N90393 is a 1995 Weatherly Aviation Co Inc 620B (fixed wing single engine) with serial number 1594, registered in Lewistown, MT. Its FAA registration is valid and runs until Apr 30, 2030; the renewal window opens on Oct 30, 2029. It is powered by a P&W R-985 SERIES rated at 450 hp. Its airworthiness certificate is in the restricted class (agriculture and pest control), issued Jun 20, 1997. It is one of 23 620B aircraft in the FAA registry, 2 of them registered in Montana. About 40% of them were built after it. The NTSB accident database lists one record for this airframe since 2008, the latest on May 30, 2025.
Registration
- FAA status
- Valid registration
- Expires
- Apr 30, 2030
- Registrant type
- LLC
- Registered owner
- SKYLINE AVIATION LLC
- Location
- Lewistown, MT
- Local FAA office (FSDO)
- Helena FSDO (HLN FSDO) · (406) 441-5240
- Certificate issued
- Apr 7, 2014
- Last FAA action
- Oct 20, 2023
- Mode S code (hex)
- AC7E00
- Mode S code (octal)
- 53077000
- Official record
- registry.faa.gov
Aircraft
- Manufacturer
- WEATHERLY AVIATION CO INC
- Model
- 620B
- Type certificate (TCDS)
- A26WE (Weatherly Aircraft Company)
- Year manufactured
- 1995
- Serial number
- 1594
- Aircraft type
- Fixed wing single engine
- Engine type
- Reciprocating
- Engine
- P&W R-985 SERIES (450 hp)
- Engines / seats
- 1 / 2
- Weight class
- Up to 12,499 lb
- Airworthiness
- Restricted since Jun 20, 1997
- Approved operations
- Agriculture and pest control
Public airports near Lewistown
| Airport | ID | Distance | Tower | Fuel |
|---|---|---|---|---|
| Lewistown Municipal Lewistown, MT | KLWT | <1 mi | Non-towered | 100, 100LL, A |
| Denton Denton, MT | 5U0 | 30 mi | Non-towered | - |
| Winifred Winifred, MT | 9S7 | 35 mi | Non-towered | 100LL, A |
Straight-line distance from the registration city, from the FAA airport directory (NASR). The registry does not say where an aircraft is based.
Earlier registrations of this number
| Canceled | Aircraft | Serial | Year | Exported to | Same airframe today |
|---|---|---|---|---|---|
| Apr 25, 1991 | SMITH AEROSTAR 600 | 600224095 | |||
| Jan 17, 1962 | GLOBE GC-1B | 407 | 1946 |
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| May 30, 2025 | Lewiston, MT | Weatherly Aviation Co Inc 620B this airframe | Substantial | None | WPR25LA165 |
From the NTSB aviation accident database (events since 2008, data through Oct 28, 2026), matched by N-number. An N-number can move between aircraft, so each row is checked against the serial number on the current registration.