# Grumman G-21A

- Type: Aircraft model (FAA registry)
- Registry code: 3951204
- Manufacturer (registry): GRUMMAN
- Model: G-21A
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 2 · Reciprocating
- Seats: 8
- Weight class: Up to 12,499 lb
- Cruise speed: 150 mph
- Certification: Type certificated
- Data sheet: [TCDS TC 654](https://openairdocs.org/tcds/TC%20654) (OpenAirDocs)
- Holder: Frakes Aviation
- Registered aircraft: 34
- Page: https://openairdocs.org/model/grumman-g-21a

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.

- [AD 79-02-03](https://openairdocs.org/ad/79-02-03): Engine Restart · Grumman American G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B) with STC SA1-52. Effective Jan 29, 1979
- [AD 73-12-06](https://openairdocs.org/ad/73-12-06): Elevator and Rudder Torque Tube Failure · Grumman American G-21 and G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B). Effective Jun 14, 1973
- [AD 72-11-03](https://openairdocs.org/ad/72-11-03): Engine Fuel Starvation · Grumman American G-21 and G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B). Effective May 30, 1972
- [AD 53-24-01](https://openairdocs.org/ad/53-24-01): Stabilizer Strut  Terminal · Grumman American G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B). Effective Aug 17, 1971
- [AD 71-12-03](https://openairdocs.org/ad/71-12-03): Flex Drive Elevator Tab Control · Grumman American G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B). Effective Jun 10, 1971
- [AD 63-27-02](https://openairdocs.org/ad/63-27-02): Rudder Control Push Rod End Fittings · Grumman American G-21 and G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B). Effective Jan 20, 1964
- [AD 53-21-02](https://openairdocs.org/ad/53-21-02): Horizontal Stabilizer Strut · Grumman American G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B)
- [AD 50-15-01](https://openairdocs.org/ad/50-15-01): Mixture Control Rework · Grumman American G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B)
- [AD 49-16-01](https://openairdocs.org/ad/49-16-01): Fuel Tank Baffles · Grumman American G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B)
- [AD 46-38-01](https://openairdocs.org/ad/46-38-01): Vacuum System Tubing · Grumman American G-21 and G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B)

