B777F Study is a free, mobile-first flashcard and test app built specifically for Boeing 777 Freighter (B777F / B-777-200LR) pilots preparing for type rating exams, recurrent training, and oral assessments.
The app covers all major aircraft systems — from Air Conditioning and APU to Flight Controls, Hydraulics, Engines (GE90-110B1L), Limitations, and Memory Items — with over 1,000 multiple-choice flashcard questions, plus a dedicated Oral Q&A section of 251 known industry oral exam questions.
Key features:
Three study modes — Multiple Choice, Correct Only, and Full Display
Test Mode — Timed, scored multiple-choice tests with custom question counts, section filtering, and a full wrong-answer review
Oral Q&A — 251 B777F oral exam questions across all major systems
Section filter — study one system at a time (e.g. Hydraulics, Engines, AFDS)
Flag for review — bookmark questions to revisit later
Session scoring — track correct and incorrect answers in real time
Auto-save — progress is saved automatically between sessions
Installs as a native app on iPhone, iPad and desktop via browser
Dark mode — easy on the eyes for night study
Free to use — no login, no subscription, no data collected
Available at study.b777f.app (also accessible via b777f.app) — works in any browser on any device. Add to your home screen for the full app experience.
📝 Display Modes
Multiple Choice: See all answer options. Click any answer to check if it's correct (wrong = red flash, correct = green and auto-flip)
Correct Only: See only the question. Click to reveal just the correct answer
Full Display: See question and answer together. No flipping needed - perfect for quick review
🎯 Question Sets
All Questions: Study all 1,077 questions — includes standard flashcards and Oral Q&A questions together
⭐ Priority Only (266): These were originally tagged as high-priority questions — however the priority designation is no longer actively maintained and does not reflect any current study weighting. Use All Questions for complete coverage.
📋 Limitations/Memory Items (82): Study Limitations and Memory Items sections only
📖 Oral Q&A (251): Filter to Oral Q&A questions only. These are known industry oral exam questions covering all major B777F systems. See disclaimer below.
🚩 Flagged: Review questions you've marked for later
📖 Oral Q&A — Disclaimer
The Oral Q&A questions are known industry questions covering B777F systems and procedures. They are provided as a study aid only. Not all questions will be asked during your oral test — this depends entirely on your company, your check airman, and the type of check being conducted. Always verify answers against your GE90-110 B777F FCOM. Engine-specific limits in particular should be confirmed with official sources.
🚩 Flag for Review
Click the flag button on any card to mark it for review
Flagged questions are saved automatically
Switch to "Flagged" mode to study only flagged questions
⚠️ Report Error
Click the "Report Error" button on any card to report an incorrect or misleading question
All reports are completely anonymous - no personal information is collected or sent
Reports help improve the quality of questions for everyone
🎓 How To Study
Step 1 - Learn: Complete all questions (or at minimum the Priority questions) in Full Display mode. This shows question and answer together so you learn the correct answers first
Step 2 - Review: Once you've completed the cards a few times in Full Display mode, switch to Correct Only mode. This ensures primacy - you only see correct answers, reinforcing proper recall
Step 3 - Test: When you're ready to test yourself, complete all questions in Multiple Choice mode to simulate exam conditions
🔍 Filter by Section
Use dropdown to study specific aircraft systems
21 sections available (Aircraft General, Engines, Hydraulics, Limitations, Dimensions, Memory Items, etc.)
🔎 Search Questions
Type keywords to find specific questions instantly
Searches question numbers, question IDs, questions, answers, and section names
Works with all filters (Priority, Flagged, Section)
Clear search to return to full question set
📱 Navigation
Tap card - Flip to see answer
Swipe left - Next card
Swipe right - Previous card
Use the navigation buttons (◀ Prev / Next ▶) to move between cards
⌨️ Keyboard Shortcuts
Space or F - Flip card
→ or N - Next card
← or P - Previous card
Note: Shortcuts are disabled while typing in the search box
💾 Auto-Save
Your progress is saved automatically
Return anytime and pick up where you left off
Flagged questions and settings are remembered
🔀 Other Features
Shuffle: Randomize question order
↺ Reset: Go back to card 1 and restart from the beginning. Your flagged questions are kept — useful if you just want to run through the deck again.
