# Warner SCARAB series

- Type: Engine model (FAA registry)
- Registry code: 64502
- Manufacturer (registry): WARNER
- Model: SCARAB SERIES
- Engine type: Reciprocating
- Power: 125 hp
- Installed in: 71 registered aircraft
- Page: https://openairdocs.org/engine/warner-scarab-series

The registry names only the engine series, so ADs for every model in the series are matched.

## ADs that may apply (OpenAirDocs)

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

- [AD 51-04-02](https://openairdocs.org/ad/51-04-02): Cylinder Holddown Studs · Warner Engine Scarab Jr. Series 40, Scarab Jr. Series 50, Scarab Series 28 and 13 more

## Registered aircraft (71, first 50)

- [N10057](https://openairdocs.org/aircraft/N10057): [Triple Tree Aerodrome Inc](https://openairdocs.org/faa-owner/TRIPLE%20TREE%20AERODROME%20INC), [Woodruff, SC](https://openairdocs.org/faa-place/SC/Woodruff), built 1929, S/N 810
- [N101Y](https://openairdocs.org/aircraft/N101Y): [Snj Component Holdings LLC](https://openairdocs.org/faa-owner/SNJ%20COMPONENT%20HOLDINGS%20LLC), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 1930, S/N 3272
- [N110SP](https://openairdocs.org/aircraft/N110SP): [Holliday Mark E](https://openairdocs.org/faa-owner/HOLLIDAY%20MARK%20E), [Lake Elmo, MN](https://openairdocs.org/faa-place/MN/Lake%20Elmo), built 1931, S/N 6W13
- [N11221](https://openairdocs.org/aircraft/N11221): [Gray Eagle Farms LLC](https://openairdocs.org/faa-owner/GRAY%20EAGLE%20FARMS%20LLC), [Southampton, NJ](https://openairdocs.org/faa-place/NJ/Southampton), built 1938, S/N 3415
- [N11223](https://openairdocs.org/aircraft/N11223): [Hoover Michael B](https://openairdocs.org/faa-owner/HOOVER%20MICHAEL%20B), [Ridgeland, WI](https://openairdocs.org/faa-place/WI/Ridgeland), S/N 3416
- [N11254](https://openairdocs.org/aircraft/N11254): [Daniel Sharon L](https://openairdocs.org/faa-owner/DANIEL%20SHARON%20L), [Southampton, NJ](https://openairdocs.org/faa-place/NJ/Southampton), built 1931, S/N 3457
- [N113Y](https://openairdocs.org/aircraft/N113Y): [Sparrowhawk Aviation LLC](https://openairdocs.org/faa-owner/SPARROWHAWK%20AVIATION%20LLC), [Moraine, OH](https://openairdocs.org/faa-place/OH/Moraine), S/N 3297
- [N11715](https://openairdocs.org/aircraft/N11715): [Western Antique Aeroplane & Automobile Museum](https://openairdocs.org/faa-owner/WESTERN%20ANTIQUE%20AEROPLANE%20%26%20AUTOMOBILE%20MUSEUM), [Hood River, OR](https://openairdocs.org/faa-place/OR/Hood%20River), built 1931, S/N 12W-2040
- [N12344](https://openairdocs.org/aircraft/N12344): [Lyons James P](https://openairdocs.org/faa-owner/LYONS%20JAMES%20P), [Lake Suzy, FL](https://openairdocs.org/faa-place/FL/Lake%20Suzy), S/N 6W-38
- [N12350](https://openairdocs.org/aircraft/N12350): [Binkley David P Trustee](https://openairdocs.org/faa-owner/BINKLEY%20DAVID%20P%20TRUSTEE), [Sedona, AZ](https://openairdocs.org/faa-place/AZ/Sedona), built 1932, S/N 6W39
