Dehavilland DHC-6
115 on the U.S. register across 6 versions the FAA records separately. Built from 1966 to 1985; half of them date from 1969 or earlier. Nevada has the most (21). 98% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.
About the DHC-6 from the FAA's model table
- Type
- Fixed-wing, multi-engine · Turboprops
- Power
- Turboprop, 2 engines
- Common engines
- P&W Pt6A Ser (26), P&W Canada Pt6A-27 (20), P&W Canada Pt6A-60A (14)
- Seats
- 22 (up to 24 in some versions)
- Maker on the register
- Dehavilland
- Registered
- earliest certificate March 6, 1976; newest August 26, 2026
Where they are owner's state
Nevada21Florida14Texas11Montana11Washington9California9Delaware7Colorado5Utah4New York4North Carolina4Illinois3
Who owns them registrant type
Corporation54 (47%)LLC46 (40%)Government13 (11%)Individual2 (2%)
Versions as the FAA records them · click one to list only those aircraft
When they were built by decade · 29 with no year on file
Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far
Registration status
Valid113 (98%)Sale reported1 (0.9%)Pending1 (0.9%)
Airworthiness certificate class
Standard76 (66%)None on file20 (17%)Multiple7 (6%)Restricted6 (5%)Experimental5 (4%)Special flight permit1 (0.9%)
Biggest operators companies, schools and clubs
Twin Otter International LTD14Ikhana Aircraft Holdings LLC5Desert Sand Aircraft Leasing CO INC5United States Department Of Commerce4Landlocked Company LLC4Twin Otter Support Services LLC3Monarch Enterprises INC3Mec International Trading LLC3Diamond Bar LLC3Win Win Aviation INC2Warren Transportation LLC2Vantage Air CORP2
Fleet pages: Twin Otter International LTD · Ikhana Aircraft Holdings LLC · Desert Sand Aircraft Leasing CO INC · United States Department Of Commerce · Landlocked Company LLC · Monarch Enterprises INC · Mec International Trading LLC · Win Win Aviation INC
Accident history NTSB records · 7 cases since 1982, 2 fatal
2025-06-08ERA25LA222 · DHC-6 TWIN OTTER N166DH · accident near Tullahoma, TN · serious injuries
2025-05-06WPR25LA152 · DHC-6-300 N142SA · accident near Boulder City, NV · no injuries
2024-11-15WPR25LA038 · DHC-6-300 N241SA · accident near Boulder City, NV · no injuries
2015-09-06ERA15LA343 · DHC-6 N181CS · accident near Louisburg, NC · serious injuries
2011-05-21ENG11IA032 · DHC-6-300 N178GC · incident near Peach Springs, AZ · no injuries
2011-03-08ERA11FA183 · DHC-6-100 N157KM · accident near Hampton, GA · 2 killed
2000-12-15LAX01FA059 · DHC-6 N252SA · accident near Sacramento, CA · 1 killed
The 7 most recent of 7 cases where the NTSB's make and model match this family's versions. Rates per registered aircraft, phases of flight and causes are coming with the analytics stage. Each aircraft's own page also shows its record.
Questions people ask answers refresh every morning
How many Dehavilland DHC-6 aircraft are registered in the U.S.?
115 as of October 2, 2026, counting 6 versions the FAA records separately.
Which state has the most Dehavilland DHC-6s?
Nevada, with 21.
Who owns the Dehavilland DHC-6?
98% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are never named on this site.