🔄 Reset Session: Clears your session score, incorrect answers list, and all flagged questions. Use this for a completely fresh start.
🌙 Night Mode: Easy on the eyes for late-night studying
📝 Test Mode
Test Mode lets you take a timed, scored multiple-choice test drawn from the question database. To start, tap 📝 Test Mode in Settings.
Question count: Choose 25, 50, or 100 questions, or enter a custom number up to the full database size
Section: Test across all sections or focus on one specific system (e.g. Limitations, Engines, Hydraulics)
Score at End: Answer all questions without feedback, then review your full results at the end — best for simulating a real exam
Correct as You Go: Each answer is immediately marked correct or incorrect. You can't change your answer but the test continues and is fully scored
Results screen: Shows your score %, correct/incorrect counts, time taken, and a full list of every wrong answer — your choice vs the correct answer
Retake: Repeat the same test settings with a new random question selection
New Test: Return to setup to change settings
Memory Items and Oral Q&A questions are excluded from Test Mode — these don't suit the multiple choice format
New questions added to the app automatically appear in Test Mode with no setup needed
🔄 Getting Updates
The app automatically checks for updates when you open it
If an update is available, an orange banner will appear — tap it to refresh when you're ready
Updates will never interrupt you mid-session
You can also manually check using the 🔄 button in the header
If changes don't appear, try clearing your browser cache or doing a hard refresh (Ctrl+Shift+R)
📲 Save as App on Your iPhone or iPad
⚠️ Use Safari only. Installing via Chrome, Firefox, or other browsers on iOS does not create a true standalone app — it opens as a browser bookmark instead, which may display incorrectly and won't behave like a native app.
Open study.b777f.app (or b777f.app) in Safari — not Chrome or Firefox
Tap the Share button ⎦↑⎡ at the bottom of the screen
Scroll down and tap "Add to Home Screen"
Give it a name (e.g. B777F Study) and tap Add
The app will appear on your home screen and open full-screen without the browser bar — just like a native app
2 questions removed: ACGEN92 and OXY11 — errors in question content
2 Oral Q&A questions removed: ORAL-GEN05 and ORAL-GEN22 — not accurate to operation
3 questions removed: ACGEN76, ACGEN83, PPT01 — not accurate or applicable to operation
Test Mode: Exiting a test mid-way now shows a summary of progress so far rather than discarding results.
v3.0.0 (May 2026) ▼
Test Mode — question ID shown on each test card (e.g. B777 - ACGEN01 • Question 1)
Test Mode — Flag & Report buttons appear after answering each question, so you can flag or report errors without leaving the test
Test Mode — keyboard & swipe navigation fixed: Arrow Right / N key advances to next question after answering; swipe left does the same on mobile
Search — Enter key now closes Settings and jumps to the filtered deck; a search button (🔍) added to the search box
Reset — now fully resets the active mode and button state in addition to clearing the search term
Priority count removed from the stats bar (the priority designation is no longer actively maintained)
v2.9.0 (May 2026) ▼
🆕 New Questions button added to Settings — filters to show only newly added questions, making it easy to study fresh content separately from the existing database
🆕 NEW badge displayed on cards for new questions (teal, top-right corner)
123 new questions added (Q849–Q971) across Aircraft General, Air Systems, Air Conditioning, ICE & Rain, Auto Flight, Communications, Electrical, Fire Protection, Flight Controls, Flight Instruments, FMS Navigation, Fuel, Landing Gear, Engines, APU, Oxygen and Limitations
All new questions include multiple choice distractors and are fully compatible with Test Mode
v2.8.1 (May 2026) ▼
Help section: full Test Mode usage guide added — explains all options, modes, results screen and exclusions
Changelog: v2.8.0 consolidated into a comprehensive single entry covering all changes made in this session
Test Mode answer hover fix — answers on iPhone/iPad no longer randomly show a subtle highlight due to iOS sticky hover state; hover effect now only activates on mouse/trackpad devices
v2.8.0 (May 2026) ▼
📝 Test Mode — full timed multiple-choice test engine added. Choose 25, 50, 100 or custom question count; filter by section or all sections; Score at End or Correct as You Go modes; results screen with score %, correct/incorrect counts, time taken, and full wrong-answer review list; Retake and New Test buttons. Memory Items and Oral Q&A excluded. Questions auto-include when new ones are added.