- [N124Y](https://openairdocs.org/aircraft/N124Y): [Haley Billie Jo](https://openairdocs.org/faa-owner/HALEY%20BILLIE%20JO), [San Martin, CA](https://openairdocs.org/faa-place/CA/San%20Martin), built 1930, S/N 3303
- [N127Y](https://openairdocs.org/aircraft/N127Y): [Deno Gerald G](https://openairdocs.org/faa-owner/DENO%20GERALD%20G), [Battle Creek, MI](https://openairdocs.org/faa-place/MI/Battle%20Creek), built 1930, S/N 3287
- [N1290](https://openairdocs.org/aircraft/N1290): [Weeks Kermit](https://openairdocs.org/faa-owner/WEEKS%20KERMIT), [Polk City, FL](https://openairdocs.org/faa-place/FL/Polk%20City), built 1971, S/N LCNC 1967
- [N130Y](https://openairdocs.org/aircraft/N130Y): [Richards T D](https://openairdocs.org/faa-owner/RICHARDS%20T%20D), [Saint Jo, TX](https://openairdocs.org/faa-place/TX/Saint%20Jo), built 1930, S/N 3310
- [N140Y](https://openairdocs.org/aircraft/N140Y): [Dream Wacos LLC](https://openairdocs.org/faa-owner/DREAM%20WACOS%20LLC), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), S/N 3317
- [N143Y](https://openairdocs.org/aircraft/N143Y): [Western Antique Aeroplane & Automobile Museum](https://openairdocs.org/faa-owner/WESTERN%20ANTIQUE%20AEROPLANE%20%26%20AUTOMOBILE%20MUSEUM), [Hood River, OR](https://openairdocs.org/faa-place/OR/Hood%20River), built 1931, S/N 3417
- [N15641](https://openairdocs.org/aircraft/N15641): [Hurdle Jack M II](https://openairdocs.org/faa-owner/HURDLE%20JACK%20M%20II), [Senoia, GA](https://openairdocs.org/faa-place/GA/Senoia), built 1935, S/N 1000
- [N1649](https://openairdocs.org/aircraft/N1649): [Rhinebeck Aerodrome Museum](https://openairdocs.org/faa-owner/RHINEBECK%20AERODROME%20MUSEUM), [Red Hook, NY](https://openairdocs.org/faa-place/NY/Red%20Hook), S/N 1649
- [N18629](https://openairdocs.org/aircraft/N18629): [Bowe Walter C Trustee](https://openairdocs.org/faa-owner/BOWE%20WALTER%20C%20TRUSTEE), [Sonoma, CA](https://openairdocs.org/faa-place/CA/Sonoma), S/N 6W00
- [N18642](https://openairdocs.org/aircraft/N18642): [Historic Aircraft Restoration Museum](https://openairdocs.org/faa-owner/HISTORIC%20AIRCRAFT%20RESTORATION%20MUSEUM), [Saint Louis, MO](https://openairdocs.org/faa-place/MO/Saint%20Louis), built 1933, S/N 6W53
- [N2009V](https://openairdocs.org/aircraft/N2009V): [Weeks Kermit](https://openairdocs.org/faa-owner/WEEKS%20KERMIT), [Polk City, FL](https://openairdocs.org/faa-place/FL/Polk%20City), built 2003, S/N 065
- [N204K](https://openairdocs.org/aircraft/N204K): [Bradley Gary C](https://openairdocs.org/faa-owner/BRADLEY%20GARY%20C), [Orchard Park, NY](https://openairdocs.org/faa-place/NY/Orchard%20Park), built 1929, S/N 30
- [N2203](https://openairdocs.org/aircraft/N2203): [Windward Aviation Inc](https://openairdocs.org/faa-owner/WINDWARD%20AVIATION%20INC), [Tukwila, WA](https://openairdocs.org/faa-place/WA/Tukwila), built 1972, S/N 535/17
