# Cook Robert E LANCAIR IV

- Type: Aircraft model (FAA registry)
- Registry code: 05621RM
- Manufacturer (registry): COOK ROBERT E
- Model: LANCAIR IV
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 4
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Registered aircraft: 1
- Page: https://openairdocs.org/model/cook-robert-e-lancair-iv

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 (1)

- [N353T](https://openairdocs.org/aircraft/N353T): [Cook Thedra K](https://openairdocs.org/faa-owner/COOK%20THEDRA%20K), [Peachtree City, GA](https://openairdocs.org/faa-place/GA/Peachtree%20City), built 2006, S/N LIV 293

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (7)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2010FA0000840](https://openairdocs.org/sdr/2010FA0000840), Jul 19, 2010: ROCKER. BROKEN. SUDDEN ENGINE ROUGHNESS, PARTIAL POWER WENT FULL RICH ON 1 MILE FINAL. ADDED POWER TO FLARE, ENGINE FAILED ENTIRELY DUE TO FLOODING. ROCKER ARM FOUND BROKEN. AP
- [SDR AU990982](https://openairdocs.org/sdr/AU990982), Oct 8, 1999: OXYGEN SYSTEM. UNAPPROVED PART. (AUS) OXYGEN SYSTEM FOUND INSTALLED IN AIRCRAFT WITH NO INSTALLATION CERTIFICATION OR WEIGHT/BALANCE DATA IN THE AIRCRAFT LOG BOOK. THE OXYGEN SYSTEM IS NOT APP
- [SDR AU990983](https://openairdocs.org/sdr/AU990983), Oct 6, 1999: TORQUE TUBE. CORRODED. (AUS) ELEVATOR TORQUE TUBE CORRODED. THE AREA IS COVERED WITH EXHAUST GAS DEPOSITS.
- [SDR 99ZZZX4048](https://openairdocs.org/sdr/99ZZZX4048), Sep 29, 1999: LIFTER. PITTED. FACTORY NEW ENGINE DIS-ASSEMBLED FOR BALANCING. PITTING FOUND ON 6 INTAKE AND 2 EXHAUST LIFTER FACES.
- [SDR AU991075](https://openairdocs.org/sdr/AU991075), Jul 30, 1999: CIRCUIT BREAKER. FAILED. (AUS) INCORRECT RATED CIRCUIT BREAKER INSTALLED. CIRCUIT BREAKER RATED AT 50 AMPS CONNECTED TO A 70 AMP ALTERNATOR. CIRCUIT BREAKER FAILED DURING FLIGHT. UNAPPR
- [SDR AU990461](https://openairdocs.org/sdr/AU990461), May 10, 1999: WINDOW. CRACKED. (AUS) RIGHT SIDE WINDOW CRACKED. WINDOW WAS MODIFIED DURING AIRCRAFT CONSTRUCTION.
- [SDR AU990460](https://openairdocs.org/sdr/AU990460), May 10, 1999: REGULATOR. MISINSTALLED. (AUS) INCORRECT VOLTAGE REGULATOR FITTED.

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Rosenbarger/Goldsborough LANCAIR IV](https://openairdocs.org/model/rosenbarger-goldsborough-lancair-iv): 1 registered aircraft, registry code 056019X
- [Living Scriptures LANCAIR IV](https://openairdocs.org/model/living-scriptures-lancair-iv): 1 registered aircraft, registry code 05601BE
- [Froelich Robert E LANCAIR IV](https://openairdocs.org/model/froelich-robert-e-lancair-iv): 1 registered aircraft, registry code 05601FK
- [Gregg L R/Ritsche T LANCAIR IV](https://openairdocs.org/model/gregg-l-r-ritsche-t-lancair-iv): 1 registered aircraft, registry code 05601PO
- [Raviation LANCAIR IV](https://openairdocs.org/model/raviation-lancair-iv): 1 registered aircraft, registry code 0560203
- [Buck David G LANCAIR IV](https://openairdocs.org/model/buck-david-g-lancair-iv): 1 registered aircraft, registry code 05602XG
- [Jeppesen LANCAIR IV](https://openairdocs.org/model/jeppesen-lancair-iv): 1 registered aircraft, registry code 056037P
- [Dramesi John A LANCAIR IV](https://openairdocs.org/model/dramesi-john-a-lancair-iv): 1 registered aircraft, registry code 05603MY
- [Moder Sam A LANCAIR IV](https://openairdocs.org/model/moder-sam-a-lancair-iv): 1 registered aircraft, registry code 05603O4
- [Kilani Reda LANCAIR IV](https://openairdocs.org/model/kilani-reda-lancair-iv): 1 registered aircraft, registry code 05603X7
- [Fox Henry Creed LANCAIR IV](https://openairdocs.org/model/fox-henry-creed-lancair-iv): 1 registered aircraft, registry code 05604DU
- [Hoshall Thaddeus Lee LANCAIR IV](https://openairdocs.org/model/hoshall-thaddeus-lee-lancair-iv): 1 registered aircraft, registry code 05604HP

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