## Registered aircraft (34)

- [N1019N](https://openairdocs.org/aircraft/N1019N): [Yonge Lawrence W Jr Trustee](https://openairdocs.org/faa-owner/YONGE%20LAWRENCE%20W%20JR%20TRUSTEE), [Ocklawaha, FL](https://openairdocs.org/faa-place/FL/Ocklawaha), built 1946, S/N B-30
- [N121SR](https://openairdocs.org/aircraft/N121SR): [Stick And Rudder Aviation Inc](https://openairdocs.org/faa-owner/STICK%20AND%20RUDDER%20AVIATION%20INC), [Middletown, DE](https://openairdocs.org/faa-place/DE/Middletown), built 1940, S/N 1084
- [N21A](https://openairdocs.org/aircraft/N21A): [D B Aero Inc](https://openairdocs.org/faa-owner/D%20B%20AERO%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1946, S/N B129
- [N22932](https://openairdocs.org/aircraft/N22932): [Runyon Aviation LLC](https://openairdocs.org/faa-owner/RUNYON%20AVIATION%20LLC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 1946, S/N B-139
- [N270DB](https://openairdocs.org/aircraft/N270DB): [Brown Daniel A](https://openairdocs.org/faa-owner/BROWN%20DANIEL%20A), [Gettysburg, PA](https://openairdocs.org/faa-place/PA/Gettysburg), built 1944, S/N B117
- [N291VW](https://openairdocs.org/aircraft/N291VW): [Bowe Walter C Trustee](https://openairdocs.org/faa-owner/BOWE%20WALTER%20C%20TRUSTEE), [Sonoma, CA](https://openairdocs.org/faa-place/CA/Sonoma), built 1942, S/N 1188
- [N327](https://openairdocs.org/aircraft/N327): [Damico Samuel P](https://openairdocs.org/faa-owner/DAMICO%20SAMUEL%20P), [Pittsford, NY](https://openairdocs.org/faa-place/NY/Pittsford), built 1958, S/N 1051
- [N329](https://openairdocs.org/aircraft/N329): [Nichols Charles F Trustee](https://openairdocs.org/faa-owner/NICHOLS%20CHARLES%20F%20TRUSTEE), [Baldwin Park, CA](https://openairdocs.org/faa-place/CA/Baldwin%20Park), built 1945, S/N B-140
- [N345GG](https://openairdocs.org/aircraft/N345GG): [3g Classic Aviation Inc](https://openairdocs.org/faa-owner/3G%20CLASSIC%20AVIATION%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), S/N B101
- [N39FG](https://openairdocs.org/aircraft/N39FG): [Diesel Acquisitions LLC](https://openairdocs.org/faa-owner/DIESEL%20ACQUISITIONS%20LLC), [Milpitas, CA](https://openairdocs.org/faa-place/CA/Milpitas), built 1939, S/N 1059
- [N401SJ](https://openairdocs.org/aircraft/N401SJ): [Mayes Brett R](https://openairdocs.org/faa-owner/MAYES%20BRETT%20R), [Williams, CA](https://openairdocs.org/faa-place/CA/Williams), built 1943, S/N 1168
- [N42GL](https://openairdocs.org/aircraft/N42GL): [Valadez Goose LLC](https://openairdocs.org/faa-owner/VALADEZ%20GOOSE%20LLC), [Helena, MT](https://openairdocs.org/faa-place/MT/Helena), S/N B-52
- [N4575C](https://openairdocs.org/aircraft/N4575C): [International Air Services Inc Trustee](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20SERVICES%20INC%20TRUSTEE), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), S/N B-120
- [N48550](https://openairdocs.org/aircraft/N48550): [Uss Alabama Battleship Foundation Inc](https://openairdocs.org/faa-owner/USS%20ALABAMA%20BATTLESHIP%20FOUNDATION%20INC), [Mobile, AL](https://openairdocs.org/faa-place/AL/Mobile), built 1939, S/N 1061
- [N5548A](https://openairdocs.org/aircraft/N5548A): [Stage One Associates LLC](https://openairdocs.org/faa-owner/STAGE%20ONE%20ASSOCIATES%20LLC), [Oxford, CT](https://openairdocs.org/faa-place/CT/Oxford), built 1959, S/N 75-7661
- [N600ZE](https://openairdocs.org/aircraft/N600ZE): [Mike Rinker Aircraft LLC](https://openairdocs.org/faa-owner/MIKE%20RINKER%20AIRCRAFT%20LLC), [Union City, TN](https://openairdocs.org/faa-place/TN/Union%20City), built 1943, S/N B-100
- [N68157](https://openairdocs.org/aircraft/N68157): [Mount Pleasant, TX](https://openairdocs.org/faa-place/TX/Mount%20Pleasant), built 1947, S/N 1138, Registration pending
- [N69263](https://openairdocs.org/aircraft/N69263): [Wilhite Randy J](https://openairdocs.org/faa-owner/WILHITE%20RANDY%20J), [Jackson, MI](https://openairdocs.org/faa-place/MI/Jackson), built 1944, S/N 1132
- [N6DF](https://openairdocs.org/aircraft/N6DF): [Mabee Roy W](https://openairdocs.org/faa-owner/MABEE%20ROY%20W), [Meridian, ID](https://openairdocs.org/faa-place/ID/Meridian), built 1945, S/N B-128
- [N703](https://openairdocs.org/aircraft/N703): [B-81 LLC](https://openairdocs.org/faa-owner/B-81%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1946, S/N B-81
- [N7211](https://openairdocs.org/aircraft/N7211): [Stage One Associates LLC](https://openairdocs.org/faa-owner/STAGE%20ONE%20ASSOCIATES%20LLC), [Oxford, CT](https://openairdocs.org/faa-place/CT/Oxford), built 1944, S/N B24
- [N741](https://openairdocs.org/aircraft/N741): [Damico Samuel P](https://openairdocs.org/faa-owner/DAMICO%20SAMUEL%20P), [Pittsford, NY](https://openairdocs.org/faa-place/NY/Pittsford), built 1946, S/N B-97
- [N74588](https://openairdocs.org/aircraft/N74588): [Southern Cross Aviation LLC](https://openairdocs.org/faa-owner/SOUTHERN%20CROSS%20AVIATION%20LLC), [Roanoke, TX](https://openairdocs.org/faa-place/TX/Roanoke), built 1962, S/N 1165
- [N778](https://openairdocs.org/aircraft/N778): [L-13 LLC](https://openairdocs.org/faa-owner/L-13%20LLC), [Blaine, MN](https://openairdocs.org/faa-place/MN/Blaine), built 1943, S/N B-56
- [N7811](https://openairdocs.org/aircraft/N7811): [Evergreen Aviation & Space Museum](https://openairdocs.org/faa-owner/EVERGREEN%20AVIATION%20%26%20SPACE%20MUSEUM), [Mcninnville, OR](https://openairdocs.org/faa-place/OR/Mcninnville), built 1942, S/N B-122
- [N7821](https://openairdocs.org/aircraft/N7821): [Yanks Air Museum](https://openairdocs.org/faa-owner/YANKS%20AIR%20MUSEUM), [Baldwin Park, CA](https://openairdocs.org/faa-place/CA/Baldwin%20Park), S/N B-47
- [N789](https://openairdocs.org/aircraft/N789): [Alaska Aviation Museum](https://openairdocs.org/faa-owner/ALASKA%20AVIATION%20MUSEUM), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1943, S/N B-102
- [N88821](https://openairdocs.org/aircraft/N88821): [Tongass Historical Society Inc](https://openairdocs.org/faa-owner/TONGASS%20HISTORICAL%20SOCIETY%20INC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1942, S/N 1157
- [N9074N](https://openairdocs.org/aircraft/N9074N): [Sanders Dennis](https://openairdocs.org/faa-owner/SANDERS%20DENNIS), [Ione, CA](https://openairdocs.org/faa-place/CA/Ione), S/N B142
- [N9074U](https://openairdocs.org/aircraft/N9074U): [Wilhite Randy J](https://openairdocs.org/faa-owner/WILHITE%20RANDY%20J), [Jackson, MI](https://openairdocs.org/faa-place/MI/Jackson), S/N 1129
- [N95467](https://openairdocs.org/aircraft/N95467): [Pemberton Addison J](https://openairdocs.org/faa-owner/PEMBERTON%20ADDISON%20J), [Spokane, WA](https://openairdocs.org/faa-place/WA/Spokane), built 1942, S/N 1161
- [N9750Z](https://openairdocs.org/aircraft/N9750Z): [Aukes Brian E](https://openairdocs.org/faa-owner/AUKES%20BRIAN%20E), [Huxley, IA](https://openairdocs.org/faa-place/IA/Huxley), S/N B-32
- [N985R](https://openairdocs.org/aircraft/N985R): [Collings Foundation Inc DBA](https://openairdocs.org/faa-owner/COLLINGS%20FOUNDATION%20INC%20DBA), [Hudson, MA](https://openairdocs.org/faa-place/MA/Hudson), built 1951, S/N B-86
- [N9KL](https://openairdocs.org/aircraft/N9KL): [Ozark Management Inc](https://openairdocs.org/faa-owner/OZARK%20MANAGEMENT%20INC), [Jefferson City, MO](https://openairdocs.org/faa-place/MO/Jefferson%20City), built 1956, S/N B-8