- [N252N](https://openairdocs.org/aircraft/N252N): [Pioneer Flight Museum](https://openairdocs.org/faa-owner/PIONEER%20FLIGHT%20MUSEUM), [Kingsbury, TX](https://openairdocs.org/faa-place/TX/Kingsbury), S/N W-512
- [N255MS](https://openairdocs.org/aircraft/N255MS): [Hodges Mcneill Jr](https://openairdocs.org/faa-owner/HODGES%20MCNEILL%20JR), [Andersonville, GA](https://openairdocs.org/faa-place/GA/Andersonville), built 2004, S/N 1
- [N258N](https://openairdocs.org/aircraft/N258N): [Wingnut Inc](https://openairdocs.org/faa-owner/WINGNUT%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1930, S/N W-518
- [N26473](https://openairdocs.org/aircraft/N26473): [Jasper Ralph Lane](https://openairdocs.org/faa-owner/JASPER%20RALPH%20LANE), [Biloxi, MS](https://openairdocs.org/faa-place/MS/Biloxi), built 1940, S/N 26
- [N265N](https://openairdocs.org/aircraft/N265N): [Flying Plane LLC](https://openairdocs.org/faa-owner/FLYING%20PLANE%20LLC), [Bartow, FL](https://openairdocs.org/faa-place/FL/Bartow), built 1930, S/N W-514
- [N278H](https://openairdocs.org/aircraft/N278H): [Western Antique Aeroplane And Automobile Museum](https://openairdocs.org/faa-owner/WESTERN%20ANTIQUE%20AEROPLANE%20AND%20AUTOMOBILE%20MUSEUM), [Hood River, OR](https://openairdocs.org/faa-place/OR/Hood%20River), S/N 20
- [N2890](https://openairdocs.org/aircraft/N2890): [Hagerstown Aviation Museum Inc](https://openairdocs.org/faa-owner/HAGERSTOWN%20AVIATION%20MUSEUM%20INC), [Hagerstown, MD](https://openairdocs.org/faa-place/MD/Hagerstown), built 1933, S/N 2509
- [N289H](https://openairdocs.org/aircraft/N289H): [Silver Ranch Airpark Inc](https://openairdocs.org/faa-owner/SILVER%20RANCH%20AIRPARK%20INC), [Jaffrey, NH](https://openairdocs.org/faa-place/NH/Jaffrey), built 1929, S/N 5
- [N324N](https://openairdocs.org/aircraft/N324N): [Aerotrack Inc](https://openairdocs.org/faa-owner/AEROTRACK%20INC), [Hemet, CA](https://openairdocs.org/faa-place/CA/Hemet), built 1931, S/N 3003
- [N34304](https://openairdocs.org/aircraft/N34304): [Sheeree Corp](https://openairdocs.org/faa-owner/SHEEREE%20CORP), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), S/N 49
- [N412W](https://openairdocs.org/aircraft/N412W): [Alfred And Lois Kelch Aviation Museum Inc](https://openairdocs.org/faa-owner/ALFRED%20AND%20LOIS%20KELCH%20AVIATION%20MUSEUM%20INC), [Brodhead, WI](https://openairdocs.org/faa-place/WI/Brodhead), built 1990, S/N 2013-1990
- [N425ED](https://openairdocs.org/aircraft/N425ED): [Doyle Mary](https://openairdocs.org/faa-owner/DOYLE%20MARY), [Hampton, IA](https://openairdocs.org/faa-place/IA/Hampton), built 1975, S/N 425
- [N443W](https://openairdocs.org/aircraft/N443W): [Wagner Paul D](https://openairdocs.org/faa-owner/WAGNER%20PAUL%20D), [Argyle, WI](https://openairdocs.org/faa-place/WI/Argyle), S/N 12Q2009
