er-2 briefing. er-2 specifications er-2 typical flight profile
TRANSCRIPT
ER-2 BriefingER-2 Briefing
ER-2 Specifications
Crew: One Pilot Length: 62 feet, 1 inch
Wingspan: 103 feet, 4 inches Engine: One General Electric F-118-101 engine Altitude: Above 70,000 feet Range: Over 6000 nautical miles, subject to pilot duty
time limitations Duration: Over 10 hours
Cruise Speed: ~400 knots above 65,000 feet altitude (~210 Meters/sec)
ER-2 Typical Flight Profile
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Alti
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DATA Gathering LegsAircraft maneuvers performed within operating limits to meet
mission needs
Take-off Landing
ER-2 Loiter Time (based on 8 hr mission) - Operations depart from and return to PMD
ER-2 Basic Configuration4. RIGHT WING POD
86.0ft3 (2.43m3)650lbs (294 kg)
50A @ 115VAC/400Hz80A @ 28VDC
3. LEFT WING POD86.0ft3 (2.43m3)650lbs (294 kg)
50A @ 115VAC/400Hz80A @ 28VDC
1. NOSE47.8ft3 (1.35m3)
700lbs (317 kg)***50A @ 115VAC/400Hz
70A @ 28VDC
2. Q-BAY64.6ft3 (1.83m3)
1000lbs (454 kg)***100A @ 115VAC/400Hz
140A @ 28VDC
6. CENTERLINE POD14.0ft3 (0.40m3)350lbs (159 kg)
Electrical Shared with Q-Bay
*** - Max combined Q-Bay and Nose payload cannot exceed 1300lbs
5. SYSTEM 20 POD0.74ft3 (0.02m3)45 lbs (20.4 kg)
30A @ 115VAC/400Hz30A @ 28VDC
Inside Nose looking Forward
Fixed Nose Looking Aft
ER-2 Payload Areas: Nose Area
Forebody inside looking forward Aftbody side view
ER-2 Payload Areas: SuperPod Fore and Aftbody
Forward Midbody looking Aft
Lower Midbody looking Up and Aft
ER-2 Payload Areas: SuperPod Midbody
Internal Q-Bay looking Up and Aft
AftQ-bay
ForwardQ-Bay
ER-2 Payload Areas: Q-Bay
ER-2 Payload Areas: Q-Bay Hatch Designs
Pressure Box Mount
Dual Window Hatch
Open Port With Fairing
Panoramic Window Hatch
ER-2 Payload Areas: Q-Bay Hatch Designs
ER-2 Payload Areas: External Pods
Centerline Pod
System 20 Pod
ER-2 Electrical/Control Interface
Experiment Control Panel
Experiment Interface Panel
Airworthiness Process OverviewFor New Instruments
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• ASP Programmatic Requirements Science Operations Flight Request System (SOFRS) Cost Estimate Approved Flight Request
Funding
AFRC Airworthiness Requirements Required before first flight for all new or modified instruments
Results in an approved Flight Request
Payload Integration Planning– Instrument Design and Analysis
• ER-2 Handbook http://www.nasa.gov/centers/dryden/pdf/90464main_ER2handbook.pdf
– Upload and Check-out– Combined System Test– Engineering Check Flights– Science Flights
ASP Programmatic RequirementsProcess Overview
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Airborne Science Program (ASP) Flight Request Science Operations Flight Request System (SOFRS)
https://airbornescience.nasa.gov/sofrs/
Project Cost Estimate Flight Hour Cost - $3500/hour with SMD approval Mission Peculiar Cost (MPC)
Labor Overtime Travel Integration Cost Logistics
Science Mission Directorate (SMD) Approval Funding at AFRC
AFRC Airworthiness Requirements Process Overview
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Technical Briefing Independent peer review of project goals and plans Key Elements
Overall Project Objectives and Responsibilities Payload Design and Analysis
Structural Analysis Electrical Interface Weight and C.G.
Flight Plans and Operations Mission Profiles Aircrew Checklist and Procedures
Hazards Analysis Flight Request
Required before first flight for all new or modified instruments Results in approved Flight Request
Payload Integration Planning Process Overview
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Major Tasks and Timeline Technical Interchange Meeting Instrument Design and Analysis
Periodic Design Reviews Electrical Interface Design Loads Analysis
Upload Instrument and Checkout Two to three weeks before first flight Weight & Balance Verify Electrical Interface Install instrument in aircraft Installed system checks
Technical Brief Typically two weeks prior to first flight AFRC Approved Flight Request
Payload Integration Planning Process Overview
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Major Tasks and Timeline (Continued) Combined System Test (CST)
On aircraft engine running system checks Verify instrument operation and procedures Day prior to first flight
Engineering Check Flights Typically 10 to 15 hours depending on complexity of instrument Time to ascend and descend is ~ 1.4 hours, so by example …
3-hours of data collection would a require 4.4 hours mission Standard Crew Duty Day is 9-hours
Supports up to 5-hours mission without over-time Defined mission profiles Pilot Procedures and Checklists
Science Flights Separate SOFRS Request and Funding