What this profile covers
Takeoff from an intermediate runway entry, with explicit validation of declared distances, performance data, position, and remaining margin.
Why it matters
Takeoff decisions are made with changing energy and shrinking runway margin, while configuration and performance errors can become rapidly consequential. For intersection takeoff, useful analysis connects the immediate event with exposure, defenses, recurrence, and the wider operating system rather than treating one observation as a final conclusion.
Performance preparation, runway acceleration, rotation, rejection, liftoff, and obstacle-clearance risk.
Understand the subject before interpreting a signal.
In plain language, this profile examines takeoff from an intermediate runway entry, with explicit validation of declared distances, performance data, position, and remaining margin.
Build a multi-source picture
- Performance calculation and loaded-input records
- Configuration, speed, thrust, and flight-path data
- Runway, weather, and obstacle information
- Crew, dispatch, maintenance, and ATC records
Timing, relationships, and recurrence
Relevant recorded context may include engine thrust, landing gear status. Use validated mappings and examine signal relationships over the applicable flight phase.
Do not turn an observation into a conclusion
Recorded motion should be compared with the actual performance basis and aircraft configuration; a deviation cannot be interpreted safely from generic speeds or limits.
Keep controlling material visible
Apply the current approved manuals, procedures, authority requirements, investigation evidence, and validated organizational definitions for any operational decision.
Engine thrust
One or more recorded measures of commanded or produced propulsion; the correct signal depends on engine and aircraft type.
Open parameter guide ↗discreteLanding gear status
Command, position, lock, and ground-sensing states associated with the landing gear; these are separate signals with different meanings.
Open parameter guide ↗From a broad topic to a defensible safety review.
Define
State what intersection takeoff means for the aircraft, operation, authority, and organization in scope.
Verify
Confirm the provenance, quality, timing, units, completeness, and limitations of every data source used.
Describe
Reconstruct what happened and quantify relevant exposure before discussing causes or corrective action.
Corroborate
Compare flight data with reports, operational context, technical evidence, and authoritative source material.
Test barriers
Identify which preventive, recovery, and consequence-mitigation controls should have worked and how their performance can be measured.
Assure
Assign proportionate action and verify whether the control and safety performance improve without harmful unintended effects.
Questions before conclusions
- Q1
How is intersection takeoff defined for the aircraft, operation, authority, and organization being reviewed?
- Q2
Which precursors, recorded signals, reports, and external data would confirm the event and describe its context?
- Q3
Which preventive, recovery, and consequence-reduction barriers should work, and where could they weaken?
- Q4
What does recurrence, exposure, severity potential, or change over time show before choosing a safety action?
2 connected event profiles
These are terminology and family connections for exploration—not claims that FDM alone can determine the topic.
Runway-entry position anomaly
Geospatial and aircraft-state data indicate entry onto a runway or protected area from an unexpected route or position.
Open FDM profile ↗FDM-010 · Ground & taxiTakeoff roll from an unexpected surface
Takeoff acceleration begins on a runway, intersection, taxiway, or surface position different from the validated operational context.
Open FDM profile ↗Go deeper into the closest ASIP research guides.
Tail Strike
Understand how aircraft geometry, pitch rate, gear compression, speed, and control technique combine near takeoff or landing.
Open intelligence brief ↗Flight OperationsRunway Excursion
Explore overruns and veer-offs as the combined result of approach energy, runway condition, touchdown, deceleration, and directional control.
Open intelligence brief ↗Flight OperationsRejected Takeoff
Understand the time-critical stop decision through speed, failure recognition, runway remaining, braking, spoilers, and reverse thrust.
Open intelligence brief ↗Aircraft SystemsEngine Failure and Thrust Loss
Separate commanded thrust, actual engine response, system effects, and crew management across partial, asymmetric, and complete thrust-loss events.
Open intelligence brief ↗12 useful starting points
Original ASIP summaries lead to publisher pages. ASIP does not copy or host the reports.
NTSB Safety Alert SA-071 — Do Your Takeoff Homework; Runway Length Matters - Understanding the Potential Hazards of Intersection Takeoffs
Official U.S. National Transportation Safety Board material indexed for approach and landing and takeoff. Open the publisher source for the complete document, scope, and current status.
Open official sourceAC 91-79B — Aircraft Landing Performance and Runway Excursion Mitigation
This FAA circular brings together landing-performance planning, time-of-arrival assessment, RCAM information, and operational practices for reducing runway-excursion risk.
Open official sourceSAFO 23004 — Boeing Multi Operator Message (MOM); MOM-MOM-23-0179-01B and Erroneous Maximum Takeoff Weight (MTOW) Calculation from Boeing Performance Engineer's Tool (PET) Reporters
Official U.S. Federal Aviation Administration material indexed for takeoff and maintenance. Open the publisher source for the complete document, scope, and current status.
Open official sourceSAFO 22002 — SAFO 22002, Boeing’s Onboard Performance Tool (OPT) v4.70 for iOS Devices
Official U.S. Federal Aviation Administration material indexed for maintenance. Open the publisher source for the complete document, scope, and current status.
Open official sourceSAFO 09015 — Training For Maximum Performance Landings on Contaminated Runways
Official U.S. Federal Aviation Administration material indexed for human factors. Open the publisher source for the complete document, scope, and current status.
Open official sourceAircraft Parking and Storage
Official Airbus Safety First material indexed for ground operations. Open the publisher source for the complete document, scope, and current status.
Open official sourceNews: Parking and Storage / Return to Service Summary Letter
Official Airbus Safety First material indexed for ground operations. Open the publisher source for the complete document, scope, and current status.
Open official sourcePerformance Based Navigation RNP and RNP AR Approaches
Official Airbus Safety First material indexed for navigation and surveillance. Open the publisher source for the complete document, scope, and current status.
Open official sourcePitot Probe Performance Covered On the Ground
Official Airbus Safety First material indexed for ground operations. Open the publisher source for the complete document, scope, and current status.
Open official sourceAnnual Safety Review 2025
EASA's review uses occurrence and accident information to describe performance across aviation domains and to support the European safety-risk-management process.
Open official sourceIATA Annual Safety Report — 2024
IATA's 61st annual report provides an interactive, method-defined view of commercial aviation accident performance and contributing-factor classifications.
Open official sourceAC 120-92D — Safety Management Systems for Aviation Service Providers
FAA guidance explains performance-based, scalable approaches to integrating safety policy, risk management, assurance, and promotion into aviation organizations.
Open official sourceCommon Taxonomy Team
International work on common aviation occurrence categories and definitions for consistent reporting and analysis.
Open referenceSafety Risk Management
European safety-risk process connecting data, safety issues, risk portfolios, priorities, and safety action.
Open referenceAnnual programmes and reports
Annual safety reviews and risk portfolios used to identify key risk areas, safety issues, and emerging issues.
Open referenceEuropean Plan for Aviation Safety 2025
A broad evidence-based portfolio showing the scale and connected nature of current aviation safety issues.
Open referenceOperational issues index
A practical discovery index for operational safety subjects; official authority and manufacturer sources remain controlling where applicable.
Open reference