UI polish: Test Mode branding — logo, app name and b777f.app link shown as clickable header on all three test screens (Setup, Question, Results)
Custom question input: Numbers only enforced, max auto-calculated from live database size
iOS notch fix: Test overlay respects safe-area insets — header and Exit button no longer hidden behind status bar
Scroll fix: Results screen now scrollable on both mobile and desktop
Score at End mode: Auto-advances to next question after answer selection (no tap needed)
Wrong answer highlight: Red left border on incorrect answer, green on correct
Button order: Test Mode button added before Flagged in Settings; Flagged moved to last position
Lim./Mem. Items button: Label shortened to prevent two-line wrapping
Copyright notice: Added to bottom of Help section
Help section: Full Test Mode usage guide added
SEO: Page title, meta description, meta keywords and JSON-LD structured data updated to include Boeing 777F, 777-200LR, B-777F, B-777-200LR and quiz/training terminology
Header tagline: Boeing 777F · B-777-200LR · Quiz & Training added inline under app title
iOS white status bar: Multi-version fix — viewport-fit=cover, black-translucent status bar, anti-flash script, safe-area padding on body/settings/nav/container
Settings fixes: Flagged button restored to orange gradient; active button selection now clearly visible with white ring; Priority and Oral chip CSS corrected; Oral cards match standard card format
Question set bugs fixed: Selecting a set now clears search box; active button state restores when search is cleared; All Questions correctly includes Oral Q&A
Reset behaviour: ↺ Reset preserves flags; 🔄 Reset Session clears flags, search and section filter; both resets now clear search and section filter
Single-answer cards: Show "(Not multiple choice)" label in multiple choice mode
Text sizing: Question and answer text reduced 1pt; Prev/Next buttons slimmer; double-tap zoom prevention on all buttons
Version line: Moved from header to below Prev/Next buttons; mobile version sits inside fixed nav bar below buttons
Help — browser install warning: Safari-only install instructions with orange warning panel
v2.7.4 (May 2026) ▼
Limitations/Memory Items button renamed to "Limitations/Memory (82)" — prevents text wrapping to second line
Removed "Study smart, fly safe" tagline from help section
Reset and Reset Session now also clear the search box and section filter
Desktop: increased gap between stats bar and progress bar
Version/URL line moved from header to below the Prev/Next buttons — reduces gap between title and Settings, saves vertical space
v2.7.3 (May 2026) ▼
Question and answer text reduced by 1pt to improve fit on smaller screens
Previous/Next buttons slightly smaller (padding reduced); text size unchanged
Limitations/Memory Items button font size reduced to prevent text wrapping to second line
Double-tap zoom on buttons prevented — added touch-action: manipulation to all buttons
Single-answer cards now show "(Not multiple choice)" label in multiple choice mode
Help section install instructions updated — Safari-only warning added with explanation, clearer step-by-step instructions
v2.7.2 (May 2026) ▼
Reverted v2.7.1 padding scope change — restored @media max-width:600px block; installed PWA and Safari back to working v2.7.0 state
v2.7.1 (May 2026) ▼
Scoped status-bar top padding to installed PWA only (navigator.standalone) — browser tabs no longer get the 59px reserve, removing the gap in Safari and Firefox; viewport-fit=cover unchanged so no white bar regression
v2.7.0 (May 2026) ▼
Restored viewport-fit=cover for all contexts — v2.6.9's split approach regressed Safari (white bar returned, header cut off); the app is a fixed-height shell so Safari and the installed PWA need identical status-bar handling
Top padding tightened to 4px/6px above the 59px status-bar floor — header sits as close as safely possible under the status bar on all iPhone models
v2.6.9 (May 2026) ▼
Fixed gap in Safari browser tab — viewport-fit=cover and status-bar top padding now only apply when running as an installed iOS PWA (detected via navigator.standalone), leaving normal browser tabs clean and unaffected
v2.6.8 (May 2026) ▼
Fixed header overlapping iOS status bar — the standalone media query never matched because the app uses a legacy web-clip (no Web App Manifest); switched to max-width: 600px so the safe-area padding applies on all iPhones in both the installed app and Safari
v2.6.7 (May 2026) ▼
Fixed header sliding under iOS status bar in installed PWA — iOS bug causes env(safe-area-inset-top) to report 0 in standalone mode; standalone-scoped media query now reserves a fixed 59px status-bar height so the header clears the clock/notch on all iPhone models including Dynamic Island
v2.6.6 (May 2026) ▼
