# Cobb International ROTORWAY EXEC 90 - Type: Aircraft model (FAA registry) - Registry code: 13017LC - Manufacturer (registry): COBB INTERNATIONAL INC - Model: ROTORWAY EXEC 90 - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 1 · 4 cycle - Seats: 2 - Weight class: Up to 12,499 lb - Certification: Not type certificated - Registered aircraft: 0 - Page: https://openairdocs.org/model/cobb-international-rotorway-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 (5) 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 LAX03LA084](https://openairdocs.org/ntsb/LAX03LA084), Feb 5, 2003: Cobb International Rotorway Exec 90 (N9876D), Casa Grande, AZ, substantial damage. Probable cause: the flight instructor's failure to maintain directional control of the helicopter during the flare and landing. Factors in the accident were the failure of the secondary drive shaft and inadequate… - [NTSB LAX02LA096](https://openairdocs.org/ntsb/LAX02LA096), Feb 25, 2002: Rotorway Rotorway Exec 90 (N9876D), Phoenix, AZ, substantial damage. Probable cause: The student's inadvertent over control of the throttle mechanism, which resulted in the bending of the throttle mechanical stop and binding the linkage in the idle position. Also causal was the CFI's… - [NTSB LAX95LA081](https://openairdocs.org/ntsb/LAX95LA081), Jan 13, 1995: Rotorway Rotorway (N9876D), Chandler, AZ, substantial damage. Probable cause: the student pilot's improper use of the helicopter's flight controls and the instructor's inadequate supervision of the flight. - [NTSB LAX94LA083](https://openairdocs.org/ntsb/LAX94LA083), Dec 28, 1993: Rotorway EXEC-90 (N7456T), Scottsdale, AZ, destroyed. Probable cause: A failure of the pilot-in-command to adequately conduct a preflight inspection and properly secure a fuselage cowling panel that struck a tail rotor blade, resulting in a subsequent failure of the… - [NTSB LAX91LA387](https://openairdocs.org/ntsb/LAX91LA387), Sep 8, 1991: Rotorway Exec 90 (N7456T), Phoenix, AZ, substantial damage, 1 fatal. Probable cause: UNDETERMINED. ## FAA accident and incident reports (6) 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 20030205001939A](https://openairdocs.org/incident/20030205001939A), Feb 5, 2003: Amtr ROTORWAYEXEC (N9876D), Phoenix, AZ, Substantial damage. (.19) On February 5, 2003, at 0815 mountain standard time, a cobb rotorway exec 90, N9876D, made a hard landing after experiencing a loss of tail rotor… - [Accident 20020225003479A](https://openairdocs.org/incident/20020225003479A), Feb 25, 2002: Amtr ROTORWAYEXEC (N9876D), Phoenix, AZ, No damage. (-23) The student was demonstrating autorotations (with power recovery) to the instructor pilot. The helicopter entered the third practice autorotation at… - [Accident 19950113000589A](https://openairdocs.org/incident/19950113000589A), Jan 13, 1995: Amtr ROTORWAYEXEC (N9876D), Chandler, AZ, Substantial damage. Student improperly applied collective landing. Left skid dug in helicopter rolled over. - [Accident 19931228047329A](https://openairdocs.org/incident/19931228047329A), Dec 28, 1993: Amtr ROTORWAYEXEC (N7456T), Scottsdale, AZ, Destroyed. Just out of FAA inspection on ferry flight. Cowling came off. Damaged tail rotor. Hard forced landing. Burned. - [Accident 19920522019469A](https://openairdocs.org/incident/19920522019469A), May 22, 1992: Amtr ROTORWAYEXEC (N7456T), Glendale, AZ, Substantial damage. Practice autorotation. Engine failed respond for power recovery. Low rotor RPM. Hard impact. Failed clear engine. - [Accident 19910907038799A](https://openairdocs.org/incident/19910907038799A), Sep 7, 1991: Amtr ROTORWAYEXEC (N7456T), Phoenix, AZ, Substantial damage, 1 fatal. Stole helicopter. Buzzed boats and performed acrobatic prior diving into lake. Left suicide notes. ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Martin Joseph K ROTORWAY EXEC 90](https://openairdocs.org/model/martin-joseph-k-rotorway-exec-90): 1 registered aircraft, registry code 056028S - [Stahla Ronald A ROTORWAY EXEC 90](https://openairdocs.org/model/stahla-ronald-a-rotorway-exec-90): 1 registered aircraft, registry code 05604QB - [Philippi Dennis K ROTORWAY EXEC 90](https://openairdocs.org/model/philippi-dennis-k-rotorway-exec-90): 1 registered aircraft, registry code 05605EN - [Lloyd Kenneth M M.D. ROTORWAY EXEC 90](https://openairdocs.org/model/lloyd-kenneth-m-m-d-rotorway-exec-90): 1 registered aircraft, registry code 05606UZ - [Mcnamara Patrick E ROTORWAY EXEC 90](https://openairdocs.org/model/mcnamara-patrick-e-rotorway-exec-90): 1 registered aircraft, registry code 056119D - [Biggs Bret P ROTORWAY EXEC 90](https://openairdocs.org/model/biggs-bret-p-rotorway-exec-90): 1 registered aircraft, registry code 05615YZ - [Cummings David Clair ROTORWAY EXEC 90](https://openairdocs.org/model/cummings-david-clair-rotorway-exec-90): 1 registered aircraft, registry code 05617ZQ - [Thaxton Henry F ROTORWAY EXEC 90](https://openairdocs.org/model/thaxton-henry-f-rotorway-exec-90): 1 registered aircraft, registry code 056223A - [Lamborn R/Lamborn J ROTORWAY EXEC 90](https://openairdocs.org/model/lamborn-r-lamborn-j-rotorway-exec-90): 1 registered aircraft, registry code 05624DW - [Harris C Mark ROTORWAY EXEC 90](https://openairdocs.org/model/harris-c-mark-rotorway-exec-90): 1 registered aircraft, registry code 05625AD - [Richardson Marshall D ROTORWAY EXEC 90](https://openairdocs.org/model/richardson-marshall-d-rotorway-exec-90): 1 registered aircraft, registry code 05626Q6 - [Deiter Delmar ROTORWAY EXEC 90](https://openairdocs.org/model/deiter-delmar-rotorway-exec-90): 1 registered aircraft, registry code 05626QW --- 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.