# Callahan Robert R R W EXEC 90

- Type: Aircraft model (FAA registry)
- Registry code: 13017NK
- Manufacturer (registry): CALLAHAN ROBERT R
- Model: R W EXEC 90
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Reciprocating
- Seats: 2
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/callahan-robert-r-r-w-exec-90

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft

None registered with this model now.

## NTSB investigations (2)

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 IAD05CA092](https://openairdocs.org/ntsb/IAD05CA092), Jul 4, 2005: Callahan Rotorway Exec 90 (N4359N), Weston, WV, destroyed. Probable cause: A loss of engine power for undetermined reasons during an attempted power recovery. A factor in the accident was the pilot's failure to maintain rotor rpm, which resulted in a hard landing and…
- [NTSB MIA99LA186](https://openairdocs.org/ntsb/MIA99LA186), Jun 21, 1999: Robert R. Callahan Exec 90 (N4359N), Lutz, FL, substantial damage. Probable cause: The excessive cyclic input by the non-qualified passenger during the autorotative landing following a reported loss of engine power. A factor in the accident was the inadequate preflight of the…

## FAA accident and incident reports (2)

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 20050704018839A](https://openairdocs.org/incident/20050704018839A), Jul 4, 2005: Amtr EXEC90 (N4359N), Weston, WV, Destroyed. (-23) The student pilot was performing power recovery autorotation maneuvers and had accomplished several successful maneuvers on the day of the accident. At…
- [Accident 19990621007399A](https://openairdocs.org/incident/19990621007399A), Jun 21, 1999: Amtr EXEC90 (N4359N), Tampa, FL, Substantial damage. Experimental rw exec 90 helicopter experienced engine failure at 300 feet AGL, and the pilot auto-rotated the acft to the ground, other circumstances are…

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.