- ExxonMobil announced Mobil Jet Oil 387 approved for use in Rolls-Royce M250 and RR300 engines which are most commonly found in helicopters exxonmobil.com
- SpaceX won NASA contract to develop system for landing astronauts on the moon bloomberg.com   nasa.gov pdf
- Scientists released first image of black hole in galaxy M87 (April 2019) using Event Horizon Telescope. Now data from 19 observatories (ground and space) are being released that promise to give unparalleled insight into this supermassive black hole and the system it powers. Observations could also help improve tests of Einstein General Theory of Relativity jpl.nasa.gov

- NASA Commercial Crew Program - Latest Blog Post blogs.nasa.gov

- Monterey Bay Aquarium MontereyBayAquarium.org
- Asilomar State Beach on Monterey Peninsula in city of Pacific Grove parks.ca.gov
- Tin City industrial makers market for craft wine, beer, spirits, more TinCityPasoRobles.com Calif

- US Army University Press Mar-Apr 2021- Unmanned aircraft systems (UAS) present threats to US Army armyupress.army.mil
   Military Review armyupress.army.mil
- Robinson Helicopter Newsletters, Torrance, Calif robinsonheli.com

Plan for Spring Wildflower, with social distance, mask
- Santa Monica Mountains, Southern California. Historical and cultural sites, from old movie ranches to Native American centers nps.gov
- Anza-Borrego Desert Calif State Park wildflower locations and directions, parks.ca.gov
- Angeles National Forest special places, Southern Calif fs.usda.gov

- USAF Schedule F-22 Demonstration Team acc.af.mil

- USAF HH-60W Jolly Green II helicopter completed developmental test program, photos af.mil
- Airbus Helicopters received EASA certification for power upgrade of single-engine H125 helicopter airbus.com
- Airbus Helicopter innovation project - Assembly of Racer high-speed demonstrator has begun following arrival of centre fuselage section airbus.com
- NTSB determined probable cause of accident was pilot failure to properly manage B17G. Pilot failure to properly manage airplane configuration and airspeed after he shutdown No.4 engine following its partial loss of power during the initial climb. Contributing to the accident was the pilot/maintenance director inadequate maintenance while the airplane was on tour, which resulted in the partial loss of power to Nos.3 and 4 engines; Collings Foundation ineffective safety management system (SMS), which failed to identify and mitigate safety risks; and FAA inadequate oversight of Collings Foundation SMS ntsb.gov pdf
- MD 369E helicopter Incident, Damage None, made emergency landing at golf course, Atlanta, Georgia faa.gov
- NASA Launch Services Program added United Launch Alliance nextGen rocket Vulcan Centaur to NASA Launch Services II ulalaunch.com prnewswire.com

- FAA superseding AD 2019-12-09 for certain Rockwell Collins FDSA-6500 flight display system applications installed on airplanes. AD 2019-12-09 imposed operating limitations on the traffic collision avoidance system (TCAS). AD 2019-12-09 was prompted by conflict between TCAS display indications and aural alerts that may occur during a resolution advisory (RA) scenario. This AD retains requirements of AD 2019-12-09 until a software upgrade is completed. AD effective April 29, 2021 faa.gov

- US Army Flier, Fort Rucker, Sergeant Major of the Army visits Fort Rucker, talks quality of life, Mar 2021 army.mil

- FAA Safety Briefing - Enhancing Surface Safety Mar-Apr 2021 faa.gov
- Nellis Air Force Base, Nev, Flying Operation nellis.af.mil
- Eielson AFB, Alaska, Red Flag eielson.af.mil

- NASA Rotorcraft Publications 2020, 2019, 2018 rotorcraft.arc.nasa.gov
- US Helicopter Safety Team monthly update faaSafety.gov
   more helicopter Reports ushst.org
- US Navy Blue Angels Show Schedules 2021 blueangels.navy.mil
- US Navy Week Schedule navy.mil
- Darpa Opportunities darpa.mil

- US coast Guard MH-65 helicopter program uscg.mil

- Sikorsky S-97 RAIDer helicopter flew two demonstrations before US Army officials at Redstone Arsenal in Huntsville, Alabama, photo. Sikorsky and partner Boeing offering DeFiant X for Future Long-Range Assault Aircraft (FLRAA) competition LockheedMartin.com
- Inspector General report of helicopter usage on D.C. June 1, 2021, oversight of command investigation concluded that use of MEDEVAC helicopters was not prohibited by Federal law or policy or Army regulation. Lack of understanding regarding employment and command and control of helicopters during civil disturbance operations. Decisions to use helicopters in support of civil disturbance operations were reasonable given the emergent nature of the situation army.mil
- NTSB preliminary report on crash of AS350-B3 helicopter involved in heli-ski operation in Chugach Mountains north of Anchorage. Made multiple flighs on March 27, transporting skiers to several starting points near Knik Glacier. Hit the mountain about 15-20ft below ridgeline ntsb.gov pdf
- Blue Origin completed 15th consecutive mission to space and back Apr.14 and conducted a series of simulations to rehearse astronaut movements and operations for future flights with customers on board blueorigin.com