- [N4725](https://openairdocs.org/aircraft/N4725): [Jenkins George Merritt](https://openairdocs.org/faa-owner/JENKINS%20GEORGE%20MERRITT), [Wayne, PA](https://openairdocs.org/faa-place/PA/Wayne), built 1928, S/N 120
- [N510Y](https://openairdocs.org/aircraft/N510Y): [Flying Plane LLC](https://openairdocs.org/faa-owner/FLYING%20PLANE%20LLC), [Bartow, FL](https://openairdocs.org/faa-place/FL/Bartow), S/N R-409
- [N533W](https://openairdocs.org/aircraft/N533W): [Cowell Norman B](https://openairdocs.org/faa-owner/COWELL%20NORMAN%20B), [Lomita, CA](https://openairdocs.org/faa-place/CA/Lomita), built 1930, S/N 5W70
- [N561M](https://openairdocs.org/aircraft/N561M): [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 1929, S/N 801, Registration pending
- [N607M](https://openairdocs.org/aircraft/N607M): [Dream Waco LLC](https://openairdocs.org/faa-owner/DREAM%20WACO%20LLC), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), S/N 183
- [N6204](https://openairdocs.org/aircraft/N6204): [Neely James B](https://openairdocs.org/faa-owner/NEELY%20JAMES%20B), [Kane, PA](https://openairdocs.org/faa-place/PA/Kane), built 2023, S/N 001
- [N62103](https://openairdocs.org/aircraft/N62103): [August Aero LLC](https://openairdocs.org/faa-owner/AUGUST%20AERO%20LLC), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 1993, S/N 001
- [N632Y](https://openairdocs.org/aircraft/N632Y): [Khalid Rauf J](https://openairdocs.org/faa-owner/KHALID%20RAUF%20J), [Indianapolis, IN](https://openairdocs.org/faa-place/IN/Indianapolis), built 1930, S/N 3343
- [N638M](https://openairdocs.org/aircraft/N638M): [Western North Carolina Air Museum](https://openairdocs.org/faa-owner/WESTERN%20NORTH%20CAROLINA%20AIR%20MUSEUM), [Hendersonville, NC](https://openairdocs.org/faa-place/NC/Hendersonville), built 1930, S/N 213
- [N65DS](https://openairdocs.org/aircraft/N65DS): [Browett Donald A](https://openairdocs.org/faa-owner/BROWETT%20DONALD%20A), [Independence, MO](https://openairdocs.org/faa-place/MO/Independence), built 1966, S/N 2
- [N663Y](https://openairdocs.org/aircraft/N663Y): [Snyder Kenneth C](https://openairdocs.org/faa-owner/SNYDER%20KENNETH%20C), [Lonsdale, MN](https://openairdocs.org/faa-place/MN/Lonsdale), built 1930, S/N 3356
- [N713S](https://openairdocs.org/aircraft/N713S): [Wood John M](https://openairdocs.org/faa-owner/WOOD%20JOHN%20M), [Hernando, FL](https://openairdocs.org/faa-place/FL/Hernando), built 1968, S/N 11
- [N72517](https://openairdocs.org/aircraft/N72517): [Smith James E Trustee](https://openairdocs.org/faa-owner/SMITH%20JAMES%20E%20TRUSTEE), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 1980, S/N H-1
- [N729V](https://openairdocs.org/aircraft/N729V): [Clark Kenneth](https://openairdocs.org/faa-owner/CLARK%20KENNETH), [Claremore, OK](https://openairdocs.org/faa-place/OK/Claremore), built 1930, S/N 295

