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Public Record · As of May 5, 2026

N2121T

Gulfstream American AA-5B View Type →

Status

Registration Valid

Type

Fixed Wing Single Engine

Engine

LYCOMING O&VO-360 SER

Last Cert Issue

—

Aircraft Resources

Manufacturer · True Flight Aerospace (Tiger) → Engine · Lycoming Engines → TCDS A16EA (True Flight Holdings LLC) → Type Club · American Yankee Association → Owner Forum · Grumman Pilots →

01 /  Registration

Filed with the Federal Aviation Administration

Every cell below is a literal field from the FAA Aircraft Registry. Click any value to open the FAA registry record for N2121T.

Tail Number

N2121T

Serial Number

AA5B-1031

Make

GULFSTREAM AMERICAN

Model

AA-5B

Year of Manufacture

—

Mfr / Model Code

3970106

Type Aircraft

Fixed Wing Single Engine

Type Engine

Reciprocating

Engines

1

Seats

4

Engine Manufacturer

LYCOMING

Engine Model

O&VO-360 SER

Horsepower

180 hp

Weight Class

CLASS 1

Certification

Standard (+1 flag) · code 1N

Registrant

SIEBOLS JOHAN · Individual

Address

205 HOLLY SPRING DR · FRIENDSWOOD, TX 77546-4630

FAA Region

2 · County 167

Status

Registration Valid

Airworthiness Date

—

Cert Issue Date

—

Expiration Date

—

Last FAA Action

—

Mode S Hex (ICAO24)

A1C37D

Mode S (Octal)

50341575

Live position via ICAO24 A1C37D

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External services. Live tracks are unaffiliated with TallyAero or the FAA.

02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to GULFSTREAM AMERICAN AA-5B

Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.

  • Jun 7, 2005

    Airworthiness Directives; Precise Flight, Inc. Models SVS I and SVS IA Standby Vacuum Systems

    The FAA adopts a new airworthiness directive (AD) for all airplanes equipped with Precise Flight, Inc. (Precise Flight) Models SVS I and SVS IA standby vacuum systems (SVS) installed under certain supplemental type certificates or through field approval. This AD requires you to replace the airplane flight manual supplement (AFMS) in the airplane flight manu…

    Atlas AD 05-10864 → Federal Register ↗

  • Mar 4, 2005

    Airworthiness Directives; Precise Flight, Inc. Models SVS I and SVS IA Standby Vacuum Systems

    The FAA proposes to adopt a new airworthiness directive (AD) for all airplanes equipped with Precise Flight, Inc. (Precise Flight) Models SVS I and SVS IA standby vacuum systems (SVS) installed under certain supplemental type certificates or through field approval. This proposed AD would require you to replace the airplane flight manual supplement (AFMS) in…

    Atlas AD 05-4239 → Federal Register ↗

  • Nov 30, 1999

    Airworthiness Directives; Precise Flight, Inc. Model SVS III Standby Vacuum Systems

    This amendment adopts a new airworthiness directive (AD) that applies to all aircraft equipped with Precise Flight, Inc. Model SVS III standby vacuum systems installed in accordance with the applicable supplemental type certificate (STC) or through field approval. This AD requires incorporating revised operating limitations for the affected standby vacuum s…

    Atlas AD 99-30519 → Federal Register ↗

  • Jul 7, 1999

    Airworthiness Directives; Precise Flight, Inc. Model SVS III Standby Vacuum Systems

    This document proposes to adopt a new airworthiness directive (AD) that would apply to all U.S. owners and operators of aircraft equipped with Precise Flight, Inc. Model SVS III standby vacuum systems installed in accordance with the applicable supplemental type certificate (STC) or through field approval. The proposed AD would require incorporating revised…

    Atlas AD 99-16911 → Federal Register ↗

04 /  Service Difficulty Reports

FAA SDR filings

The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →

05 /  Related

More on Gulfstream American AA-5B in the Atlas

Gulfstream American AA-5B type page → — 216 registered · 4 ADs · 53 NTSB records

Other Gulfstream American AA-5B aircraft

N105NA N123ES N144RL N148RR N1520 N15NB N1673K N16PX

Recent NTSB events · this type

Search the full US registry → · All airworthiness directives → · Accident & safety surface →

06 /  Sources & Methodology

Every fact on this page links to its primary US-government source

We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.