# N90AK: Cassell Robert W MONSTER CUB

- Status: Valid registration
- Airframe: [Cassell Robert W MONSTER CUB](https://openairdocs.org/model/cassell-robert-w-monster-cub) (registry code 05639AT, 3 seats)
- Serial number: 001
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Certificate issued: April 27, 2020
- Expires: April 30, 2030
- Mode S code: AC6CDD
- Registered owner: [Cassell Robert W](https://openairdocs.org/faa-owner/CASSELL%20ROBERT%20W)
- Location: [Wasilla, AK](https://openairdocs.org/faa-place/AK/Wasilla)
- Owner type: Individual
- Owner's area on the map: 61.4405° N, 149.9371° W: Placed by OpenAirDocs at the center of ZIP code 99623, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=90AK
- Page: https://openairdocs.org/aircraft/N90AK

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Cassell Robert W MONSTER CUB)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N90AK.

## FAA accident and incident reports

None matched to N90AK.

## Reports on N90AK not matched to an aircraft (3)

They name N90AK, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 20060529009789I](https://openairdocs.org/incident/20060529009789I), May 29, 2006: Dhav DHC2MK1 (N90AK), Juneau, AK, Minor damage. (-23) On 5/29/2006, approx 1935 adt, a DHC-2 seaplane, N90AK, sustained minor damage when, during takeoff and while on the step, the aircraft began to yaw left…
- [Incident 20020715017899I](https://openairdocs.org/incident/20020715017899I), Jul 15, 2002: Dhav DHC2MK1 (N90AK), Juneau, AK, Minor damage. (-23) Cleared for takeoff west, winds light and variable. Aircraft did not become airborne for unknown reasons and pilot aborted takeoff. Aircraft hit rocks at…
- [Incident 19950331013699I](https://openairdocs.org/incident/19950331013699I), Mar 31, 1995: Dhav DHC2MK1 (N90AK), Elfin Cove, AK, Minor damage. Coming off step on water landing. Veered to left. Left float collided with rocks on shore.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Cassell Robert W MONSTER CUB aircraft: https://openairdocs.org/model/cassell-robert-w-monster-cub/aircraft.md

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