AD must make the appropriate aircraft maintenance record entry as prescribed by FAR 91.173. g) An equivalent method of compliance with this AD may be used, if approved by the Manager, Atlanta Aircraft Certification Office, 1075 Inner Loop Road, College Park, Georgia 30337. Amendment 39-4686 became effective on July 26, 1983. Amendment 39-4720 became effective on August 31, 1983. Amendment 39-4725 became effective on September 28, 1983. This Amendment 39-4759 becomes effective on November 25, 1983. ## Affected data sheets (1) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS A17WE](https://openairdocs.org/tcds/A17WE): Aerostar Aircraft Corporation; names 4 of 5 models: PA-60-601P (Aerostar 601P), PA-60-601 (Aerostar 601), PA-60-602P (Aerostar 602P), PA-60-600 (Aerostar 600) ## Registered aircraft it may apply to (OpenAirDocs) Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment. - Aircraft: 40 (40 by airframe model, 0 by engine model) - Makers: Piper 40 Models with the most aircraft: - [Piper PA-60-602P](https://openairdocs.org/model/piper-pa-60-602p): 31 aircraft (airframe model) - [Piper PA-60-601P](https://openairdocs.org/model/piper-pa-60-601p): 9 aircraft (airframe model) All 2 models: https://openairdocs.org/ad/83-14-07-R3/models.md Every aircraft: https://openairdocs.org/ad/83-14-07-R3/aircraft.md ## Related documents - [STC SA1658NM](https://openairdocs.org/stc/SA1658NM): Installation of engines and propellers with options of intercooler and maximum takeoff weight increase.. Machen Inc, Cited in the text - [STC SA2143NM](https://openairdocs.org/stc/SA2143NM): Installation of Vortex generators, fairings, rudder seals, stall strips, and strakes.. Machen Inc, Cited in the text --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.