Vendor, Orlando, FL, part of Signature Aviation Limited
Signature Flight Support LLC
UEI F36BCNU67CL3, CAGE 0W3E3
50,303 awards and $91,779,606 obligated between January 1, 2024 and June 16, 2026, 100% under full and open competition. 3 of the awards trace back to a SAM.gov solicitation on this site.
Sells to
Awarding agencies by dollars.
| Defense Logistics Agency | $91,652,872 |
| Drug Enforcement Administration | $69,518 |
| Department of the Air Force | $57,217 |
Industries
NAICS on the awards, by dollars.
| Petroleum RefineriesNAICS 324110 | $91,710,088 |
| Other Support Activities for Air TransportationNAICS 488190 | $39,680 |
| Other Airport OperationsNAICS 488119 | $29,838 |
How it wins
Awards by competition, set-aside and type.
| Full and Open Competition | 50,240 |
| Competed Under SAP | 62 |
| Not Competed Under SAP | 1 |
| Delivery Order | 50,200 |
| Purchase Order | 63 |
Solicitations it won
SAM.gov opportunities whose award USAspending attributes to this vendor.
- Skyfest 2024 - AVGAS
Department of the Air Force, FA4620 92 Cons LGC
Combined synopsis and solicitationNAICS 324110Anywhere in the USFA462024QA226Awarded to Signature Flight Support LLC
Posted Apr 9, 20243 publications
Awards
The 100 largest of 50,303 awards, by dollars obligated.
| Contract | Awarding office | Described as | Obligated |
|---|---|---|---|
| SPE60726FCY4MDelivery Order, March 26, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571298856!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $453 |
| SPE60724FBTUADelivery Order, February 12, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563654976!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $453 |
| SPE60724FD97CDelivery Order, April 22, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564377836!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $453 |
| SPE60725FCB8NDelivery Order, March 6, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567504901!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $453 |
| SPE60724FFLZBDelivery Order, September 25, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565953891!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $453 |
| SPE60724FC03CDelivery Order, February 20, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563729277!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $453 |
| SPE60724FC942Delivery Order, February 20, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563729124!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $453 |
| SPE60726FBJL6Delivery Order, January 30, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570711101!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $453 |
| SPE60724FC13WDelivery Order, February 20, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563729662!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $453 |
| SPE60724FBJRUDelivery Order, February 5, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563575867!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60724FBMSMDelivery Order, February 7, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563607224!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60726FCFUSDelivery Order, April 6, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571415098!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60725FEWEHDelivery Order, August 10, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569057878!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60726FC3ZWDelivery Order, March 10, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571121114!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60724FEQMCDelivery Order, August 3, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565341218!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60724FCUQ1Delivery Order, March 24, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564075070!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60724FDQAWDelivery Order, June 6, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564845708!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60725FDGLHDelivery Order, May 31, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568402106!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60725FBXV6Delivery Order, January 22, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567028983!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60724FFRY8Delivery Order, September 13, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565809644!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60724FD1UJDelivery Order, April 26, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564422145!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60726FC9YGDelivery Order, March 15, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571167776!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60724FBQMRDelivery Order, February 9, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563622493!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60724FC98CDelivery Order, February 22, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563757841!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60725FCY1VDelivery Order, March 13, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567586101!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60725FCT7UDelivery Order, March 11, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567573842!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60725FE4HCDelivery Order, June 28, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568669080!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60724FD9WHDelivery Order, May 3, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564496946!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60724FFLENDelivery Order, September 24, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565943332!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60725FCC8LDelivery Order, March 6, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567505185!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60724FEY55Delivery Order, July 7, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565088332!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60726FCBZ7Delivery Order, March 26, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571302208!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60726FABHXDelivery Order, November 22, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570083099!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60725FAXQ0Delivery Order, November 3, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566329402!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60725FDFWGDelivery Order, May 30, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568401142!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60724FCFH5Delivery Order, March 20, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564044506!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60726FBTNQDelivery Order, February 21, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570926538!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60724FD5DHDelivery Order, April 30, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564466622!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60725FC1N7Delivery Order, February 14, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567343787!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $452 |