iOS white status bar fix (attempt 2) — added viewport-fit=cover so page owns the full screen including notch region; status bar style set to black-translucent; anti-flash script prevents light-mode flash before JS applies dark mode; safe-area-inset padding added to body, settings panel, bottom nav, and container to prevent content sliding under notch or home indicator
v2.6.5 (May 2026) ▼
Fixed iOS status bar / notch white bar — CSS background shorthand was resetting background-color to transparent; corrected property order in 3 rules (html.dark-mode, html, body) so iOS has a solid colour fallback for the safe-area region
Removed duplicate theme-color meta tag
v2.6.4 (May 2026) ▼
Header tagline moved inline under the title text, flush right of logo — Boeing 777F · B-777-200LR · Quiz & Training
v2.6.3 (May 2026) ▼
SEO improvements — page title, meta description and keywords now include all Boeing variant names (777F, 777-200LR, B-777F, B-777-200LR) and quiz/training terminology
Added JSON-LD structured data for search engines to understand the app as a learning resource
Added visible tagline under the header identifying Boeing 777F, 777-200LR coverage
v2.6.2 (May 2026) ▼
🔄 Reset Session now also clears all flagged questions — use it for a completely fresh start
↺ Reset preserves flagged questions — use it to restart the deck while keeping your flags
Help section updated to document the difference between the two reset buttons
v2.6.1 (May 2026) ▼
Fixed: Selecting a question set (Limitations, Oral Q&A, etc.) now clears the search box — previously any active search term was silently combined with the mode filter, causing zero results or oral questions appearing absent from All Questions
Fixed: Active button highlight now restores correctly when search is cleared
Active question set button now clearly highlighted with bright ring indicator
Fixed Priority and Oral Q&A card chips — broken CSS corrected, both now correctly styled with pill edges, white text, and gradients matching their settings buttons
Oral Q&A cards now match standard card format — section name uses theme colour, question number shown, chip anchored to top-right corner
Added mobile sizing override for Oral Q&A chip (was missing, now matches Priority chip sizing)
v2.5.0 (May 2026) ▼
Oral Q&A fully integrated — out of beta, included in All Questions mode (1,077 total)
📖 ORAL chip badge added to Oral Q&A cards across all question modes
Oral Q&A disclaimer added to Help section
Help section updated with Oral Q&A explanation and question set counts
Beta banner and (β) label removed from Oral Q&A button
v2.4.1 (May 2026) ▼
Oral Q&A refined — removed questions on immediate actions, memory items, and airline-specific procedures
Unit conversions added throughout Oral Q&A: °F→°C, lbs→kg, ppm→kg/min
Several Oral Q&A answers rewritten with FCOM-accurate content
Search now automatically scans all question sets including Oral Q&A; placeholder text updated
Oral Q&A (β) button moved before Flagged in question set selector
Oral Q&A count corrected to 251
v2.4.0 (May 2026) ▼
Oral Q&A section added (Beta) — 264 questions sourced from B777 oral study guide
New 📖 Oral Q&A (β) button in question set selector
Oral Q&A cards use flip style only — no multiple choice
Section filter adapts to show oral subsections when in Oral Q&A mode
Beta disclaimer banner displayed when Oral Q&A mode is active
v2.3.0 (May 2026) ▼
Submit a Flashcard Question form added — accessible from Settings panel
Report Error upgraded from browser prompt to full modal with optional name and email
Contact form — optional name and email fields added
Settings panel auto-collapses on desktop after first Next click
All Formspree forms fixed — resolved 422 submission errors
v2.2.0 (May 2026) ▼
Font sizes increased throughout for readability — questions, answers, headers, stats and labels all enlarged
Mobile layout restructured — header and nav buttons stay fixed, only the card scrolls
Card expanded to fill available screen space — no more internal card scrolling
Landscape orientation blocked on mobile — portrait only with rotate prompt
Footer links (Privacy, Disclaimer, Contact) moved into Help & Info modal
Help button renamed to ❓ Help & Info
Duplicate disclaimer removed from Help — now only in Disclaimer modal
Back to Help button added in Privacy, Disclaimer and Contact modals
Contact form resets correctly when reopened
Modal close button made more visible with border
Nav buttons enlarged on mobile with extra safe area padding
Referrer-Policy corrected to strict-origin-when-cross-origin (fixes Google Analytics referral tracking)
Google Analytics (GA4) added to index and privacy pages
Sitemap and robots.txt added
Old netlify subdomain now redirects to b777f.app
v2.1.0 (May 2026) ▼
Site rebranded to B777F Study — new domain b777f.app
Corrections and changes made to question content, answers, and accuracy.
