{
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  "source": "independently verified native state; original descriptions retain imported attribution",
  "id": "P-OPP-02163",
  "title": "Offer electric aircraft for regional flights",
  "done_when": "",
  "criteria_revision": null,
  "summary": "Independent review by claude-independent-prior-art-reviewer-20261106: No electric regional airliner is certified or in scheduled passenger service, so the Main KPI of 10,000 electric regional aircraft is unmet. Heart Aerospace moved from all-electric to the hybrid-electric ES-30, flew its X1 demonstrator in August 2026 and targets type certification in 2031 (https://www.flyingmag.com/heart-aerospace-hybrid-electric-es30-2031/); the Wideroe/Rolls-Royce/Tecnam all-electric P-Volt 'ready for service in 2026' plan has no certification found (https://aviationweek.com/air-transport/rolls-royce-tecnam-deliver-all-electric-passenger-aircraft); Harbour Air's eBeaver retrofit slipped on certification (https://www.ch-aviation.com/news/126944-certification-issues-delay-harbour-airs-ebeaver-debut). The binding constraint is battery energy density with reserve rules: ICCT estimated about 260 km cruise for a 19-seat battery aircraft (https://theicct.org/wp-content/uploads/2022/07/global-aviation-performance-analysis-regional-electric-aircraft-jul22-1.pdf-1.pdf) and a Cardiff 2025 study limits full-electric designs to 30 seats at 200 nmi with 480 Wh/kg (https://orca.cardiff.ac.uk/184236/). Honest limit: electric motors, retrofit designs and small certified trainers (Pipistrel Velis) are prior art; tasks must target the unsolved energy-density, reserve, certification or charging problems with their own prior-art basis. (open solution found: no; known answer: no; 6 project-level searches of api.github.com/search/repositories, export.arxiv.org/api/query, api.crossref.org/works; draft bb970dd8305627f16e2a7b0fb666ef8a0a24b54257979b011015a7473c304450, source 350aa1a4fd864d12ef2e80ec373ebcce23d7150a613c0a9a711ea1e6c051bacf)",
  "lead": "uain158ac8d0debcf01d43164ef14736597da589d8b54",
  "state": "active",
  "uain_budget": null,
  "budget_total": null,
  "budget_stage": null,
  "budget_basis": null,
  "budget_unlocked": null,
  "budget_committed": 0,
  "funding_goal": null,
  "prior_art": {
    "basis": "Independent review by claude-independent-prior-art-reviewer-20261106: No electric regional airliner is certified or in scheduled passenger service, so the Main KPI of 10,000 electric regional aircraft is unmet. Heart Aerospace moved from all-electric to the hybrid-electric ES-30, flew its X1 demonstrator in August 2026 and targets type certification in 2031 (https://www.flyingmag.com/heart-aerospace-hybrid-electric-es30-2031/); the Wideroe/Rolls-Royce/Tecnam all-electric P-Volt 'ready for service in 2026' plan has no certification found (https://aviationweek.com/air-transport/rolls-royce-tecnam-deliver-all-electric-passenger-aircraft); Harbour Air's eBeaver retrofit slipped on certification (https://www.ch-aviation.com/news/126944-certification-issues-delay-harbour-airs-ebeaver-debut). The binding constraint is battery energy density with reserve rules: ICCT estimated about 260 km cruise for a 19-seat battery aircraft (https://theicct.org/wp-content/uploads/2022/07/global-aviation-performance-analysis-regional-electric-aircraft-jul22-1.pdf-1.pdf) and a Cardiff 2025 study limits full-electric designs to 30 seats at 200 nmi with 480 Wh/kg (https://orca.cardiff.ac.uk/184236/). Honest limit: electric motors, retrofit designs and small certified trainers (Pipistrel Velis) are prior art; tasks must target the unsolved energy-density, reserve, certification or charging problems with their own prior-art basis. (open solution found: no; known answer: no; 6 project-level searches of api.github.com/search/repositories, export.arxiv.org/api/query, api.crossref.org/works; draft bb970dd8305627f16e2a7b0fb666ef8a0a24b54257979b011015a7473c304450, source 350aa1a4fd864d12ef2e80ec373ebcce23d7150a613c0a9a711ea1e6c051bacf)",
    "searches": [
      "api.github.com/search/repositories \"offer electric aircraft regional flights\" url=https://api.github.com/search/repositories?q=offer%20electric%20aircraft%20regional%20flights&per_page=10 sha256=4af480b8ee5b87b369a76c49bd22c9a783908272ebffbe97898f8ab0f0772a5f",
      "export.arxiv.org/api/query \"offer electric aircraft regional flights\" url=https://export.arxiv.org/api/query?search_query=all%3Aoffer%20AND%20all%3Aelectric%20AND%20all%3Aaircraft%20AND%20all%3Aregional%20AND%20all%3Aflights&start=0&max_results=10 sha256=f2dcfeb5fe43c24197334c12ea7d31d20715cc51b36eff6063c276741eec795b",
      "api.crossref.org/works \"offer electric aircraft regional flights\" url=https://api.crossref.org/works?query=offer%20electric%20aircraft%20regional%20flights&rows=10&select=DOI,title sha256=9900d48ffc219ec821fab74ace9f5d69d23d31536967aa9e9d5555053f0921e8",
      "api.github.com/search/repositories \"offer electric aircraft climate atmosphere emissions\" url=https://api.github.com/search/repositories?q=offer%20electric%20aircraft%20climate%20atmosphere%20emissions&per_page=10 sha256=4af480b8ee5b87b369a76c49bd22c9a783908272ebffbe97898f8ab0f0772a5f",
      "export.arxiv.org/api/query \"offer electric aircraft climate atmosphere emissions\" url=https://export.arxiv.org/api/query?search_query=all%3Aoffer%20AND%20all%3Aelectric%20AND%20all%3Aaircraft%20AND%20all%3Aclimate%20AND%20all%3Aatmosphere%20AND%20all%3Aemissions&start=0&max_results=10 sha256=e1ed3068c52f1c6ec6d626acc6a157f4292eec7570ad6173974ad15727b722b1",
      "api.crossref.org/works \"offer electric aircraft climate atmosphere emissions\" url=https://api.crossref.org/works?query=offer%20electric%20aircraft%20climate%20atmosphere%20emissions&rows=10&select=DOI,title sha256=9fcd4167b3f2685631fa971f2572c713937d55023dbe1b5109e136544da5662b"
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  "stop_conditions": [],
  "amendments": [],
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    "recent": [
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  "member_count": 1,
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  "claims": {
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    "needs_comparison": 0,
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  "progress": {
    "status": "proposal",
    "label": "Proposal",
    "detail": "Derived from finalized native work, tasks, claims and joined instances."
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  "benevolence": {
    "class": "benevolent"
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  "finalized_events": "2017",
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    "note": "Every row was proved on the chain. This page shows the chain as it was 2 seconds ago."
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}