FAA-listed STC holder

OCR Aviation STCs

The Jun 30, 2026 FAA DRS snapshot lists 5 selected supplemental type certificates with status Current under OCR Aviation. The records span 38 public aircraft directories and 2 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

aircraft directories

modification categories

Dec 1, 2017

latest recorded revision

Recently revised records

Showing the 5 most recently revised records. Category directories provide the complete paginated discovery path.

5 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

OCR Aviation supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SA2872SW Installation of wing nacelle locker tanks. Engine and powerplant View record	Cessna Aircraft 310PTC 3A10 Cessna Aircraft T310RTC 3A10 Cessna Aircraft 310RTC 3A10 Cessna Aircraft 310ITC 3A10 Cessna Aircraft T310PTC 3A10 Cessna Aircraft 310NTC 3A10 Cessna Aircraft 310LTC 3A10 Cessna Aircraft 310KTC 3A10 Cessna Aircraft 310JTC 3A10 Cessna Aircraft 310QTC 3A10 Cessna Aircraft 340TC 3A25 Cessna Aircraft 320FTC 3A25 Cessna Aircraft 320ETC 3A25 Cessna Aircraft 320DTC 3A25 Cessna Aircraft 320CTC 3A25 Cessna Aircraft 340ATC 3A25 Cessna Aircraft 404TC A25CE Cessna Aircraft 421BTC A7CE Cessna Aircraft 414TC A7CE Cessna Aircraft 421CTC A7CE Cessna Aircraft 421TC A7CE Cessna Aircraft 414ATC A7CE Cessna Aircraft 411ATC A7CE Cessna Aircraft 411TC A7CE Cessna Aircraft 402BTC A7CE Cessna Aircraft 402ATC A7CE Cessna Aircraft 402TC A7CE Cessna Aircraft 401BTC A7CE Cessna Aircraft 401ATC A7CE Cessna Aircraft 401TC A7CE Cessna Aircraft 421ATC A7CE	Current at cited snapshot Revised Dec 1, 2017 Application: Sep 28, 1978	FAA holder: OCR Aviation FAA authority record
SA2993SW Installation of nose fuselage fuel tank. Fuel systems View record	Cessna Aircraft 404TC A25CE Cessna Aircraft 421BTC A7CE Cessna Aircraft 402CTC A7CE Cessna Aircraft 402BTC A7CE	Current at cited snapshot Revised Dec 1, 2017 Application: Feb 1, 1979	FAA holder: OCR Aviation FAA authority record
SA3789WE Installation of 36-gallon auxiliary fuel tanks in each wing. (THRU S/N 310Q-0600). Fuel systems View record	Cessna Aircraft T310PTC 3A10 Cessna Aircraft 310QTC 3A10 Cessna Aircraft 310PTC 3A10 Cessna Aircraft 310NTC 3A10 Cessna Aircraft 310LTC 3A10 Cessna Aircraft 310KTC 3A10 Cessna Aircraft 310JTC 3A10 Cessna Aircraft 310ITC 3A10 Cessna Aircraft 310HTC 3A10 Cessna Aircraft 310GTC 3A10 Cessna Aircraft T310QTC 3A10	Current at cited snapshot Revised Dec 1, 2017 Application: Mar 19, 1978	FAA holder: OCR Aviation FAA authority record
SA3822WE Installation of 34-gallon auxiliary fuel tanks in each wing. Fuel systems View record	Cessna Aircraft 320BTC 3A25 Cessna Aircraft 320FTC 3A25 Cessna Aircraft 320ETC 3A25 Cessna Aircraft 320CTC 3A25 Cessna Aircraft 320ATC 3A25 Cessna Aircraft 320TC 3A25 Cessna Aircraft 320DTC 3A25	Current at cited snapshot Revised Dec 1, 2017 Application: Dec 8, 1978	FAA holder: OCR Aviation FAA authority record
SA3930WE Installation of 37.5 gallon auxiliary fuel tanks in each wing. (414 THRU S/N 414-0350). Fuel systems View record	Cessna Aircraft Long Beach The 402ATC A7CE Cessna Aircraft 401TC A7CE Cessna Aircraft 401ATC A7CE Cessna Aircraft 401BTC A7CE Cessna Aircraft 402TC A7CE Cessna Aircraft 402BTC A7CE Cessna Aircraft 414TC A7CE	Current at cited snapshot Revised Dec 1, 2017 Application: Dec 8, 1978	FAA holder: OCR Aviation FAA authority record

OCR Aviation STCs

Modification mix

Aircraft represented

Recently revised records

Installation of wing nacelle locker tanks.

Installation of nose fuselage fuel tank.

Installation of 36-gallon auxiliary fuel tanks in each wing. (THRU S/N 310Q-0600).

Installation of 34-gallon auxiliary fuel tanks in each wing.

Installation of 37.5 gallon auxiliary fuel tanks in each wing. (414 THRU S/N 414-0350).