v3.0.5 (Jun 2026) ▼
ACGEN153 (Q68) removed: Question about oxygen canister activation — B777F does not use chemical oxygen canisters.
ACGEN18 (Q84) removed: Question about active canister surface temperature — B777F does not use chemical oxygen canisters.
ACGEN19 (Q85) rewritten: "Cabin oxygen system" reworded to supernumerary oxygen system — B777F has no passenger cabin. Answer updated: 2 gaseous cylinders located in the aft cargo area.
ACGEN35 (Q100) rewritten: "Two gaseous bottles supply the flight crew oxygen system" corrected to four — AMM confirms 4 crew cylinders forward of FWD cargo. Caveat added: AMM states 4 crew / 2 supernumerary cylinders; FCOM may differ — verify against current documentation.
OXY08 (Q661) rewritten: PSU door question reworded — B777F has no PSUs. Rewritten to cover manual activation of the supernumerary oxygen system via the SUPRNMRY OXYGEN switch on the overhead panel. Answer: at any time.
OXY15 (Q668): Correct answer updated from 2 to 4 (flight crew oxygen bottles), options updated to 4/3/2. Caveat added: AMM states 4 crew cylinders / 2 supernumerary cylinders; FCOM may differ — verify against current documentation.
ORAL-ENG16 (Q1116): Answer corrected — "start lever OFF" replaced with "fuel control switch to CUTOFF". B777F uses fuel control switches (RUN/CUTOFF), not start levers.
v3.0.1 (May 2026) ▼
ACGEN92 removed: Question about heating compartments — error in question content, conflicting information.
OXY11 removed: Question about oxygen flow to attached masks — error in question content.
FLTCT34 (Q440): Question wording corrected from "locked on a high speed" to "locked out at high speed".
COMM07 (Q345): Question wording corrected from "handset" to "headset" — B777F does not have a flight deck handset, only a headset for PA.
FUEL09 (Q473) reworked + FUEL26 (Q972) and FUEL27 (Q973) added: Q473 corrected — scavenge pumps receive motive flow from main wing tank jettison pumps (post-mod 28-0078), not center tank boost pumps. Two new questions added covering post-mod self-test logic and ELMS 45-minute inhibit/scavenge timing.
ACGEN148 (Q62), ACGEN46 (Q111), AFDS61 (Q241), COMM09 (Q347), HYD19 (Q501): Question wording cleaned up — removed CBT narrator text, "However," and "In addition to" prefixes that carried over from source material.
ORAL-FIRE15 (Q1012) reworked + ORAL-FIRE20 (Q1223) added: Q1012 reworded specifically for lower cargo (FWD/AFT) with correct 5-bottle sequence and ground vs inflight discharge differences. New Q1223 covers main deck cargo fire — Class E compartment, no extinguishers, controlled depressurisation to 23,000 ft cabin altitude at 25,000 ft aircraft altitude.
ORAL-AFDS28 (Q1203): Answer corrected — Land 3 is fail operational (not fail passive). Land 2 is fail passive. Land 3 required for CAT III, Land 2 sufficient for CAT II.
ORAL-GEAR05 (Q1066): Main gear steering corrected from 8 degrees to 7 degrees.
ORAL-GEN25 (Q994) removed: Question about escape slide illumination lights aft of cargo doors — B777F does not have rear slides.
ACGEN104 (Q15): Answer corrected — on the B777F the Bulk compartment AND the Main Deck have no fire extinguishing. Main Deck uses controlled depressurisation instead. Question reworded to True/False format.
OXY01 (Q654): EICAS message corrected from PASS OXYGEN ON to SUPRNMRY OXYGEN ON — B777F uses supernumerary oxygen system not passenger canisters.