## NTSB investigations (76, newest 50)

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 WPR14FA231](https://openairdocs.org/ntsb/WPR14FA231), Jun 17, 2014: Grumman G 21A (N888GG), Sula, MT, destroyed, 1 fatal. Probable cause: The pilot's decision to continue flight into deteriorating weather conditions in an airplane not maintained for instrument flight, which resulted in a loss of control due to spatial disorientation.
- [NTSB ANC08FA050](https://openairdocs.org/ntsb/ANC08FA050), Apr 10, 2008: Grumman G-21A (N741), Unalaska, AK, substantial damage. Probable cause: The pilot's failure to maintain clearance from a truck while landing, and the vehicle operator's decision to ignore runway warning signals. Contributing to the accident was an inoperative vehicle…
- [NTSB MIA08LA048](https://openairdocs.org/ntsb/MIA08LA048), Jan 29, 2008: Grumman G-21A (N21A), Marathon, FL, substantial damage. Probable cause: The pilot’s failure to maintain control of the airplane during a water landing.
- [NTSB ANC07CA053](https://openairdocs.org/ntsb/ANC07CA053), Jun 24, 2007: Grumman G21A (N7811), Dutch Harbor, AK, substantial damage. Probable cause: The pilot's inadequate compensation for wind conditions during the takeoff roll, which resulted in a loss of directional control and a nose over.
- [NTSB IAD05LA038](https://openairdocs.org/ntsb/IAD05LA038), Feb 15, 2005: Grumman G-21A (N327), Penn Yan, NY, destroyed. Probable cause: The flight instructor's inadequate planning/decision and his remedial action to conduct or recover from a simulated emergency procedure.
- [NTSB ANC04LA038](https://openairdocs.org/ntsb/ANC04LA038), Apr 5, 2004: Grumman G21 (N22932), Unalaska, AK, substantial damage. Probable cause: The inadvertent ground loop/swerve by the second pilot during the landing roll, and the first (check) pilot's inadequate supervision of the second pilot, which resulted in a loss of control and…
- [NTSB ANC02LA052](https://openairdocs.org/ntsb/ANC02LA052), Jun 17, 2002: Grumman G-21 (N21A), Northway, AK, substantial damage. Probable cause: The pilot's inadequate compensation for wind conditions during the landing roll, which resulted in an inadvertent ground loop/swerve. A factor associated with the accident was a crosswind.
- [NTSB MIA99FA114](https://openairdocs.org/ntsb/MIA99FA114), Mar 25, 1999: Grumman G-21A (N5548A), Lauderdale Lake, FL, destroyed, 1 fatal. Probable cause: The pilots failure to correctly identify an in-flight emergency (fluctuating manifold pressure and rpm due to a disconnected spark plug lead / unscrewed ignition lead shroud) and failure to complete…
- [NTSB ANC98LA038](https://openairdocs.org/ntsb/ANC98LA038), Apr 15, 1998: Grumman G-21 (N22932), Dutch Harbor, AK, substantial damage. Probable cause: The pilot-in-command's failure to identify the swells prior to landing. A factor was the water swells.
- [NTSB SEA94LA192](https://openairdocs.org/ntsb/SEA94LA192), Jul 22, 1994: Grumman G-21A (N327), Bremerton, WA, substantial damage. Probable cause: THE PILOT-IN-COMMAND'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL DURING LANDING.
- [NTSB ANC94GA041](https://openairdocs.org/ntsb/ANC94GA041), Mar 21, 1994: Grumman G21A (N741), Mt. Fairweather, Canada, substantial damage. Probable cause: THE PILOT'S IMPROPER DECISION IN ATTEMPTING TO OUTCLIMB THE RISING TERRAIN WITH THE EXISTING AIRPLANE CLIMB PERFORMANCE. FACTORS WHICH CONTRIBUTED TO THE ACCIDENT WERE: THE PILOT'S INADEQUATE…
- [NTSB ANC93IA026](https://openairdocs.org/ntsb/ANC93IA026), Jan 7, 1993: Grumman G-21A (N22932), Akutan, AK, incident, minor damage. Probable cause: THE INCIDENT WAS CAUSED BY THE PILOTS IMPROPER COMPENSATION FOR THE WINDS. FACTORS WERE THE MICROBURST, THE ROUGH WATER, AND THE PILOT'S INADEQUATE EVALUATION OF THE WEATHER CONDITIONS.
- [NTSB MIA93WA028](https://openairdocs.org/ntsb/MIA93WA028), Dec 15, 1992: Grumman G-21A (N3116T), West Caicos Isl, Turks & Caicos Islands, substantial damage
- [NTSB SEA91LA086](https://openairdocs.org/ntsb/SEA91LA086), Apr 17, 1991: Grumman G-21A (N9750Z), Spokane, WA, substantial damage. Probable cause: THE PILOT-IN-COMMAND DID NOT MAINTAIN DIRECTIONAL CONTROL OF THE AIRPLANE. FACTORS WERE: THE PIC'S INADEQUATE COMPENSATE FOR THE WIND, HIS LIMITED FLIGHT EXPEREINCE IN THIS TYPE OF AIRPLANE, AND THE…
- [NTSB ANC90LA102](https://openairdocs.org/ntsb/ANC90LA102), Jun 30, 1990: Grumman G21 (N7811), King Salmon, AK, substantial damage. Probable cause: THE PILOT FAILED TO ADEQUATELY COMPENSATE FOR THE PREVAILING WIND CONDITIONS AND HIS FAILURE TO MAINTAIN DIRECTIONAL CONTROL. A CONTRIBUTING FACTOR WAS THE STRONG CROSSWIND COMPONENT.
