- Registered owner
- 7ac Aviation LLC
- Location
- Fort Worth, TX
- Owner type
- LLC
- Serial number
- 17251817
- Year built
- 1964
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal, utility
- Airworthiness date
- July 18, 1964
- Certificate issued
- September 21, 2021
- Expires
- September 30, 2028
- Mode S code
- A1B834
From the FAA registry file of October 22, 2026. The registry lists only the engine series, so ADs for every Continental 0-300 model are included below.
On this page
Airworthiness directives that may apply · 45
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1968 | 2 |
|---|---|
| 1969 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 2 |
| 1977 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1987 | 2 |
| 1988 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1993 | 3 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 3 |
| 1997 | 1 |
| 1998 | 4 |
| 2000 | 2 |
| 2002 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
See all 51 ADs
Information bulletins that may apply · 12
Advisory, not mandatory.
Airframe · Cessna 172E
SAIB SW-18-31Navigation, Attitude, and Direction Data SystemSAIB CE-18-23Passenger Compartment Equipment - Installation of F. Atlee Dodge Aircraft Services LLC. Folding Jump SeatsSAIB CE-17-25ELEVATOR TORQUE TUBE Inspections for cracks and corrosion in elevator torque tubesSAIB CE-12-14Three Alternative Methods of Compliance for AD 2011-10-09SAIB CE-10-40R1Aircraft Fuel System; water contamination of fuel tank systems on Cessna single engine airplanesSAIB CE-09-42Lights - Landing Light, Beacon Light and Taxi Light Switch ApplicationsSAIB CE-09-10Availability of Secondary Seat Stops for Pilot and Copilot SeatsSAIB CE-09-01Equipment - EmergencySAIB CE-01-41R2Flight ControlsNTSB investigations
No NTSB investigations matched to N21LSMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Cessna 172E aircraft
FAA incident reports
No FAA accident or incident reports matched to N21LSMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Cessna 172E aircraft
Service difficulty reports
No reports matched to N21LSGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Cessna 172E aircraft
STCs that may be installed · 532
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Cessna 172E
STC SA01233SEFabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assemblySTC SA02539AKInstallation of a Continental Aerospace Technologies IO-370CLC1U8 and Hartzell Model HC-C2YR-1N/NG8301,-3, -7 PropellerSTC SA01800SEFabrication and installation of new or replacement of existing instrument panel lights dimmer control.
Earlier aircraft with this N-number · 1
This aircraft carried N21LS before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.