OXY06 (Q659), OXY18 (Q671), OXY19 (Q672) removed: Canister-based oxygen questions removed — B777F uses bottled gas oxygen system, not chemical canisters.
ACGEN23 (Q88), ACGEN99 (Q164) removed: Lavatory water shut-off valve location questions removed — location unconfirmed for B777F variant.
ELEC03 (Q356) and ORAL-ELEC21 (Q1047): Ground Service Bus questions reworded — CABIN/UTILITY switch has no relation to Ground Service Bus. Corrected to reflect Ground Service Switch location (Supernumerary Service Panel at door 1L), cold and dark operation, and that normal power comes from Right Main AC Bus.
HYD09 (Q491): Question reworded from "Center tank Primary pumps" to "Center Hydraulic system Primary pumps" — user reported "Center tank" was misleading and sounded like a fuel question.
ORAL-FUEL04 (Q1078): Question reworded to ask about fuel remaining per main tank after jettison automatic shutoff. Answer corrected to 3,800 kg per main tank per FCOM/CBT (center tank pumps to dry).
ORAL-GEN28 (Q993): Answer corrected — O2 mask mike activated by opening the right stowage box door (not left), remains active until right door closed and RESET/TEST switch pushed. Per FCOM.
ICE31 (Q550) modified + ICE41 (Q971) added: Wing anti-ice inhibit questions reworded per FCOM — (1) AUTO/TAT above 10°C: inhibited 5 min after liftoff, switch to ON will NOT override; (2) Takeoff/go-around AUTO inhibit ends when FMS transitions to CLIMB phase (auto or crew manually selecting CLB thrust on thrust limit page) OR 10 minutes after liftoff — whichever first.
ORAL-GEN05 (Q853) removed: MEL question removed — not entirely accurate to operation.
ORAL-GEN22 (Q870) removed: CVR test question removed — not entirely accurate to operation.
v2.9.0 (May 2026) ▼
ACGEN146 (Q60) removed: Question about determining lavatory door status via a CSS panel — not applicable to the B777F freighter variant which does not have this indicator.
121 new questions added across Aircraft General, Air Systems, Air Conditioning, ICE & Rain, Auto Flight, Communications, Electrical, Fire Protection, Flight Controls, Flight Instruments, FMS Navigation, Fuel, Landing Gear, Engines, APU and Oxygen. All questions include multiple choice distractors.
v2.8.1 (May 2026) ▼
ACGEN112 (Q24) removed: Question about CSS Door page and door arming status removed — the answer is inaccurate for the B777F variant. The Door Synoptic in the B777F cockpit does display M/A arming status, making the question misleading for this type.
v2.0.4 (May 2026) ▼
HYD50 (Q531): Question clarified to specify Left and Right hydraulic systems only. Answers expanded — correct answer updated to "Electric motor-driven demand pump (ACMP)" with plausible distractors including EDP, ADP and RAT pump. Source: Angle of Attack 777 Groundwork, Hydraulics
v2.0.3 (May 2026) ▼
HYD36 (Q517): Fixed correct answer — the amber FAULT light illuminates for any/all of the listed conditions (low pressure, excessive temperature, or pump selected OFF), not just low pressure
AIRCOND02 (Q281): Corrected answer from "seven" to "six" temperature zones per B777F FCOM
DIM01 (Q805): Added "normal" to question — "minimum width of pavement required for a normal 180 degree turn"
DIM06 (Q848): New question — minimum pavement width for non-normal 'Pivot' 180 degree turn (126.0 ft / 38.4 m)
ACGEN112: Added B777F variant note — Door Synoptic in cockpit does show if a door is M or A
v1.9.0 (Feb 2025) ▼
PPT42 (Q744): Corrected answer from "oil pressure and temperature" to "oil temperature" — autostart DOES monitor oil pressure (aborts if ≤10 PSI per FCOM)
v1.8.9 (Feb 2025) ▼
OXY08 (Q661): Added B777F variant note — SUPRNMRY OXYGEN Switch (no PASS OXYGEN switch on freighter)
ACGEN03 (Q3): Added "(optional or for passenger variants)" to cockpit security door panel answer
ACGEN04 (Q4): Corrected cargo compartments to "Forward, AFT and Main Deck"
ACGEN111 (Q23): Corrected to "Forward, Aft and Maindeck" for cargo containers
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B777F Study - Help Guide