- FAA announced application period for entities to become FAA Approved UAS Service Suppliers of the Low Altitude Authorization and Notification Capability (LAANC). Application period opens on May 3, 2021 faa.gov
- Experimental Aircraft Association (EAA) B-17 bomber Aluminum Overcast will return to full national tour in 2021. First portion 2021 tour schedule includes stops in Florida and Georgia before move northward to additional locations through the spring and early summer prweb.com

- Airline passengers can obtain updated information on how to Fly Healthy flyhealthy.gov

- Nasa CallBACK monthly safety newsletter, March 2021 What Would You Have Done nasa.gov
- US Army Aviation Digest - Emergency Response Methodology Update, US Army Sling Load Operations,
   An Unintended Side Effect of the Aviation Restructuring Initiative - Oct-Dec 2020 army.mil
- Federal Register for Federal Aviation Administration (FAA) federalregister.gov
- USAF Air Combat Command F-16 Viper Demonstration Team Schedule acc.af.mil

- Mars Ingenuity helicopter team identified software solution for command sequence issue identified during high-speed spin-up test of rotors. Best estimate of targeted flight date is fluid right now, working toward achieving milestones and will set a flight date next week mars.nasa.gov cnet.com
- Marines from Joint Base McGuire-Dix-Lakehurst, N.J., traveled to U.S. Naval Academy, M.D. to showcase helicopter platforms and develop naval officers’ knowledge about U.S. Marine aviation, photos nellis.af.mil
- USS Wichita conduct Live-Fire Exercise, photos. Before gunnery exercise helicopter from Helicopter Sea Combat Squadron 22 Detachment 8 launched to conduct firing range clearance and serve as safety observer southcom.mil
- Special edition 75th anniversary option for Beechcraft Bonanza G36 single-engine piston aircraft, distinguished by custom interior and paint scheme inspired by Olive Ann Beech signature blue color, photo. Powered by 300HP Continental IO-550-B engine and three-blade constant-speed propeller textron.com
- Lockheed addressing accelerating demand for space-enabled warfighting capabilities with a new line of rapid, integrated and affordable tactical Intelligence, Surveillance and Reconnaissance (ISR) satellites LockheedMartin.com

- NASA seeking proposals for ground and flight demonstrations of integrated megawatt-class powertrain systems for subsonic aircraft. Deadline for proposals for this solicitation is 5pm EST April 20 nasa.gov sam.gov

- NASA and SpaceX latest blog blogs.nasa.gov
- SpaceX launch missions spacex.com

- Mars 2020 mission - Perseverance rover 2021 mars.nasa.gov
- Interagency Aviation Training (IAT) Course Schedule iat.gov

- Northwestern Colorado Delays expected I-70, Colorado DoT will oversee necessary helicopter operations in Glenwood Canyon, Rockfall Mitigation, week of April 12 and April 19 codot.gov
- Recurrent Training Courses for Drone Pilots Available Online at FAA website faa.gov
- Four F-22 Raptors alongside USAF KC-135 Stratotanker, photos af.mil
- Boeing (NYSE:BA) program deliveries across commercial and defense operations for first quarter of 2021 boeing.mediaroom.com prnewswire.com

- United plans to resume hiring pilots in May united.mediaroom.com    more from united.mediaroom.com press

- FAA FlySafe - Explores ways for pilots to safely prepare and train for new or unfamiliar flight environments faa.gov
- FAA adopting new airworthiness directive (AD) for Robinson Model R66 helicopters. AD prompted by reports of tail rotor drive shaft forward hanger bearing failures. AD is effective April 12, 2021 faa.gov

- Rotorcraft Design Approvals - Helicopter Occupant Safety Toolkit faa.gov
- News Nellis AFB, Nevada nellis.af.mil
- FAA monthly Business Jet Reports faa.gov
- US National Archives and Records Administration - Nationwide Events archives.gov
- NASA Commercial Crew Program - NASA astronauts scheduled launch to ISS at 6:11am Eastern, Thursday, April 22, from Launch Complex 39A Kennedy Space Center, Florida blogs.nasa.gov