| SPE60725FAXV8Delivery Order, November 3, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566329484!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60726FBB7YDelivery Order, January 20, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570586031!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60726FAE43Delivery Order, October 25, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569842412!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FBYV8Delivery Order, January 29, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563494565!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60726FBNHWDelivery Order, February 17, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570877769!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FC2PEDelivery Order, February 28, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563819636!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FC5CXDelivery Order, March 1, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563835310!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60725FEBREDelivery Order, July 27, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568917237!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60726FBTLGDelivery Order, February 22, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570926423!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60726FBTLJDelivery Order, February 22, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570926443!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FEBY9Delivery Order, July 16, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565180754!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60725FDXTQDelivery Order, June 13, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568553483!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FFF2NDelivery Order, August 29, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565646479!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60725FFS95Delivery Order, August 30, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569281787!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FBZV4Delivery Order, January 29, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563494946!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60725FEUSZDelivery Order, August 8, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569042149!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60725FARKCDelivery Order, November 6, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566505337!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FCZ2BDelivery Order, March 18, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564018364!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60725FBRH5Delivery Order, January 16, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566980357!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FBHW6Delivery Order, January 21, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563418451!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60725FEFR5Delivery Order, July 18, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568840390!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60725FE8JBDelivery Order, June 29, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568712263!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60726FDE9VDelivery Order, May 19, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571900500!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60726FDL8ADelivery Order, May 20, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571913996!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60726FDL8BDelivery Order, May 20, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571913977!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60726FDM9DDelivery Order, May 21, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571921819!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60726FDQ8HDelivery Order, May 22, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571924656!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FCTU7Delivery Order, March 23, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564062292!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60726FB74VDelivery Order, December 26, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570360406!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60725FF0PRDelivery Order, August 20, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569182649!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FD4S2Delivery Order, April 23, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564391791!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60725FCHNTDelivery Order, March 29, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567738936!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60725FDJ3LDelivery Order, May 9, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568206853!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60726FAMWFDelivery Order, December 8, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570228426!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FCPDWDelivery Order, April 7, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564207230!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60725FD4N9Delivery Order, April 22, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568015221!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60725FDD76Delivery Order, May 2, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568126159!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FFS6QDelivery Order, September 4, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565714660!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FCBBKDelivery Order, March 27, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564111594!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FFW8WDelivery Order, September 6, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565718505!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $451 |
| SPE60724FBAP9Delivery Order, January 19, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563391199!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60724FBAQ0Delivery Order, January 19, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563391214!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60725FEQQZDelivery Order, August 6, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569025572!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60724FFX2GDelivery Order, September 6, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565718623!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60724FBZQHDelivery Order, February 15, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563697071!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60725FEA6QDelivery Order, July 9, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568758251!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60725FC3XHDelivery Order, February 25, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567396398!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60726FCN0FDelivery Order, March 23, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571258780!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60724FD3MDDelivery Order, April 28, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564438286!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60724FD3MEDelivery Order, April 28, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564438310!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60724FFRT4Delivery Order, September 12, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565806852!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60724FBE7JDelivery Order, January 9, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563299944!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60726FC8Y4Delivery Order, March 6, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571068536!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60725FBBTJDelivery Order, January 24, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567043907!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60725FE4DKDelivery Order, June 28, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568668933!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60726FCUG2Delivery Order, March 31, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571357796!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60725FD9D2Delivery Order, April 23, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568029841!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60725FCM7JDelivery Order, March 7, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567540761!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60725FBT7KDelivery Order, January 9, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566896349!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60725FA5B2Delivery Order, October 4, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566031667!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
| SPE60726FBUBUDelivery Order, February 23, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570942787!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $450 |
- Places of performance
- FloridaHawaiiWashingtonUtahSouth Carolina
- Product and service codes
- 9130 Liquid Propellants and Fuels, Petroleum Base4930 Lubrication and Fuel Dispensing EquipmentX1BZ Lease/Rental Of Other Airfield Structures
- Transactions
- 50,341 across 50,303 awards