Citation I/SP (Model 501) TOLD Calculator
citation-perf.pro
LaunchIndex first observed Citation I/SP (Model 501) TOLD Calculator (citation-perf.pro) live on 20 August 2026. View its launch screenshot, category, and verification evidence.

A launch record built from evidence.
Citation I/SP (Model 501) TOLD Calculator (citation-perf.pro) was first observed live on 20 August 2026.
Web-based TOLD Calculator that reproduces takeoff and landing performance data for the Cessna Model 501 from published checklists, using linear interpolation within the tables and flagging inputs outside the source data.
Its profile is classified as Developer tool within Technology / Developer tools.
What the launch signal contained.
- First observed live
- Previous state
- No prior non-live observation
- Last verified
- Canonical host
- citation-perf.pro
- Category
- Technology / Developer tools
- Website type
- Developer tool
- Observed title
- Citation I/SP (Model 501) TOLD Calculator
- Observed description
- Not captured
- Detected technologies
- None detected
- Screenshot captured
- Evidence source
- Browser observation · Local
- Evidence confidence
- 90%
- HTTP status
- 200
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