- New Thermosil 7005 (FMi Chemical) one-part, low-density, heat-resistant silicone sealant used to form a void-free airtight seal for high-speed turbine blades in jet engines prnewswire.com
- Chevron (NYSE:CVX) and Honeywell (NYSE:HON) start commercial ISOALKY Ionic Liquids Alkylation Unit, utilizes ionic liquids to produce alkylate prnewswire.com more from FMIchemical.com
- Eurocopter EC120B incident, lost power and landed in a backyard, Damage None, Leroy, Kansas asias.faa.gov

- Mars Ingenuity Helicopter flight delayed to no earlier than April 14 jpl.nasa.gov

- FAA Aeronautical Raster Chart is a digital image of FAA VFR Chart faa.gov

- SpaceX launch updates spacex.com

- Nellis Air Force Base, Nev., Flying Operations nellis.af.mil
- USAF Week in Photos af.mil
- USAF F35A Demo Team for 2021 Airshow Season, All USAF Aerial Events acc.af.mil

- FAA Practical Test Standards faa.gov

- FAA Safety Alerts
19006, Crash Resistant Fuel System (CRFS) Safety Standards
18013, Updated Rotorcraft External Load Attaching Means and Quick Release Devices for Human External Cargo (HEC).
18010, Procedures for Avoiding Obstacles Lighted with Light-Emitting Diode (LED) Obstruction Lights While Utilizing Night Vision Goggles (NVG) faa.gov

- NTSB Safety Alerts
Flight Helmet Cords Can Impede Egress, Understand cord connections (SA-068)
Loss of Tail Rotor Effectiveness in Helicopters, Be alert for uncommanded yaw (SA-062).
Helicopter Landing Sites Free from Debris, Foreign object debris can foul rotor systems and cause damage (SA-057).
Flying on Empty, Prevent the Preventable with Careful Fuel Management (SA-067) ntsb.gov

- Space Weather for Aviation Service Provider swpc.noaa.gov

CH-53K performs Degraded Visual Environment flight testing in Yuma, Az navair.navy.mil navair.navy.mil CH-53K

Sikorsky (Lockheed) and Boeing released details of DeFIANT X advanced helicopter for US Army Future Long Range Assault Aircraft competition (FLRAA). Fastest, most maneuverable and most survivable assault helicopter Jan2021 boeing.mediaroom.com LockheedMartin.com

Perseverance Mars rover has sent back first image Feb2021, more from nasa.gov mars2020 blog

B-29 Doc tour schedule July-Aug 2021, St. Louis, MO (Spirit of St. Louis Airport), Terre Haute, IN, Cincinnati, OH (Lunken Air Field), Cleveland, OH (Burke Lakefront Airport), Kalamazoo, MI (Air Zoo Aerospace & Science Experience), EAA AirVenture (Oshkosh, WI with rides in Appleton, WI) b29doc.com
Going West on the Lincoln Highway map LincolnHighwayAssoc.org
Calendar Grand Canyon NP nps.gov
August 1, 1943 - "Hell's Wench" B-24 badly damaged by anti-aircraft artillery fire, led 93rd Bombardment Group (Heavy) in daring low level attack on oil refineries at Ploesti, Romania, photo 142fw.ang.af.mil
History of San Luis Obispo County Regional Airport, photos SanLuisObispo.com
Friends of the Inyo exploring new places, Calif FriendsOfTheInyo.org
Death Valley National Park - Scotty Castle nps.gov
   Road Information nps.gov
California Fall Color, scenic drives and hikes LAtimes.com
SAFO - Helicopter Stabilized Hover Checks Before Departure faa.gov pdf
GE tested Advanced Turboprop Engine with 3D-Printed parts. Civilian turboprop engine to combine 855 separate components into just 12, photo ge.com
FAA Administrator Fact Book returned on-line faa.gov    pdf faa.gov
Top 10 Martin Gardner Scientific American Articles, Mathematical Games column began January 1957 scientificamerican.com
B-17F Memphis Belle(tm) to be placed on public display on May 17, 2018 at National Museum USAF, photo nationalmuseum.af.mil
   Fact Sheet nationalmuseum.af.mil
   1944 movie Director Lt. Col. William Wyler afi.com American Film Institute
2017 Ladies Love Taildraggers 5 scholarships ladieslovetaildraggers.com
Robinson Helicopter Safety Alerts -- Low-G Mast Bumping Accidents Dec2016 robinsonheli.com