# N4365E: 1991 Byler Dan W KOLB MARK III, registration cancelled 2023-04-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 1, 2023
- Status when cancelled: Sale reported, canceled
- Airframe: [Byler Dan W KOLB MARK III](https://openairdocs.org/model/byler-dan-w-kolb-mark-iii) (registry code 05618NB)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: M3086
- Year built: 1991
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 31, 1992
- Last registry action: December 20, 2021
- Mode S code: A53C74
- Location: [Steamboat Springs, CO](https://openairdocs.org/faa-place/CO/Steamboat%20Springs)
- Owner type: Individual
- Owner's area on the map: 40.5814° N, 106.8860° W: Placed by OpenAirDocs at the center of ZIP code 80487, within about 16 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4365E
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4365E
- Page: https://openairdocs.org/deregistered/N4365E-2023-04-01

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Byler Dan W KOLB MARK III: https://openairdocs.org/model/byler-dan-w-kolb-mark-iii.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN21LA425](https://openairdocs.org/ntsb/CEN21LA425), Sep 14, 2021: Kolb Mark III (N4365E), Steamboat Springs, CO, substantial damage. Probable cause: The pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20210914016529A](https://openairdocs.org/incident/20210914016529A), Sep 14, 2021: Byler Dan W KOLB MARK III (N4365E), Steamboat Sprin, CO, Substantial damage. On September 14, 2021 at approximately 05:30 am MDT, N4365E, an experimental Kolb Mark III, took of from a private grass strip. Shortly after rotation the…

## Other aircraft with N4365E

- [Cancelled 1949-05-26](https://openairdocs.org/deregistered/N4365E-1949-05-26): Aeronca 7DC, S/N 7DC24. Owner: [P T Air Service Inc](https://openairdocs.org/faa-owner/P%20T%20AIR%20SERVICE%20INC), [Hays, KS](https://openairdocs.org/faa-place/KS/Hays)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N4365E-undated): Piper PA-36-375, S/N 368302025. N-number assigned, not yet registered

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