- [NTSB LAX90LA221](https://openairdocs.org/ntsb/LAX90LA221), Jun 16, 1990: Grumman G21A (N86640), Long Beach, CA, substantial damage. Probable cause: THE PILOT'S FAILURE TO RETRACT THE LANDING GEAR RESULTING IN AN INADVERTENT WHEELS-DOWN LANDING IN WATER. IN ADDITION, A LOSS OF ELEVATOR CONTROL WAS ENCOUNTERED DUE TO A STRESS CORROSION FAILURE OF…
- [NTSB FTW87LA162](https://openairdocs.org/ntsb/FTW87LA162), Jul 6, 1987: Grumman G-21A (N322), Big Spring, TX, substantial damage
- [NTSB ANC82DA020](https://openairdocs.org/ntsb/ANC82DA020), Feb 20, 1982: Grumman G-21A (N2845D), N Cape Yakataga, AK, substantial damage
- [NTSB ANC81FA017](https://openairdocs.org/ntsb/ANC81FA017), Jan 23, 1981: Grumman G-21A (N95468), Dutch Harbor, AK, destroyed, 2 fatal
- [NTSB ANC80DA088](https://openairdocs.org/ntsb/ANC80DA088), Aug 21, 1980: Grumman G-21A (N3282), Karluk, AK, substantial damage
- [NTSB ANC80DA069](https://openairdocs.org/ntsb/ANC80DA069), Jul 20, 1980: Grumman G-21A (N9750Z), Juneau, AK, substantial damage
- [NTSB ANC80DA037](https://openairdocs.org/ntsb/ANC80DA037), Mar 26, 1980: Grumman G-21 (N87U), Karluk, AK, substantial damage
- [NTSB LAX79FA084](https://openairdocs.org/ntsb/LAX79FA084), Sep 17, 1979: Grumman G-21A (N22932), Avalon, CA, substantial damage, 1 fatal
- [NTSB LAX79FA040](https://openairdocs.org/ntsb/LAX79FA040), Apr 14, 1979: Grumman G-21A (N11CS), Catalina Is, CA, destroyed, 1 fatal
- [NTSB ANC79DAG24](https://openairdocs.org/ntsb/ANC79DAG24), Nov 11, 1978: Grumman G-21A (N95467), Akutan Bay, AK, substantial damage
- [NTSB MIA79FA011](https://openairdocs.org/ntsb/MIA79FA011), Nov 5, 1978: Grumman G21A (N74676), St Croix, VI, substantial damage
- [NTSB ANC78FA067](https://openairdocs.org/ntsb/ANC78FA067), Aug 25, 1978: Grumman G-21A (N1045), Laboucher Bay, destroyed, 12 fatal
- [NTSB MIA78FA093](https://openairdocs.org/ntsb/MIA78FA093), Jun 4, 1978: Grumman G21A (N323), St.Thomas, VI, substantial damage
- [NTSB ANC78DA038](https://openairdocs.org/ntsb/ANC78DA038), May 12, 1978: Grumman G-21A (N1042), Port Moller, AK, destroyed
- [NTSB MIA78FKT20](https://openairdocs.org/ntsb/MIA78FKT20), Dec 13, 1977: Grumman G-21 (N23DF), Miami Lakes, FL, destroyed
- [NTSB LAX77FUA17](https://openairdocs.org/ntsb/LAX77FUA17), Jun 10, 1977: Grumman G-21A (N11CS), Catalina, CA, substantial damage
- [NTSB LAX76IL081](https://openairdocs.org/ntsb/LAX76IL081), May 28, 1976: Grumman G-21A (N93G), Long Beach, CA, incident, minor damage
- [NTSB LAX76AL068](https://openairdocs.org/ntsb/LAX76AL068), Apr 10, 1976: Grumman G-21A (N18CS), Avalon, CA, destroyed
- [NTSB MIA76AM066](https://openairdocs.org/ntsb/MIA76AM066), Feb 21, 1976: Grumman G-21A (N4772C), St Croix, VI, destroyed, 5 fatal
- [NTSB LAX76IL006](https://openairdocs.org/ntsb/LAX76IL006), Jul 30, 1975: Grumman G-21 (N324), Long Beach, CA, substantial damage
- [NTSB ANC75AA045](https://openairdocs.org/ntsb/ANC75AA045), Dec 11, 1974: Grumman G-21 (N1583V), Missing Aircraft, destroyed, 5 fatal
- [NTSB MKC75FCQ20](https://openairdocs.org/ntsb/MKC75FCQ20), Oct 9, 1974: Grumman G-21 (N75333), Wichita, KS, substantial damage
- [NTSB MIA74AM091](https://openairdocs.org/ntsb/MIA74AM091), May 7, 1974: Grumman G-21A (N1048V), St Thomas, VI, substantial damage
- [NTSB MIA740KT73](https://openairdocs.org/ntsb/MIA740KT73), Apr 24, 1974: Grumman G-21A (N86640), Nassau, Burkina Faso, substantial damage
- [NTSB MIA74AM031](https://openairdocs.org/ntsb/MIA74AM031), Oct 13, 1973: Grumman G-21A (N4772C), Christiansted, PR, substantial damage
- [NTSB ANC74AA012](https://openairdocs.org/ntsb/ANC74AA012), Jul 28, 1973: Grumman G-21A (N2845D), Kodiak, AK, substantial damage
- [NTSB MIA73AM075](https://openairdocs.org/ntsb/MIA73AM075), Jan 12, 1973: Grumman G-21A (N8777A), Fredericksted (Atlantic Ocean), substantial damage
- [NTSB LAX72AL071](https://openairdocs.org/ntsb/LAX72AL071), Dec 12, 1971: Grumman G-21 (N11CS), Long Beach, CA, substantial damage
- [NTSB MIA72IM024](https://openairdocs.org/ntsb/MIA72IM024), Sep 4, 1971: Grumman G-21A (N4762C), St.Croix, VI, incident, no damage
- [NTSB NYC72AN016](https://openairdocs.org/ntsb/NYC72AN016), Jul 30, 1971: Grumman G-21A (N101LH), Greenville, ME, destroyed, 1 fatal
- [NTSB LAX72AL009](https://openairdocs.org/ntsb/LAX72AL009), Jul 30, 1971: Grumman G-21A (N11CS), Avalon, CA, substantial damage
- [NTSB LAX72AL009](https://openairdocs.org/ntsb/LAX72AL009), Jul 30, 1971: Grumman G-21A (N13CS), Avalon, CA, substantial damage
- [NTSB MIA71AM114](https://openairdocs.org/ntsb/MIA71AM114), Jun 18, 1971: Grumman G-21A (N703A), Culebra Island, PR, destroyed, 2 fatal
- [NTSB MIA71OM109](https://openairdocs.org/ntsb/MIA71OM109), Jun 6, 1971: Grumman G-21A (N1621A), Fish Cay, Burkina Faso, substantial damage
- [NTSB MIA71AM100](https://openairdocs.org/ntsb/MIA71AM100), May 23, 1971: Grumman G-21A (N8777A), Charlotte Amal, VI, substantial damage

