All carrier audits

IndiGo

VT-IFU slipped 6 hours earlier on a Mumbai crew FDTL timeout — masked behind a "Delhi weather" SMS.

India · Domestic Trunk · DGCA CAR Section 3, Series M Part IV · Tail-Number Chaining + Crew FDTL Audit

64.8%

of IndiGo “bad weather” excuses rebutted on telemetry

420 audited flights · 71.4% originally blamed weather/ATC · Flagship trace: 6E-214 · DEL → BLR

Tail-Number Chain Masking41.2%
Selective Weather (VMC Open)23.6%
Crew FDTL Timeout18.4%
Unannounced Cancellation9.8%
Gate / Tarmac Hold7.0%

In high-frequency domestic A320neo rotations, single-airframe crew timeout cascades account for the majority of multi-hour delays labeled "bad weather" or "ATC restriction". AirTruth traces the exact aircraft tail across 4 prior sectors before departure.

Radar findings & monthly rebuttal share

Rebutted weather exemptions across audited sectors

Verified against METAR VMC & parallel runway departures

0%40%80%Jan 26Mar 26May 26Jul 26Sept 26Nov 26Nov 26: 69.2% rebutted

64.8% of "Bad Weather" exemptions on audited evening trunk routes occurred while ≥8 flights departed the same runway within 45 minutes.

Tail-Number Chaining exposed prior Mumbai/Bengaluru crew timeout delays up to 6 hours before destination weather even started.

Automated DGCA AirSewa packets raised carrier settlement speed and eliminated generic template rejections.

How the statutory contradiction unfolds

TimelineDetectorVerified Record
6h prior (Leg 2)Crew FDTL LimitVT-IFU crew hit 12.2h/12.0h FDTL ceiling at BOM with no standby captain.
17:35 IST (ETD+2h)Selective Weather8 aircraft departed VIDP RWY 28 cleanly under METAR 6000m VMC visibility.
18:20 ISTWeather Claim RebuttedAirline weather SMS contradicted; signed DGCA CAR ₹7,500–₹10,000 packet issued.