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 324110Fairchild AFB, WAFA462024QA226Awarded 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 |
|---|---|---|---|
| SPE60726FAULZDelivery Order, December 13, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570275228!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60725FDR44Delivery Order, May 5, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568161681!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60726FDS3CDelivery Order, May 24, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571928864!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60726FC3XWDelivery Order, March 9, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571121017!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60726FDDX0Delivery Order, May 29, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571983168!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60726FC0Y2Delivery Order, March 3, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571037429!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60724FBJQUDelivery Order, February 5, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563575828!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60725FB5RVDelivery Order, December 13, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566723550!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60725FE3FJDelivery Order, June 27, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568667848!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60725FDCWHDelivery Order, May 28, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568389153!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60725FEJH6Delivery Order, July 19, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568841509!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60724FBPFYDelivery Order, February 8, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563619625!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60725FF1F8Delivery Order, August 17, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569137423!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60724FE9QQDelivery Order, July 1, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565060264!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60724FCFJ7Delivery Order, March 20, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564044497!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60725FERYNDelivery Order, August 4, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569037790!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60725FAU6YDelivery Order, October 24, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566228942!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60725FC7R8Delivery Order, February 21, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567347358!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60726FCPA3Delivery Order, March 31, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571344156!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60725FFH5QDelivery Order, September 4, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569347000!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60724FCL2MDelivery Order, March 13, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563972977!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60725FCX3SDelivery Order, March 12, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567585868!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60724FBGNHDelivery Order, February 1, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563540931!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $528 |
| SPE60726FCPBWDelivery Order, April 13, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571485737!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FCPCADelivery Order, April 13, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571485722!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FCPHUDelivery Order, April 2, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571485917!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FCQHYDelivery Order, April 14, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571500165!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FCVSPDelivery Order, April 16, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571543796!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FCVSQDelivery Order, April 16, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571543768!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FCVTVDelivery Order, April 15, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571543869!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FCUAYDelivery Order, April 16, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571530155!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FC75SDelivery Order, March 2, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571021912!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60725FCGHSDelivery Order, March 28, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567737517!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60724FEL9FDelivery Order, July 11, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565136378!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60724FENAVDelivery Order, August 1, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565335843!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FCW6KDelivery Order, March 25, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571284737!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FDFV4Delivery Order, January 23, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571998352!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60725FBY8ADelivery Order, January 11, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566916352!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60724FDCJ3Delivery Order, May 16, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564642828!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60724FCKW9Delivery Order, March 21, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564056105!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60724FEYWCDelivery Order, August 10, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565412272!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FC8GNDelivery Order, March 13, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571151551!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FC8GSDelivery Order, March 13, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571151564!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FB3ZUDelivery Order, January 10, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570462390!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60725FDFH5Delivery Order, May 16, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568280647!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60725FDX8HDelivery Order, April 29, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568263852!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60725FDY1GDelivery Order, May 14, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568263944!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60725FFC2KDelivery Order, September 3, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569332380!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60724FFGKXDelivery Order, September 20, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565896594!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FCDEBDelivery Order, April 5, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571384922!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FC2AHDelivery Order, March 8, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571088578!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FC9EFDelivery Order, March 13, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571152185!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $527 |
| SPE60726FDVH4Delivery Order, June 5, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4572056329!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60725FEJMHDelivery Order, August 1, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568968707!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60725FDJQ9Delivery Order, May 17, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568297475!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60726FBXJ5Delivery Order, February 6, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570763364!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60725FFEBYDelivery Order, September 21, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569550782!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60724FDMNYDelivery Order, June 5, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564830847!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60725FDLPRDelivery Order, June 4, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568464407!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60724FC349Delivery Order, February 18, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563702668!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60725FENX2Delivery Order, July 20, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568865619!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60726FB0HWDelivery Order, January 7, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570446522!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60726FC6GZDelivery Order, March 11, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571133520!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60725FCWB7Delivery Order, March 20, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567660725!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60726FBH6VDelivery Order, January 22, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570614545!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60724FE2D1Delivery Order, June 20, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564968842!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60726FCT18Delivery Order, March 17, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571211030!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60724FBVEZDelivery Order, February 13, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563668750!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60726FAYMUDelivery Order, December 4, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570325265!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60725FD8E5Delivery Order, April 23, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568029502!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60725FFUT1Delivery Order, September 17, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569515748!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60725FE6C4Delivery Order, June 23, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568630807!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60724FFLJADelivery Order, September 23, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565943435!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60725FDCKMDelivery Order, May 28, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568388803!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $526 |
| SPE60725FEBFXDelivery Order, July 26, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568902635!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60726FCCF9Delivery Order, March 27, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571302286!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60726FB6VUDelivery Order, January 13, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570518382!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60725FDY1CDelivery Order, May 14, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568263940!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60725FCRQUDelivery Order, April 6, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567830476!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60725FBDBVDelivery Order, January 26, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567060938!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60725FAN2PDelivery Order, October 23, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566200389!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60725FEZWKDelivery Order, August 12, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569087589!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60724FFGKSDelivery Order, September 20, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565896638!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60724FFGKVDelivery Order, September 20, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565896697!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60725FB5ZGDelivery Order, December 12, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566723794!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60724FC3FSDelivery Order, February 25, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563831142!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60725FENAJDelivery Order, August 4, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568999128!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60724FBS55Delivery Order, January 5, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563253880!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60726FAX3GDelivery Order, November 8, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569958558!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60725FDD79Delivery Order, May 2, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568126147!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60725FBNTADelivery Order, February 3, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567159174!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60726FCVHZDelivery Order, April 18, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571535684!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60726FDWB1Delivery Order, June 5, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4572056621!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60726FAULYDelivery Order, December 13, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570275218!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60726FCJX9Delivery Order, March 30, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571331532!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60724FF4KRDelivery Order, August 21, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565552524!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60725FEZR9Delivery Order, July 25, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568901063!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60725FAL15Delivery Order, October 17, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566152176!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60724FD3QGDelivery Order, April 28, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564438322!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
| SPE60724FDCDVDelivery Order, May 28, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564744689!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $525 |
- 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