All 76: https://openairdocs.org/model/grumman-g-21a/ntsb.md

## FAA accident and incident reports (62, newest 50)

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 20140617008759A](https://openairdocs.org/incident/20140617008759A), Jun 17, 2014: Grumman G-21A (N888GG), Sula, MT, Destroyed, 1 fatal. On 17 June 2014 at approximately 1730 MDT a twin engine, Grumman G-21A N888GG, crashed enroute from salmon Idaho to hamilton mt under unknown circumstances.…
- [Incident 20090124024989I](https://openairdocs.org/incident/20090124024989I), Jan 24, 2009: Grumman G-21A (N985R), Unalaska, AK, Minor damage. Tailwheel either failed to extend or collapsed on landing on runway 12 at Dutch Harbor. Pilot elected to taxi clear of the runway because an aircraft was on…
- [Accident 20080409831909A](https://openairdocs.org/incident/20080409831909A), Apr 9, 2008: Grumav G21A (N741), Unalaska, AK, Substantial damage. (-23) At approximately 1630 adt on April 9, 2008, a Grumman goose (G-21A), N741, operated by peninsula airways under 14 CFR part 135 as a commuter, flight…
- [Accident 20080129831379A](https://openairdocs.org/incident/20080129831379A), Jan 29, 2008: Grumav G21A (N21A), Marathon, FL, Destroyed. (-23) Aircraft impacted the ocean causing it to flip. Aircraft was destroyed during the landing attempt.
- [Accident 20070624012999A](https://openairdocs.org/incident/20070624012999A), Jun 24, 2007: Grumav G21A (N7811), Dutch Harbor, AK, Substantial damage. (-23) Received a written statement from the airman with the following information: during the takeoff roll with the tail in the air, I believe we got a rough…
- [Accident 20050215009529A](https://openairdocs.org/incident/20050215009529A), Feb 15, 2005: Grumav G21A (N327), Penn Yan, NY, Destroyed. (-23) On February 15, 2005 at 0931 EST, a Grumman G-21A aircraft bearing registration number N327 and registered to jetcraft corporation of north caroline,…
- [Accident 20040404006449A](https://openairdocs.org/incident/20040404006449A), Apr 4, 2004: Grumav G21A (N22932), Unalaska, AK, Substantial damage. (-23) The flying pilot at the time of the accident was the second-in-command (SIC), [privacy data omitted]. [privacy data omitted] Had received a 14 CFR, part…
- [Accident 20020617011549A](https://openairdocs.org/incident/20020617011549A), Jun 17, 2002: Grumav G21 (N21A), Northway, AK, No damage. (.19) On June 17, 2002, about 1204 Alaska daylight time, an amphibious Grumman goose G-21 airplane, N21A, sustained substantial damage during landing at the…
- [Accident 19990325017249A](https://openairdocs.org/incident/19990325017249A), Mar 25, 1999: Grumav G21A (N5548A), Ft Lauderdale, FL, Destroyed, 1 fatal. (.19) On March 25, 1999, about 1139 eastern daylight time, a Grumman G-21A, N5548A, registered to tropic bird holdings inc., operating as a 14 CFR part 135…
- [Incident 19980809037019I](https://openairdocs.org/incident/19980809037019I), Aug 9, 1998: Grumav G21A (N327), Bremerton, WA, Minor damage. (-5) Left main landing gear collapsed on landing at Bremerton, WA. Torque tube 12605-1 sheared at splines. Minor damage to aircraft. No injuries.
- [Incident 19980522019009I](https://openairdocs.org/incident/19980522019009I), May 22, 1998: Grumav G21A (N7811), Akhiok, AK, Minor damage. Landed ampibian in water during taxi onto beach wind gust lifted wing. Angled into a ditch. Damaged wing tip.
- [Accident 19980415006889A](https://openairdocs.org/incident/19980415006889A), Apr 15, 1998: Grumav G21 (N22932), Unalaska, AK, Substantial damage. Unable land amphibian at dut. Landed on wataer to await clearing. Porpoised on a swell damaged horizontal stabilize. (From .4) the pilot landed the seaplane in…
- [Incident 19960505021829I](https://openairdocs.org/incident/19960505021829I), May 5, 1996: Grumav G21A (N703), Anchorage, AK, Minor damage. Narrative: after landing, during rollout, left main gear failed and folded. A/c slid 675 feet on rwy centerline. Minor damage to the bottom of a/x and left…
- [Accident 19941011034269A](https://openairdocs.org/incident/19941011034269A), Oct 11, 1994: Grumav G21 (N7251), Haines, AK, Substantial damage, 2 fatal. Crashed en route.
- [Accident 19940722048709A](https://openairdocs.org/incident/19940722048709A), Jul 22, 1994: Grumav G21A (N327), Bremerton, WA, Substantial damage. Lost directional control and over compensated the amphibious tail wheel craft. Collapsed gear. Damaged wing spar.
- [Accident 19940321006189A](https://openairdocs.org/incident/19940321006189A), Mar 21, 1994: Grumav G21 (N741), Gustauvs, AK, Substantial damage. Aircraft crashed after encountering downdraft. (-4)the state-operated amphibian was unable to outclimb rising terrain and impacted the margerie glacier, coming…
- [Incident 19930107000249I](https://openairdocs.org/incident/19930107000249I), Jan 7, 1993: Grumav G21A (N22932), Akutan, AK, Minor damage. On water landing pilot reported wind gust. Bounced. Aircraft then hit water with left wing low. Float broke off.
- [Accident 19921215050329A](https://openairdocs.org/incident/19921215050329A), Dec 15, 1992: Grumav G21A (N3116T), West Caicos, UK, Substantial damage. Flying out to pick up passengers from a dive boat. Crashed while attempting to land. Sank in water.
- [Incident 19920429017839I](https://openairdocs.org/incident/19920429017839I), Apr 29, 1992: Grumav G21A (N5548A), Jacksonville, FL, Minor damage. On ferry flight pilot cranked landing gear down. Gear showed down and locked. Right gear collapsed on rollout.
- [Incident 19910802039529I](https://openairdocs.org/incident/19910802039529I), Aug 2, 1991: Grumav G21A (N641), Kodiak, AK, Minor damage. Left gear collapsed on landing. Shear pin had sheared causing gear collapse.
- [Incident 19910730047489I](https://openairdocs.org/incident/19910730047489I), Jul 30, 1991: Grumav G21 (N600ZE), Oshkosh, WI, Minor damage. Left main landing gear collapsed on landing rollout.
- [Accident 19900629023119A](https://openairdocs.org/incident/19900629023119A), Jun 29, 1990: Grumav G21 (N7811), King Salmon, AK, Substantial damage. Lost control landing in a crosswind and veered off runway. Tried to go around too late,jumped ditch,hit embankment
- [Accident 19900616021249A](https://openairdocs.org/incident/19900616021249A), Jun 16, 1990: Grumav G21A (N86640), Long Beach, CA, Substantial damage. Elevator turnbuckle failed from corrosion. No current airworthy inspection. Pilot not current in type. No medical.