Aircraft newest certificates first · 59 DHC-6-300 (all versions)
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N905RT | Dehavilland DHC-6-300 |
Oregon Department Of Forestry Salem, Oregon |
Standard | 2026-08-26 | Valid |
| N171GC | Dehavilland DHC-6-300 |
Rigidworks LLC Anaconda, Montana |
Standard | 2026-05-16 | Valid |
| N178GC | Dehavilland DHC-6-300 |
Rigidworks LLC Anaconda, Montana |
Standard | 2026-05-16 | Valid |
| N167WC | Dehavilland DHC-6-300 |
Washington Corporations INC DBA Missoula, Montana |
Standard | 2026-05-15 | Valid |
| N511DH | Dehavilland DHC-6-300 |
Landlocked Company LLC Dover, Delaware |
None on file | 2026-03-31 | Valid |
| N576LL | Dehavilland DHC-6-300 |
Landlocked Company LLC Dover, Delaware |
Standard | 2026-03-31 | Valid |
| N743LL | Dehavilland DHC-6-300 |
Landlocked Company LLC Dover, Delaware |
None on file | 2026-03-31 | Valid |
| N504WJ | Dehavilland DHC-6-300 |
Vantage Air CORP Kalispell, Montana |
Standard | 2026-01-30 | Valid |
| N562CP | Dehavilland DHC-6-300 |
Vantage Air CORP Kalispell, Montana |
Standard | 2026-01-30 | Valid |
| N809LL | Dehavilland DHC-6-300 |
Landlocked Company LLC Dover, Delaware |
None on file | 2025-12-10 | Valid |
| N9295 | Dehavilland DHC-6-300 |
Bank Of Utah Trustee Salt Lake City, Utah |
Standard | 2025-10-09 | Valid |
| N92FE | Dehavilland DHC-6-300 |
Warren Transportation LLC Dallas, Texas |
Standard | 2024-10-09 | Valid |
| N450PP | Dehavilland DHC-6-300 |
J R S Sky INC Pound Ridge, New York |
Standard | 2023-11-03 | Valid |
| N692AR | Dehavilland DHC-6-300 |
N692Ar LLC Kalispell, Montana |
Restricted | 2023-11-01 | Valid |
| N660FY | Dehavilland DHC-6-300 |
Aviation Management Sales LLC Fort Pierce, Florida |
None on file | 2023-10-04 | Valid |
| N660FM | Dehavilland DHC-6-300 |
Aviation Management Sales LLC Fort Pierce, Florida |
None on file | 2023-09-07 | Valid |
| N662AV | Dehavilland DHC-6-300 |
Berry Aviation INC San Marcos, Texas |
Standard | 2023-06-12 | Valid |
| N615AR | Dehavilland DHC-6-300 |
Twin Otter International LTD Las Vegas, Nevada |
Multiple | 2023-02-20 | Valid |
| N224SA | Dehavilland DHC-6-300 |
Ikhana Aircraft Holdings LLC Murrieta, California |
Standard | 2020-10-17 | Valid |
| N808RT | Dehavilland DHC-6-300 |
Ikhana Aircraft Holdings LLC Murrieta, California |
Experimental | 2020-10-17 | Valid |
| N814BC | Dehavilland DHC-6-300 |
Withheld at owner's request | Standard | 2019-10-02 | Valid |
| N403ML | Dehavilland DHC-6-300 |
Dhc6-403 Equity LLC Palm Beach, Florida |
Standard | 2019-07-30 | Valid |
| N368SS | Dehavilland DHC-6-300 |
Sierra Aviation Holdings LLC Colorado Springs, Colorado |
None on file | 2019-07-24 | Valid |
| N434AR | Dehavilland DHC-6-300 |
Twin Otter Support Services LLC Las Vegas, Nevada |
Standard | 2018-10-17 | Valid |
| N241SA | Dehavilland DHC-6-300 |
Diamond Bar LLC Kirkland, Washington |
Standard | 2016-09-23 | Valid |
| N418AV | Dehavilland DHC-6-300 |
Wells Fargo Trust CO Na Trustee Columbia, Maryland |
Standard | 2016-06-07 | Valid |
| N344CS | Dehavilland DHC-6-300 |
Transport Company LLC Colorado Springs, Colorado |
Standard | 2014-06-19 | Valid |
| N189GC | Dehavilland DHC-6-300 |
Cortez Fisher LLC Kirkland, Washington |
Standard | 2014-06-10 | Valid |
| N675BA | Dehavilland DHC-6-300 |
Berry Aviation INC San Marcos, Texas |
Standard | 2013-09-26 | Valid |
