FAA-listed STC holder

Heliplane Aircraft Corporation International STCs

The Jun 30, 2026 FAA DRS snapshot lists 7 selected supplemental type certificates with status Current under Heliplane Aircraft Corporation International. The records span 1 public aircraft directories and 5 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

7

listed Current at snapshot

1

aircraft directories

5

modification categories

Jul 27, 2011

latest recorded revision

Modification mix

Safety and emergency equipment2

Other aircraft modifications2

Propellers1

Cabin and interiors1

Engine and powerplant1

Aircraft represented

Air & Space America 18A8 STCs

Recently revised records

Showing the 7 most recently revised records. Category directories provide the complete paginated discovery path.

SA104GLSafety and emergency equipmentRevised Jul 27, 2011

Installation of a 0.6 second time delay circuit in the side-slip warning system in accordance with Farrington Aircraft Corporation Drawing No. FAC-1001, revision D, and FAC-100, Page 3, revision C, and later approved revisions.

FAA holder: Heliplane Aircraft Corporation International

SH14CEOther aircraft modificationsRevised Jul 27, 2011

Installation of variable pitch control system in accordance with Devore Aviation Corporation Drawings DE-3300, Rev. F, dated 12/28/71, DE-3301, Rev. C, dated 11/19/71, DE-3302, dated 9/7/71, DE-3303, dated 10/21/71, DE-3304, dated 11/19/71, and DE-3305, dated 11/19/71.

FAA holder: Heliplane Aircraft Corporation International

SH156GLPropellersRevised Jul 27, 2011

Installation of Hartzell HC-C3Y(K, R)-1BLF/FL7663( )-4R propeller in accordance with Farrington Aircraft Corporation Installation Instructions FAC-2001 dated October 1, 1976.

FAA holder: Heliplane Aircraft Corporation International

SH293GLOther aircraft modificationsRevised Jul 27, 2011

Modification of rotor hub drag link in accordance with Devore Aviation Corporation Stress Memo dated December 21, 1978.

FAA holder: Heliplane Aircraft Corporation International

SH317GLCabin and interiorsRevised Jul 27, 2011

Removal of cabin door for flight.

FAA holder: Heliplane Aircraft Corporation International

SH2673SOSafety and emergency equipmentRevised Jul 22, 2011

Installation of Fin Tip Plates in accordance with Farrington Aircraft Drawing No. FAC-FIN-1011, Revision A , dated October 13, 1989, and removal of existing Side Slip Warning System.

FAA holder: Heliplane Aircraft Corporation International

SH2138SOEngine and powerplantRevised Jun 27, 2011

Modification of the exhaust and the addition of a muffler and re-contoured engine cowling in accordance with Farrington Aircraft Corp. installation instructions dated February 27, 1987 and Master Drawing List revised August 23, 1987.

FAA holder: Heliplane Aircraft Corporation International