- [Incident 19881009059719I](https://openairdocs.org/incident/19881009059719I), Oct 9, 1988: Grumav G21A (N69263), Avalon, CA, Minor damage. Ascending a ramp at low tide, seaplane hit rock which entered brake assembly. Lost brakes and hit ramp with hull.
- [Incident 19870818054509I](https://openairdocs.org/incident/19870818054509I), Aug 18, 1987: Grumav G21A (N69263), Avalon, CA. Engine seized during water takeoff run. Master rod had broken.
- [Incident 19870728040209I](https://openairdocs.org/incident/19870728040209I), Jul 28, 1987: Grumav G21A (N1257A), Avalon, CA, Minor damage. During taxi after a water landing a speedboat struck the aircrafts right float and fuselage.
- [Accident 19870706031969A](https://openairdocs.org/incident/19870706031969A), Jul 6, 1987: Grumav G21A (N322), Big Spring, TX, Substantial damage. Fuel imbalance prior to total fuel exhaustion. Landed wheel up and nosed over. Fuel gauges difficult to read.
- [Incident 19870402014799I](https://openairdocs.org/incident/19870402014799I), Apr 2, 1987: Grumav G21A (N1257A), Long Beach, CA, Minor damage. One main gear remained up, the other down. Landed beside runway, gear box drive flange had sheared.
- [Incident 19870121004319I](https://openairdocs.org/incident/19870121004319I), Jan 21, 1987: Grumav G21A (N1257A), Avalon, CA, Minor damage. Amphibian was troughing the landing when a secondary swell caused sideload on float actuator.
- [Incident 19861107072769I](https://openairdocs.org/incident/19861107072769I), Nov 7, 1986: Grumav G21A (N22932), Kodiak, AK, Minor damage. During turn wing float submerged and float attachment fitting broke. Float separated and aircraft capsized.
- [Incident 19851204068709I](https://openairdocs.org/incident/19851204068709I), Dec 4, 1985: Grumav G21A (N641), Cold Bay, AK, Minor damage. Damage to wingtip float of amphibious aircraft during landing. Gear would not extend. Worn gear box assembly failed
- [Incident 19850820047709I](https://openairdocs.org/incident/19850820047709I), Aug 20, 1985: Grumav G21A (N327), Sitka, AK. Engine shutdown in flight due to excessive oil leak. Cause not reported.
- [Incident 19840910058369I](https://openairdocs.org/incident/19840910058369I), Sep 10, 1984: N322, Niwot, CO, Minor damage. Residence roof and vehicle damaged by a large piece of blue ice. Beleived to be from a leaky aircraft waste system.
- [Incident 19820703046119I](https://openairdocs.org/incident/19820703046119I), Jul 3, 1982: Gruman G21A (N95467), Dutch Harbor, AK, Minor damage. Making a water landing the aircraft snubbed and porpoised. Float jackscrew went thru top of wing.
- [Accident 19820220004929A](https://openairdocs.org/incident/19820220004929A), Feb 20, 1982: Gruman G21A (N2845D), Cape Yakataga, AK, Destroyed. Both engine quit en route over water. Ditched in heavy sea. Rescued. Airplane sank. Suspect fuel problem.
- [Accident 19800821037279A](https://openairdocs.org/incident/19800821037279A), Aug 21, 1980: Gruman G21A (N3282), Karluk, AK, Substantial damage. Hull of amphibian struck bottom during water taxi. Airplane was loaded over gross weight.
- [Accident 19800720040909A](https://openairdocs.org/incident/19800720040909A), Jul 20, 1980: Gruman G21A (N9750Z), Juneau, AK, Substantial damage. Encountered fog bank after VFR departure. Made hard water landing, beached amphibian. Impact bent wings and hull.
- [Incident 19800708060079I](https://openairdocs.org/incident/19800708060079I), Jul 8, 1980: Gruman G21A (N9750Z), Juneau, AK, Minor damage. While taxiing from parking, aircraft struck the wing of a parked airplane.
- [Accident 19800326028199A](https://openairdocs.org/incident/19800326028199A), Mar 26, 1980: Gruman G21A (N87U), Karluk, AK, Substantial damage. Engines failed to respond evenly on step taxi after landing. Swerved onto beach. Fuel grade used invites carb ice.
- [Accident 19790917036239A](https://openairdocs.org/incident/19790917036239A), Sep 17, 1979: Gruman G21A (N22932), Catalina Island, CA, Substantial damage, 1 fatal. Elevator control cable parted just after liftoff. Amphibian hit water, nose down, sank.
- [Incident 19790425025099I](https://openairdocs.org/incident/19790425025099I), Apr 25, 1979: Grumav G21A (N87U), Kodiak, AK, Minor damage. Landing gear retracted only partially. Collapsed on landing. Selector handle loose from the pall shaft.
- [Accident 19790414017119A](https://openairdocs.org/incident/19790414017119A), Apr 14, 1979: Gruman G21 (N11CS), Avalon, CA, Destroyed, 1 fatal. Pilot attempting go around dug wing tip into water and crashed. Low fog over water.
- [Incident 19790307018879I](https://openairdocs.org/incident/19790307018879I), Mar 7, 1979: Grumav G21A (N22932), Long Beach, CA, Minor damage. Left engine quit, right engine ran intermittently during takeoff. Probable fuel cell design problem plus line clog.
- [Incident 19781223021139I](https://openairdocs.org/incident/19781223021139I), Dec 23, 1978: Gruman G21A (N322), Long Beach, CA. One engine quit, then the other. Pilot changed tanks, started one, continued. Fuel on/off valve installed wrong.
- [Accident 19781111041029A](https://openairdocs.org/incident/19781111041029A), Nov 11, 1978: Gulstm JRF2 (N95467), Akutan Bay, AK, Substantial damage. Gusts to 30 knts. A/c collided with ships buoy.
- [Accident 19781105044279A](https://openairdocs.org/incident/19781105044279A), Nov 5, 1978: Gulstm JRF2 (N74676), St Croix U.S.V., U.S. Virgin Islands, Destroyed. 25RPM flux rptd on l eng previous 3 days of flt.200RPM flux durinimbout-continued flt.
- [Incident 19780902016989I](https://openairdocs.org/incident/19780902016989I), Sep 2, 1978: Gruman G21A (N79901), Roadtown, U.S. Virgin Islands, Minor damage. Seaplane float broke off during landing. Pilot allowed float to submerge at high speed.
- [Accident 19780825043289A](https://openairdocs.org/incident/19780825043289A), Aug 25, 1978: Gruman G21A (N1045), Laboucher Bay, AK, Destroyed, 11 fatal. Aircraft damage and injury index presumed. Four bodies recovered.
- [Incident 19780607044849I](https://openairdocs.org/incident/19780607044849I), Jun 7, 1978: Gruman G21A (N48550), St Thomas, U.S. Virgin Islands, Minor damage. Seaplane taxiing to the ramp after landing collided with small boat which was under power and approached from left.
- [Accident 19780604042639A](https://openairdocs.org/incident/19780604042639A), Jun 4, 1978: Gruman G21A (N323), St.Thomas, U.S. Virgin Islands, Substantial damage. Carb airbox hot air to cold air valve linkage retaining bolt failausing air starvation.

