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 |
|---|---|---|---|
| SPE60726FCCZ5Delivery Order, March 27, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571302533!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60724FF4GYDelivery Order, August 20, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565538428!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60726FC2AGDelivery Order, March 8, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571088576!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60726FB0LQDelivery Order, January 7, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570446644!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60725FCUVUDelivery Order, April 9, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567876489!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60725FCYKZDelivery Order, April 12, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567894391!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60726FB1A4Delivery Order, December 30, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570383203!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60724FCQ0JDelivery Order, March 14, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563984290!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60724FCS5HDelivery Order, March 15, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563987334!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60725FDMFRDelivery Order, June 4, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568465089!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60725FF2SSDelivery Order, August 22, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569198067!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60726FC4RSDelivery Order, March 10, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571121642!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60725FB96SDelivery Order, December 5, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566641658!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60725FF8QEDelivery Order, August 27, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569263659!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60725FETLPDelivery Order, August 7, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569038856!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60725FFBAEDelivery Order, September 16, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569530313!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60725FE2SGDelivery Order, June 27, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568667477!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60724FFGUKDelivery Order, September 20, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565896871!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60725FBX6BDelivery Order, January 11, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566899376!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60726FBUBSDelivery Order, February 23, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570942803!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60724FDXAZDelivery Order, June 10, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564900739!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60726FBET0Delivery Order, January 31, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570705453!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $548 |
| SPE60725FF4ENDelivery Order, August 22, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569200122!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60725FCMTQDelivery Order, April 1, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567797550!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60725FAPN4Delivery Order, October 29, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566308434!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60726FAPXRDelivery Order, December 10, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570259285!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60724FDSG4Delivery Order, May 21, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564705062!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60724FDNFSDelivery Order, June 5, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564831377!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60725FC8ZMDelivery Order, February 28, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567428146!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60724FE4LWDelivery Order, June 26, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565023175!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60725FBN4BDelivery Order, January 7, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566876228!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60724FF3Q5Delivery Order, August 15, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565485136!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60725FA38YDelivery Order, October 2, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566018556!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60725FB48EDelivery Order, December 3, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566617045!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60724FCR94Delivery Order, March 8, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563911531!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60724FEFXXDelivery Order, July 29, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565298208!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60726FCCR7Delivery Order, March 27, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571302436!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60726FCK9SDelivery Order, March 22, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571243322!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $547 |
| SPE60725FDVJUDelivery Order, June 10, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568536056!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60726FCWXLDelivery Order, April 20, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571571171!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60724FC13VDelivery Order, February 20, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563729682!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60724FFT5QDelivery Order, September 2, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565715004!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60726FAW7TDelivery Order, November 7, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569957972!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60725FA6UGDelivery Order, October 12, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566093452!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60725FA6VFDelivery Order, October 12, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566093508!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60725FDMS0Delivery Order, May 19, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568313204!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60725FF9Q0Delivery Order, August 20, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569182130!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60725FESKADelivery Order, August 7, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569038087!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60724FDMBMDelivery Order, June 4, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564818390!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60725FFLHEDelivery Order, September 26, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569616778!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60726FD15JDelivery Order, April 24, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571618205!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60725FEBW0Delivery Order, July 17, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568836647!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60725FEW5ADelivery Order, July 10, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568825038!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60726FAZD1Delivery Order, October 30, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570079721!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60726FDAPTDelivery Order, June 6, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4572085817!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60726FDX4ZDelivery Order, May 27, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571963891!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60725FFT6JDelivery Order, September 8, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569384096!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60726FBAFBDelivery Order, February 7, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570764809!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60724FEF2RDelivery Order, July 9, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565113258!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60725FCKCQDelivery Order, March 31, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567768808!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $546 |
| SPE60724FF872Delivery Order, August 12, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565442723!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60725FDJ30Delivery Order, May 3, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568127168!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60724FD8YKDelivery Order, May 2, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564493771!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60724FCHATDelivery Order, April 2, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564161742!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60725FEM12Delivery Order, July 8, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568745942!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60726FBLC9Delivery Order, January 31, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4570713770!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60726FCNZZDelivery Order, April 12, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571468632!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60726FCPAADelivery Order, April 12, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571468637!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60724FFQ0EDelivery Order, September 4, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565700967!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60726FDB2SDelivery Order, May 17, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571872817!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60725FDYK4Delivery Order, May 23, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568350187!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60725FCRXTDelivery Order, April 7, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4567847808!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60725FF5BNDelivery Order, August 24, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569215766!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60724FEWY8Delivery Order, July 23, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565245099!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60725FE2GDDelivery Order, June 26, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568664420!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60725FE2GGDelivery Order, June 26, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568664408!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60725FE3FKDelivery Order, June 27, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568667836!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60724FCSLZDelivery Order, April 10, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564250587!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60724FBLS3Delivery Order, January 23, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563437335!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60724FFEECDelivery Order, September 19, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565892930!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60726FDBU9Delivery Order, May 28, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571982528!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60725FD8AZDelivery Order, April 30, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568109883!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60724FFCY1Delivery Order, September 9, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565754809!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60726FCMNRDelivery Order, April 10, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571448005!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60724FFHHPDelivery Order, September 21, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565897909!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60726FDR5MDelivery Order, May 21, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571924844!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60724FEX4SDelivery Order, July 9, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565168013!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60726FDRA4Delivery Order, June 3, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4572038957!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $545 |
| SPE60725FECZ5Delivery Order, July 17, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568837020!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $544 |
| SPE60725FEC1KDelivery Order, July 10, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568768771!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $544 |
| SPE60725FFH5JDelivery Order, September 4, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4569346919!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $544 |
| SPE60725FAYQ6Delivery Order, November 3, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566329737!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $544 |
| SPE60725FA6XNDelivery Order, October 12, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4566099699!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $544 |
| SPE60724FCWZKDelivery Order, April 15, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564299922!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $544 |
| SPE60724FCZEUDelivery Order, April 16, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4564314959!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $544 |
| SPE60724FERTVDelivery Order, August 5, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4565367687!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $544 |
| SPE60725FEE97Delivery Order, July 6, 2025, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4568725244!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $544 |
| SPE60726FCMP9Delivery Order, January 28, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571335600!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $544 |
| SPE60724FC6N6Delivery Order, February 25, 2024, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4563775892!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $544 |
| SPE60726FDF8HDelivery Order, May 19, 2026, Full and Open Competition | DLA EnergyDefense Logistics Agency | 4571900780!turbine Fuel,aviation, JaaNAICS 324110, PSC 9130 | $544 |
- 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