Is AD 98-08-21 a recurring Airworthiness Directive?

No — AD 98-08-21 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 98-08-21 apply to?

AD 98-08-21 applies to Socata. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 98-08-21

one-time

Official AD 98-08-21 · FR doc 98-10057 · 1998-04-17 · airframe

Airworthiness Directives; SOCATA-Groupe AEROSPATIALE Models TB10 and TB200 Airplanes

What this AD requires

This amendment adopts a new airworthiness directive (AD) that applies to certain SOCATA-Groupe AEROSPATIALE (Socata) Models TB10 and TB200 airplanes. This AD requires inspecting the wing rear attachment fittings for cracks, replacing any cracked fitting, and incorporating wing rear attachment fitting reinforcement kits. This AD is the result of mandatory continued airworthiness information (MCAI) issued by the airworthiness authority for France. The actions specified by this AD are intended to prevent structural failure of the wing rear attachment fittings caused by cracks in this area, which could result in the wing separating from the airplane if the airplane is operated with cracked wing rear attachment fittings over an extended period of time.

Which aircraft AD 98-08-21 applies to

MakesSocata

Part-conditional — OPT10 920300, OPT10 920500.

Specific model not stated in provided applicability text (SB number '10-082-57' and kit prefix 'OPT10' may correspond to a Socata TB10-family airplane per typical numbering conventions, not independently confirmed). Compliance measured in landings (hours TIS x1.5 if landings unknown). Upon accumulating 3,000 landings on each wing rear attachment fitting (2 per wing, 4 total) or within next 75 landings after effective date, whichever later, inspect fittings for cracks per Socata SB No. SB 10-082-57 Amdt 1 (April 1996). If cracked on wing side: replace fitting and install reinforcement kit OPT10 920300 (Technical Instruction OPT10 9203-57). If cracked on fuselage side: install kits OPT10 920500 (Technical Instruction OPT10 9205-57) and OPT10 920300 (OPT10 9203-57). If not cracked: install kit OPT10 920300. Prevents structural failure of wing rear attachment fittings that could result in wing separation.

Whether AD 98-08-21 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.

How AD compliance is recorded

A valid compliance record (14 CFR 43.9) states:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.

Date — When the work was done.

Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.

Signature & certificate — The A&P/IA who returned it to service, with certificate number.

Is AD 98-08-21 complied with on your aircraft?

Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.

Look up a tail number →Read the full directive (Federal Register)

Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.