All 62: https://openairdocs.org/model/grumman-g-21a/incidents.md

## Service difficulty reports (26)

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

- [SDR CA150904009](https://openairdocs.org/sdr/CA150904009), May 27, 2015: CONTROL CABLE. FAILED. (CAN) THE PROP GOVERNOR CONTROL CABLE CLAMPS ARE SLIPPING ON ENGINE MOUNT OVER TIME CREATING A SLIGHT DECREASE IN TAKE OFF RPM.
- [SDR CA150417013](https://openairdocs.org/sdr/CA150417013), Apr 15, 2015: CONTROL ARM. BACKED OUT. (CAN) THE ROLL PIN ATTACHING THE CARBURETOR MIXTURE CONTROL ARM TO THE ASSY WAS ABLE TO BACK OUT FAR ENOUGH TO MAKE CONTACT WITH THE MIXTURE STOP. NO SECONDARY 
- [SDR PNSA090102](https://openairdocs.org/sdr/PNSA090102), Jan 24, 2009: BOLT. OUT OF ADJUST. ON LANDING ROLLOUT THE PILOT NOTICED THAT THE TAIL WHEEL HAD COLLAPSED AND THE KEEL AT THE AFT STEP WAS DRAGGING ON THE RUNWAY. THE PILOT TAXIED CLEAR OF THE RU
- [SDR 2006FA0000740](https://openairdocs.org/sdr/2006FA0000740), Aug 4, 2006: EXHAUST DUCT. CRACKED. EXHAUST DUCT ASSY CRACKED AND MISSING PARTS.
- [SDR PNSA051105](https://openairdocs.org/sdr/PNSA051105), Nov 17, 2005: COWLING. DEPARTED. WHILE IN CRUISE FLIGHT THE LT ENGINE COWLING DEPARTED THE AIRCRAFT. THE COWLING'S WAS NOT RECOVERED, FLIGHT WAS OVER WATER. AN UNEVENTFUL LANDING WAS MADE. SINC
- [SDR PNSA050301](https://openairdocs.org/sdr/PNSA050301), Mar 9, 2005: COUPLING. BROKEN. LT MAIN LANDING GEAR WOULD NOT RETRACT OR EXTEND. HUNG UP IN MID TRAVEL. DOVE AIRCRAFT AND PERFORMED SUDDEN PULL UP AND LANDING GEAR WENT TO DOWN AND LOCK POSIT
- [SDR CA050425004](https://openairdocs.org/sdr/CA050425004), Jan 5, 2005: LINK ROD. BROKEN. AIRCRAFT ABORTED TAKEOFF DUE TO ENGINE POWER LOSS. ENGINE SENT FOR REPAIR AND LINK ROD FOR NR 1 CYLINDER DISCOVERED BROKEN AT LINK PIN END. DAMAGE ALSO OBSERVED
- [SDR DXTA200300192](https://openairdocs.org/sdr/DXTA200300192), Nov 29, 2003: CONTROL CABLE. CHAFED. PERFORMED AILERON WING CABLE INSPECTION PER CESSNA ASL560XL-27-12, FOUND CABLES CHAFED/BROKEN BEYOND MANUFACTURER'S LIMITS. REMOVED AND REPLACED LEFT AND RIGHT 
- [SDR CA030609006](https://openairdocs.org/sdr/CA030609006), Jun 7, 2003: ENGINE. CONTAMINATED. (CAN) DURING REGULARLY SCHEDULED MAINTENANCE, METAL WAS FOUND IN THE OIL SCREEN OF THE RT ENGINE IN SUFFICIENT QUANTITY TO NECESSITATE ENGINE REMOVAL.
- [SDR CA030605019](https://openairdocs.org/sdr/CA030605019), May 30, 2003: ENGINE. MAKING METAL. (CAN) DURING REGULAR MAINTENANCE INSPECTION METAL WAS FOUND IN THE OIL SCREEN IN SUFFICIENT QUANTITY TO WARRANT ENGINE REMOVAL.
- [SDR CA020912006](https://openairdocs.org/sdr/CA020912006), Aug 14, 2002: CLAMP. CRACKED. (CAN) PROPELLER EXPERIENCED VIBRATIONS, WENT IN FOR SCHEDULED MAINTENANCE, CRACKED CLAMP WAS FOUND. ALSO BLADES HAD SLIPPED IN CLAMPS. PROPELLER WAS SENT IN FOR
- [SDR CA020821003](https://openairdocs.org/sdr/CA020821003), Aug 14, 2002: CLAMP. CRACKED. (CAN) DURING A SCHEDULED INSPECTION, THE NR 3 REAR BLADE CLAMP WAS FOUND TO HAVE A 2 INCH CRACK ACROSS IT. THE PROPELLER WAS REMOVED AND SENT IN FOR OVERHAUL.
- [SDR CA020808003](https://openairdocs.org/sdr/CA020808003), Jul 23, 2002: CASE. CRACKED. (CAN) DURING ROUTINE MAINTENANCE A 3 INCH CRACK WAS FOUND IN THE FORWARD NOSE CASE STARTING JUST ABOVE THE OIL SUMP AND PROGRESSING UPWARD. THE ENGINE WAS REPLA
- [SDR DHL2001741004](https://openairdocs.org/sdr/DHL2001741004), Mar 27, 2001: WINDSHIELD. FAILED. CAPT WINDSHIELD SHATTERED AT FLIGHT LEVEL 350. ABNORMAL PROCEDURES ACCOMPLISHED. R&R L-1 WINDOW WITH SERVICABLE UNIT PER M/M 56-11-11. A/C OK FOR SERVICE. STATU
- [SDR CA000925034](https://openairdocs.org/sdr/CA000925034), Aug 26, 2000: HOUSING. CRACKED. (CAN) CRACK LINE DEVELOPED AT MIXTURE ADJUSTING LEVER ONE INCH BELOW THE THROTTLE SHAFT AND PROPAGATED IN A HORIZONTAL DIRECTION AROUND THE CIRCUMFERENCE OF THE
- [SDR CA000518001](https://openairdocs.org/sdr/CA000518001), May 3, 2000: CONNECTING ROD. BROKEN. (CAN) CONNECTING RODS FOR NR 8 AND NR 9 CYLINDERS BROKEN.
- [SDR PNSA990704](https://openairdocs.org/sdr/PNSA990704), Jul 31, 1999: CYLINDER. BROKEN. ENGINE BEGAN TO VIBRATE IN CRUISE AND SUBSEQUENTLY LOST OIL PRESSURE. SECURED ENGINE AND LANDED AIRCRAFT. ENGINE REPLACED DUE TO CASE DAMAGE FROM BROKEN CYLINDE
- [SDR PNSA990202](https://openairdocs.org/sdr/PNSA990202), Feb 23, 1999: VALVE. OUT OF POSITION. DURING CLIMB, PILOT NOTICED FUEL WAS NOT BURNING EVENLY FROM BOTH TANKS. UPON SELECTING THE RT TANK (THE FULLEST TANK) BOTH ENGINES LOST POWER. THE FUEL SELECTO
- [SDR CA990223005](https://openairdocs.org/sdr/CA990223005), Feb 16, 1999: BEARING. CRACKED. (CAN) ROUTINE INSPECTION AT OVERHAUL FOUND THE PROPELLER BLADE BEARING CRACKED AND THE BLADE CORRODED AROUND THE SHANK. THE BEARING WAS REPLACED AND THE PROP BL
- [SDR CA980908005](https://openairdocs.org/sdr/CA980908005), Aug 12, 1998: CRANKCASE. CRACKED. (CAN) REMOVAL OF NR 5 CYLINDER, DUE TO LOW COMPRESSION, REVEALED A CIRCUMFERENTIAL CRACK IN THE FORWARD FACE OF THE FORWARD CRANKCASE HALF. NUMEROUS CRYSTALLINE
- [SDR 99ZZZX1872](https://openairdocs.org/sdr/99ZZZX1872), Aug 8, 1998: TORQUE TUBE. FAILED. THE TORQUE TUBE IS DESIGNED TO SHEER IF THE AIRPLANE IS RAISED BY THE GEAR LEGS IN SHALLOW WATER. ONCE THE GEAR IS DOWN, THERE IS VERY LITTLE FORCE ON THE TORQU
- [SDR PNSA980204](https://openairdocs.org/sdr/PNSA980204), Feb 20, 1998: CYLINDER. SEPARATED. LT ENGINE STARTED RUNNING ROUGH AND LOST POWER, RETURNED TO BASE. FOUND CYLINDER SEPARATED FROM CASE. REPLACED ENGINE.
- [SDR PNSA970203](https://openairdocs.org/sdr/PNSA970203), Feb 19, 1997: FLOAT. DAMAGED. DAMAGED RT FLOAT DURING TAXI UP BOAT RAMP.
- [SDR CA960614005](https://openairdocs.org/sdr/CA960614005), Jun 5, 1996: MANIFOLD TAB. BROKE. (CAN) THE SINGLE TAB WHICH ATTACHES THE EXHAUST MANIFOLD TO THE EXHAUST COLLECTOR BROKE. THIS ALLOWED THE MANIFOLD TO ROTATE AND DIRECT ALL THE EXHAUST ON THE R
- [SDR 95ZZZX3461](https://openairdocs.org/sdr/95ZZZX3461), Jun 23, 1995: BUSHING. WORN. AFTER DEPRESSURIZATION OF THE RIGHT MLG SHOCK STRUT FOR SERVICE, EXCESSIVE FREEPLAY WAS NOTED AT THE UPPER AND LOWER DRAG LINK BUSHINGS. WITH THE STRUT PRESSURI
- [SDR 95ZZZX3460](https://openairdocs.org/sdr/95ZZZX3460), Jun 23, 1995: BUSHING. WORN. AFTER DEPRESSURIZATION OF THE RIGHT MLG SHOCK STRUT FOR SERVICE, EXCESSIVE FREEPLAY WAS NOTED AT THE UPPER AND LOWER DRAG LINK BUSHINGS. WITH THE STRUT PRESSURI

