// STC Estimator · Cobalt Aerospace
No discovery-call
gatekeeping.
A real number in 30 seconds.
Trained on 412 historical Cobalt programmes — narrow-bodies through rotorcraft, minor changes through novel STCs. Pick your fleet, pick a scope, pick a classification. We’ll show you a lead time, a cost band and the certification path. Confidence ±15%.
- Engineering hours scaled by fleet complexity multiplier
- Cert path determined by EASA Part 21A change classification
- Per-tail install economics for multi-aircraft fleets
- Excludes parts, kits, MRO labour and authority fees
STC Estimator · Interactive
// Indicative · binding quote after kick-off// 01Fleet
// 02Modification scope
// 03Change classification
// 04Number of tails in fleet
1
// Engineering paid once · install repeated per tail
// Indicative programme
Major Change · STC
// Lead time
11–15w
// Total cost
£126k–£182k
// Certification path
- 01
Classification & CRI raise - 02
Cert programme + means of compliance - 03
Ground & flight test (if reqd) - 04
EASA Form 124 + STC issue
// Estimate generated from 412 historical Cobalt programmes. ±15% confidence band.