- Registered owner
- Harbor Air LLC
- Location
- Sitka, AK
- Owner type
- LLC
- Serial number
- 18504058
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- April 11, 1980
- Certificate issued
- December 20, 2021
- Expires
- December 31, 2028
- Mode S code
- A8B086
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 25
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1974 | 1 |
|---|---|
| 1975 | 2 |
| 1976 | 1 |
| 1977 | 1 |
| 1979 | 1 |
| 1980 | 1 |
| 1981 | 1 |
| 1983 | 2 |
| 1986 | 1 |
| 1987 | 2 |
| 1988 | 1 |
| 1990 | 1 |
| 1997 | 1 |
| 1998 | 2 |
| 2000 | 2 |
| 2005 | 1 |
| 2009 | 1 |
| 2011 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2023 | 2 |
See all 27 ADs
Information bulletins that may apply · 7
Advisory, not mandatory.
Airframe · Cessna A185F
SAIB 2025-07Reciprocating Engine SuperchargerSAIB AIR-21-16FLIGHT COMPARTMENT EQUIPMENT, Cessna Seat Back Attachment Bolt InspectionSAIB 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-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-09-10Availability of Secondary Seat Stops for Pilot and Copilot SeatsNTSB investigations
No NTSB investigations matched to N6590EMatched 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 A185F aircraft
FAA incident reports · 2
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Service difficulty reports · 4
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR H0VC2015121501Hydraulic Line · chafedONE OF THE 5052-O-4 HYD LINES IN THE LT FLOAT WAS ROUTED BEHIND A FIBERGLASS STRUCTURE. A HOLE WAS WORN INTO THE LINE WHERE IT HAS RESTED AGAINST THE STRUCTURE. THE RESULTING LOSS OF HYD FLUID CAUSED THE MLG TO FREE FALL FROM THE RETRACTED POSITION. THE NLGSDR 2013F00177Engine · shutdownAPPROXIMATELY 15 MINUTES AFTER DROPPING OFF PASSENGERS, EXPERIENCED A TOTAL ENGINE SHUTDOWN. AFTER SAFELY LANDING, USED ELECTRIC FUEL PUMP TO RESTART ENGINE. WITH A SUCCESSFUL START, RESUMED TRIP. AGAIN ABOUT 15 MINUTES LATER, EXPERIANCED TOTAL ENGINE SSDR 2005FA0001498Encoder · failedFOLLOWING INSTALLATION OF A NEW GNS480, DURING INITIAL POWER CHECKS, FOUND THE FOLLOWING FAILURE FLAGS DISPLAYED: COM COMUNICATION FAILURE, NAV COMMUNICATION FAILURE, ALTITUDE ENCODER COMMUNICATION FAILURE. INSTALLATION OF ANOTHER UNIT RESOLVED THE PROBLEMS. SDR 2004FA0000074Line · cracked12/19/03 AIRCRAFT ENCOUNTERED UNEXPECTED TURBULENT AIR, POSSIBLE WINDSHEAR. THE FORCES ACTING ON THE AIRFRAME CAUSED THIS 3.88 INCH HYDRAULIC LINE TO FRACTURE. THE LINE CONNECTS TO A BULKHEAD ON ONE END AND TO A TEE ON THE OTHER. FROM THE TEE, IT CONNECTS TO A
STCs that may be installed · 488
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Cessna A185F
STC SA02571SEInstallation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).STC SA01800SEFabrication and installation of new or replacement of existing instrument panel lights dimmer control.STC SA01861SEFabrication and installation of Landing Light Controller
Earlier aircraft with this N-number · 1
This aircraft carried N6590E before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.