## STCs that may be installed (OpenAirDocs) (40)

Approved for this 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 SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc
- [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA39CH](https://openairdocs.org/stc/SA39CH): Installation of an Amphibian Landing Gear Position Advisory System/Laser Gear Advisory System. Wipaire Inc
- [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC
- [STC SA00346SE](https://openairdocs.org/stc/SA00346SE): Installation of Cleveland wheels and a modified Cleveland braking system per Cleveland Wheels & Brakes Drawing 50-83, Revision B, sketches labeled Drawing #1 - #4, and photographs dated may 7, 1996. CAS AeroSolutions LLC
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA11174SC PAGE 1](https://openairdocs.org/stc/SA11174SC%20PAGE%201): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc
- [STC SA00344BO PAGE 1](https://openairdocs.org/stc/SA00344BO%20PAGE%201): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SA02153LA-D PAGE 1](https://openairdocs.org/stc/SA02153LA-D%20PAGE%201): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc
- [STC SA6070NM](https://openairdocs.org/stc/SA6070NM): Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown. West Coast Air Creations
- [STC SA01282NY](https://openairdocs.org/stc/SA01282NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830. Airwolf Filter Corporation
- [STC SA02212AK](https://openairdocs.org/stc/SA02212AK): Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems. Seaplanes North LLC
- [STC SA00382BO](https://openairdocs.org/stc/SA00382BO): Installation of Globalstar Antenna and Cradle provisions to support a Globalstar GPS-1700 in non-composite airplanes. Avidyne Corporation
- [STC SA02428SE](https://openairdocs.org/stc/SA02428SE): Installation of an Air Stream Switch for an electric time recording device on non-pressurized aircraft. Henry F Rogers/David E Polley
- [STC SA00343BO](https://openairdocs.org/stc/SA00343BO): Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved release). Avidyne Corporation
- [STC SA00352BO PAGE 1](https://openairdocs.org/stc/SA00352BO%20PAGE%201): Installation of an Avidyne Corporation Mode A/C/S Transponder with ADS-B Out capability, Model AXP340 loaded with Version 3.13 software (or later FAA approved version),. Avidyne Corporation
- [STC SA02119SE PAGE 1](https://openairdocs.org/stc/SA02119SE%20PAGE%201): Installation of Garmin GDL 88 ADS-B UAT Transceiver System. Garmin International Inc
- [STC SA00478CH](https://openairdocs.org/stc/SA00478CH): Installation of Cooper Superflite 102 Fabric. Aviation Products Systems Inc
- [STC SA02442AK PAGE 1](https://openairdocs.org/stc/SA02442AK%20PAGE%201): Approval of the L-3 Communications NGT 2000/2500 ADS-B system. ADS-B Technologies, LLC
- [STC SA02121SE](https://openairdocs.org/stc/SA02121SE): Installation of Garmin GTS 825 (TAS) or GTS 855 (TCAS I) Traffic System. Garmin International Inc
- [STC SA00432SE](https://openairdocs.org/stc/SA00432SE): Installation of EGT 701 series fuel flow instrument. J P Instruments
- [STC SA00861SE](https://openairdocs.org/stc/SA00861SE): Installation of J.P. Instruments (JPI) fuel flow indicating system. J P Instruments
- [STC SA03148NY](https://openairdocs.org/stc/SA03148NY): The installation of the Latitude Technologies Corporation S100 Tracking System. Latitude Technologies Corporation
- [STC SA02016SE-D](https://openairdocs.org/stc/SA02016SE-D): Installation of Garmin GTS 800, GTS 820 or GTS 850 Traffic System. Garmin International Inc
- [STC SA02018SE-D](https://openairdocs.org/stc/SA02018SE-D): Provisions installation of Garmin GPS/XM Antennas in accordance with FAA Approved Model List (AML) SA02018SE-D, dated January 4, 2011, or later FAA approved revision, and FAA Approved GPS/XM Antenna STC Master Drawing List, Document No.: 005-00638-01, Revision 1 , approved on January 4, 2011, or later FAA approved revision. Garmin International Inc
- [STC ST02540AT-D](https://openairdocs.org/stc/ST02540AT-D): Installation of replacement fuel tank sealant system. FFC Manufacturing
- [STC SA101WE](https://openairdocs.org/stc/SA101WE): Installation of picture window. Atlantic Coast Sea Planes LLC
- [STC SA4-1467](https://openairdocs.org/stc/SA4-1467): Installation of retractable tip floats. Atlantic Coast Sea Planes LLC
- [STC SA8075SW](https://openairdocs.org/stc/SA8075SW): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER). Razorback Fabrics Inc
- [STC SA5714NM](https://openairdocs.org/stc/SA5714NM): Installation of electric propeller deicer kit. Teufel Nursery Inc
- [STC SA96NW](https://openairdocs.org/stc/SA96NW): Installation of Sorm Industries horizontal stabilizer forward support fitting. Sorm Industries
- [STC SA138SW](https://openairdocs.org/stc/SA138SW): Modify models for operation at a maximum gross weight of 9,000 pounds by installing retractable wing tip floats and 24 volt electrical system. Pan Air Corporation
- [STC SA551SW](https://openairdocs.org/stc/SA551SW): Modify Beechcraft C18 cowl to fit Grumman G-21A. Pan Air Corporation
- [STC SA552WE](https://openairdocs.org/stc/SA552WE): Installed Stewart-Warner 47,000 BTU Heater. McKinnon Enterprises Inc
- [STC SA02153LA-D](https://openairdocs.org/stc/SA02153LA-D) (historical): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc
- [STC SA02153LA](https://openairdocs.org/stc/SA02153LA) (historical): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin AT Inc

---
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.