Issues

• Bug: ResultFormatter fuel formatters (currentFuel/burnedFuel/remainingFuel/outFuel/offFuel/onFuel/inFuel/startFuel) don't guard NaN — silently render "NaN" / "NaN lbs" in formatted.items

  bug
  airframesio/acars-decoder-typescript#526 · Filter by author kevinelliott opened on Sep 25, 2026

• Bug: Label_2P_FM4 splits header on 'FM4' (no trailing space) unlike FM3/FM5, leaving a leading space in departure_icao

  bug
  airframesio/acars-decoder-typescript#508 · Filter by author kevinelliott opened on Jul 31, 2026

• Bug: Label_20_CFB.01.ts is dead code — never imported, has a self-contradictory preamble/regex, and would emit fake decodeLevel:'full' if enabled

  bug
  airframesio/acars-decoder-typescript#503 · Filter by author kevinelliott opened on Jul 30, 2026

• Bug: Label_QP / Label_QR / Label_QS have no length guard on message.text — short messages emit empty ICAO airports, non-numeric time crashes MessageDecoder.decode()

  bug
  airframesio/acars-decoder-typescript#502 · Filter by author kevinelliott opened on Jul 30, 2026

• Bug: CBand.decode strips leading zeros from wrapped flight numbers and can emit duplicate flight_number items

  bug
  airframesio/acars-decoder-typescript#501 · Filter by author kevinelliott opened on Jul 30, 2026

• Bug: Label_10_LDR, Label_10_POS, Label_1L_070, and Label_1L_3Line report position (0, 0) for empty lat/lon fields — silently places aircraft in the Gulf of Guinea

  bug
  Bug

  airframesio/acars-decoder-typescript#497 · Filter by author kevinelliott opened on Jul 29, 2026

• Bug: ResultFormatter.temperature / totalAirTemp render "NaN degrees" for non-numeric input — only guard empty string, not NaN

  bug
  Bug

  airframesio/acars-decoder-typescript#496 · Filter by author kevinelliott opened on Jul 29, 2026

• Bug: Label_2P_FM4 and Label_2P_FM5 report position (0, 0) for empty lat/lon fields — same silent Gulf-of-Guinea failure as Label_2P_FM3 (#487)

  bug
  airframesio/acars-decoder-typescript#495 · Filter by author kevinelliott opened on Jul 28, 2026

• Bug: Label_2P_FM3 else-branch reports position (0, 0) for empty lat/lon fields — silently places aircraft in the Gulf of Guinea

  bug
  airframesio/acars-decoder-typescript#487 · Filter by author kevinelliott opened on Jul 25, 2026

• Bug: Label_MA sets decodeLevel: 'full' before recursive decode returns — inner-message failures/partials report as fully decoded

  bug
  airframesio/acars-decoder-typescript#486 · Filter by author kevinelliott opened on Jul 25, 2026

• Bug: Label_H1_FLR and Label_H1_WRN set raw.message_timestamp directly, bypassing ResultFormatter.timestamp — timestamp never appears in formatted.items

  bug
  airframesio/acars-decoder-typescript#485 · Filter by author kevinelliott opened on Jul 25, 2026

• Bug: Label_ColonComma unconditionally returns decoded:true / decodeLevel:'full' for any input, even non-numeric text — emits NaN frequency silently

  bug
  airframesio/acars-decoder-typescript#483 · Filter by author kevinelliott opened on Jul 25, 2026

• Bug: Label_4T_ETA dereferences etaData[2].substring with no length guard — short ETA payloads throw TypeError and abort MessageDecoder.decode()

  bug
  airframesio/acars-decoder-typescript#482 · Filter by author kevinelliott opened on Jul 25, 2026

• Bug: Label_5Z_Slash dereferences data[1], header[3], info[5], data[2..3] with no length guards — malformed 5Z messages throw TypeError and abort MessageDecoder.decode()

  bug
  airframesio/acars-decoder-typescript#481 · Filter by author kevinelliott opened on Jul 25, 2026

• Bug: Label_58 throws TypeError on empty lat/lon field (lat[0]/lon[0] undefined) — aborts MessageDecoder.decode()

  bug
  airframesio/acars-decoder-typescript#480 · Filter by author kevinelliott opened on Jul 25, 2026

• Bug: Label_H1_OHMA split('OHMA')[1] truncates payload when 'OHMA' recurs in the base64 body

  bug
  airframesio/acars-decoder-typescript#477 · Filter by author kevinelliott opened on Jul 24, 2026

• Bug: Label_H2_02E sets decoded: true, decodeLevel: 'full' even when nothing was actually parsed

  bug
  airframesio/acars-decoder-typescript#476 · Filter by author kevinelliott opened on Jul 24, 2026

• Bug: Label_SQ truthy check on coordinates.latitude drops equator (0° lat) ground stations from formatted output

  bug
  airframesio/acars-decoder-typescript#475 · Filter by author kevinelliott opened on Jul 24, 2026

• Bug: Label_30_Slash_EA derefs results[1..2] without length guard — bare /EA1830 throws TypeError

  bug
  airframesio/acars-decoder-typescript#474 · Filter by author kevinelliott opened on Jul 24, 2026

• Bug: DateTimeUtils.convertDayTimeToTod is off-by-one (day 15 renders as day 16)

  bug
  airframesio/acars-decoder-typescript#473 · Filter by author kevinelliott opened on Jul 24, 2026

• Bug: Label_HX LOCATION/43 branches dereference parts[3..4] with no length guard — preamble-only text throws TypeError and aborts MessageDecoder.decode()

  bug
  airframesio/acars-decoder-typescript#471 · Filter by author kevinelliott opened on Jul 6, 2026

• Bug: Label_83 variant-2 branch dereferences fields[2..6] with no length guard — short/truncated 4DH3 ETAT2… inputs throw TypeError and abort MessageDecoder.decode()

  bug
  airframesio/acars-decoder-typescript#470 · Filter by author kevinelliott opened on Jul 6, 2026

• Bug: Label_1M_Slash if (results) guard is dead — any 1M message with fewer than 9 fields throws TypeError and aborts MessageDecoder.decode()

  bug
  airframesio/acars-decoder-typescript#469 · Filter by author kevinelliott opened on Jul 6, 2026

• Bug: Label_H1_Paren parseLat regex mis-parses 5-digit latitudes accepted by the outer regex (silent, out-of-range output)

  bug
  airframesio/acars-decoder-typescript#468 · Filter by author kevinelliott opened on Jul 6, 2026

• Bug: FlightPlanUtils.processFlightPlan throws on trailing fpei with no value (split-out from #453 observation)

  bug
  airframesio/acars-decoder-typescript#467 · Filter by author kevinelliott opened on Jun 28, 2026