All 71: https://openairdocs.org/engine/warner-scarab-series/aircraft.md

## NTSB investigations (15)

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 ERA25LA055](https://openairdocs.org/ntsb/ERA25LA055), Nov 17, 2024: Brunner-Winkle Bird A (N15641), Senoia, GA, substantial damage. Probable cause: The pilot’s improper flare, which resulted in a hard landing, and landing gear collapse.
- [NTSB WPR12CA158](https://openairdocs.org/ntsb/WPR12CA158), Apr 6, 2012: Fairchild 24 C8C (N14722), Redmond, OR, substantial damage. Probable cause: The pilot’s loss of airplane control as a result of excessive brake application. Contributing to the accident was the pilot’s lack of experience in the airplane.
- [NTSB DFW07LA199](https://openairdocs.org/ntsb/DFW07LA199), Sep 15, 2007: Monocoupe 110SP (N110SP), Utopia, TX, destroyed, 1 fatal. Probable cause: The pilot's loss of control while performing a low level inverted flight maneuver.
- [NTSB LAX07CA097](https://openairdocs.org/ntsb/LAX07CA097), Mar 1, 2007: Monocoupe 110 (N18642), Camarillo, CA, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing rollout that resulted in a ground loop.
- [NTSB ATL06CA034](https://openairdocs.org/ntsb/ATL06CA034), Jan 11, 2006: Labarre Hatz CB1 (N86LL), Walhalla, SC, substantial damage. Probable cause: The pilot's selection of unsuitable terrain to land. Contributing factors were the wet, soft, grassy runway.
- [NTSB SEA98LA151](https://openairdocs.org/ntsb/SEA98LA151), Jul 26, 1998: Curtiss-Wright 12W (N11715), Woodland, WA, substantial damage. Probable cause: The pilot in command misjudged clearance from high vegetation when he landed. Factors include inadequate mowing of high vegetation by airport personnel, providing insufficient clearance for the…
- [NTSB LAX97LA192](https://openairdocs.org/ntsb/LAX97LA192), May 23, 1997: Crosby GEE BEE Sportster (N11044), Watsonville, CA, substantial damage. Probable cause: an unknown failure of the engine oil system, which resulted in loss of oil and a seized engine.
- [NTSB ATL96LA013](https://openairdocs.org/ntsb/ATL96LA013), Nov 19, 1995: Fleet ONE (N638M), Holly Springs, NC, substantial damage. Probable cause: a loss of engine power due to a cracked crankshaft. A factor was the rough/uneven terrain encountered during the forced landing.
- [NTSB DEN90LA067](https://openairdocs.org/ntsb/DEN90LA067), Feb 23, 1990: Heindenreich Fokker DR-1 (N72517), Kalispell, MT, substantial damage. Probable cause: FAILURE OF THE PILOT TO MAINTAIN ADEQUATE AIRSPEED, WHICH RESULTED IN A STALL. HIS LACK OF FAMILIARITY WITH THIS AIRCRAFT WAS A RELATED FACTOR.
- [NTSB ATL84LA188](https://openairdocs.org/ntsb/ATL84LA188), May 25, 1984: Waco RNF (N11254), Danville, VA, substantial damage
- [NTSB OAK76DVM48](https://openairdocs.org/ntsb/OAK76DVM48), Sep 30, 1976: Schlemeyer (N713S), Portola Valley, CA, substantial damage
- [NTSB NYC73FFJ01](https://openairdocs.org/ntsb/NYC73FFJ01), Jul 8, 1972: Fokker DR1 (N2203), Kirkville, NY, substantial damage
- [NTSB SEA70D0109](https://openairdocs.org/ntsb/SEA70D0109), Oct 19, 1969: Monocoupe 110 (N18642), Monroe, WA, substantial damage
- [NTSB FTW70F0020](https://openairdocs.org/ntsb/FTW70F0020), May 24, 1969: Monocoupe 110 (N12350), Collinsville, OK, substantial damage
- [NTSB MKC66D0205](https://openairdocs.org/ntsb/MKC66D0205), Sep 4, 1965: Waco RNF (N140Y), Prairie City, IA, substantial damage