| N537AR | Dehavilland DHC-6-300 |
Avro LTD Las Vegas, Nevada |
Restricted | 2012-06-07 | Valid |
| N190GC | Dehavilland DHC-6-300 |
Monarch Enterprises INC Kirkland, Washington |
Standard | 2011-05-13 | Valid |
| N633AR | Dehavilland DHC-6-300 |
Twin Otter Support Services LLC Las Vegas, Nevada |
Multiple | 2011-05-05 | Valid |
| N821AR | Dehavilland DHC-6-300 |
Fairey LTD Las Vegas, Nevada |
Multiple | 2008-12-15 | Valid |
| N142SA | Dehavilland DHC-6-300 |
Monarch Enterprises INC Kirkland, Washington |
Standard | 2007-05-07 | Valid |
| N228SA | Dehavilland DHC-6-300 |
Monarch Enterprises INC Kirkland, Washington |
Standard | 2007-05-07 | Valid |
| N148SA | Dehavilland DHC-6-300 |
Zuni LLC Kirkland, Washington |
Standard | 2007-05-03 | Valid |
| N56RF | Dehavilland DHC-6-300 |
United States Department Of Commerce Lakeland, Florida |
Standard | 2007-05-03 | Valid |
| N365AR | Dehavilland DHC-6-300 |
Twin Otter International LTD Las Vegas, Nevada |
Multiple | 2006-05-03 | Valid |
| N177GC | Dehavilland DHC-6-300 |
Diamond Bar LLC Kirkland, Washington |
Standard | 2005-10-24 | Valid |
| N74GC | Dehavilland DHC-6-300 |
Diamond Bar LLC Kirkland, Washington |
Standard | 2005-10-24 | Valid |
| N359AR | Dehavilland DHC-6-300 |
Twin Otter International LTD Las Vegas, Nevada |
Multiple | 2005-05-19 | Valid |
| N46RF | Dehavilland DHC-6-300 |
United States Department Of Commerce Lakeland, Florida |
Experimental | 2003-11-10 | Valid |
| N225SA | Dehavilland DHC-6-300 |
Twin Otter International LTD Las Vegas, Nevada |
None on file | 2003-08-14 | Valid |
| N823X | Dehavilland DHC-6-300 |
Transport Services LLC Birmingham, Alabama |
Standard | 2002-05-31 | Valid |
| N229SA | Dehavilland DHC-6-300 |
Twin Otter International LTD Las Vegas, Nevada |
None on file | 2001-06-18 | Valid |
| N723AR | Dehavilland DHC-6-300 |
Twin Otter International LTD Las Vegas, Nevada |
Standard | 1999-11-10 | Valid |
| N60619 | Dehavilland DHC-6-300 |
Ssc International INC Las Vegas, Nevada |
None on file | 1999-05-28 | Valid |
| N826X | Dehavilland DHC-6-300 |
Transport Services LLC Birmingham, Alabama |
Standard | 1999-03-26 | Valid |
| N614AR | Dehavilland DHC-6-300 |
Twin Otter International LTD Las Vegas, Nevada |
Restricted | 1996-05-17 | Valid |
| N708PV | Dehavilland DHC-6-300 |
Pm Leasing INC Perris, California |
Standard | 1996-02-02 | Valid |
| N57RF | Dehavilland DHC-6-300 |
United States Department Of Commerce Lakeland, Florida |
Experimental | 1994-06-14 | Valid |
| N515AR | Dehavilland DHC-6-300 |
Twin Otter International LTD Las Vegas, Nevada |
Restricted | 1993-10-29 | Valid |
| N143Z | Dehavilland DHC-6-300 |
Usda Forest Service Fire & Aviation Boise, Idaho |
Standard | 1992-09-14 | Valid |
| N94AR | Dehavilland DHC-6-300 |
Twin Otter International LTD Las Vegas, Nevada |
Multiple | 1987-06-19 | Valid |
| N48RF | Dehavilland DHC-6-300 |
United States Department Of Commerce Lakeland, Florida |
Experimental | 1986-10-20 | Valid |
| N143SA | Dehavilland DHC-6-300 |
Twin Otter International LTD Las Vegas, Nevada |
Standard | 1985-04-25 | Valid |
| N141Z | Dehavilland DHC-6-300 |
Usda Forest Service Boise, Idaho |
Standard | 1984-05-31 | Valid |
| N49SJ | Dehavilland DHC-6-300 |
United States Department Of Interior Boise, Idaho |
Restricted | 1976-03-06 | Valid |
| N807US | Dehavilland DHC-6-300 |
Individual owner Florida |
None on file | Pending |