## FAA accident and incident reports (14)

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 20241117021929A](https://openairdocs.org/incident/20241117021929A), Nov 17, 2024: Brunner-Winkle BIRD A (N15641), Senoia, GA, Substantial damage. Hard landing resulting in left gear collapse. Substiantial damage to left lower wing. Gear strut dug into grass strip causing aircraft to pivot on nose…
- [Accident 20120406005599A](https://openairdocs.org/incident/20120406005599A), Apr 6, 2012: Fairchild 24 C8C (N14722), Redmond, OR, Substantial damage. ATP pilot / owner with current type ratings in heavy Boeing aircraft was in process of receiving initial dual instruction and checkout from cfi/dpe with…
- [Incident 20111009025399I](https://openairdocs.org/incident/20111009025399I), Oct 9, 2011: Perikles John J FOK-DRI (N757FK), Virginia Beach, VA, Minor damage. During the rollout phase of landing, the aircraft drifted left of the center of the runway. The pilot initiated corrective actions, right rudder and right…
- [Accident 20070915022219A](https://openairdocs.org/incident/20070915022219A), Sep 15, 2007: Mncoup 110 (N110SP), Utopia, TX, Destroyed, 1 fatal. (-23) The pilot was doing low level aerobatics over a friend's property. When flying inverted at 200 feet AGL, the plane dove into the ground and collided with…
- [Accident 20070301002589A](https://openairdocs.org/incident/20070301002589A), Mar 1, 2007: Mncoup 110 (N18642), Camarillo, CA, Substantial damage. (-23) On March 1, 2007, at 1128 pacific standard time, a monocoupe 110 flipped over on its back while on roll out from a landing on runway 26 at Camarillo…
- [Accident 19980726017589A](https://openairdocs.org/incident/19980726017589A), Jul 26, 1998: Curtis TRAVELAIR12W (N11715), Woodland, WA, Substantial damage. Caught left wing in grass on edge runway. Ground looped. Damaged prop and wing. (.4)the pilot of the antique biplane stated that he preferred to land on grass…
- [Accident 19970523011819A](https://openairdocs.org/incident/19970523011819A), May 23, 1997: Amtr GEEBEESPORT (N11044), Watsonville, CA, Substantial damage. Crashed in a field during airshow. (.4)the captain's decision to continue the approach contrary to Continental airlines (coa) standard operating procedures…
- [Accident 19951119037719A](https://openairdocs.org/incident/19951119037719A), Nov 19, 1995: Amtr FLEETONE (N638M), Holly Springs, NC, Substantial damage. Engine smoked and quit. Landing prop stopped vertical caught on terrain. Nosed over. Found cracked crankshaft.
- [Incident 19950701015849I](https://openairdocs.org/incident/19950701015849I), Jul 1, 1995: Amtr GEEBEESPORT (N11044), Lincoln, CA, Minor damage. First flight in type. Found he was too big to be able to properly operate the tiny homebuilt.
- [Accident 19900223002639A](https://openairdocs.org/incident/19900223002639A), Feb 23, 1990: Amtrrf FOKKERDR1 (N72517), Kalispell, MT, Substantial damage. Stalled and entered a spin turning final for landing. Was first flight in single seat homebuilt.
- [Incident 19890618036669I](https://openairdocs.org/incident/19890618036669I), Jun 18, 1989: Waco RNF (N114Y), Roanoke, VA, Minor damage. Lost control on rollout when buffeted by gusts of wind. Tail rose and propeller struck runway.
- [Accident 19840525071879A](https://openairdocs.org/incident/19840525071879A), May 25, 1984: Waco RNF (N11254), Danville, VA, Substantial damage. Engine quit on base leg after attempted landing due to a rough engine. Stalled turning final. Seized exhaust valve.
- [Accident 19830522022169A](https://openairdocs.org/incident/19830522022169A), May 22, 1983: Grtlks 2T1A (N204K), Redding, CA, Substantial damage. Pilot was unable to maintain directional control after losing brakes during landing roll.
- [Accident 19760930030199A](https://openairdocs.org/incident/19760930030199A), Sep 30, 1976: Buker JUNGMISTR1 (N713S), Portola Valley, CA, Substantial damage. Inverted oil system pick-up flop tube hung up on dip stick in inverted flt.

## STCs that may be installed (OpenAirDocs) (5)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC. Lists Scarab Jr. Series 40
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc. Lists Scarab Jr. Series 40
- [STC SE2591 CE](https://openairdocs.org/stc/SE2591%20CE): Add unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index(RON + MON)/2, per ASTM Specification D-439. Petersen Aviation Inc. Lists Scarab Series 28
- [STC SE2591CE](https://openairdocs.org/stc/SE2591CE): Add unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index(RON + MON)/2, per ASTM Specification D-439. Petersen Aviation Inc. Lists Scarab Series 28
- [STC SE4601SW](https://openairdocs.org/stc/SE4601SW): Modify intake and exhaust valves. Daily Tubbs Aero, Inc. Lists Scarab Series 40

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