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Cargo and special mission

STC SA02453AK

FAA DRS lists SA02453AK as Current · Issued, held by Clearwater Air Inc, for Twin Commander Aircraft 690A, Twin Commander Aircraft 690B, and Twin Commander Aircraft 690C. Recorded change: Increase maximum ramp weight to 11,050 lbs. and increase maximum takeoff weight to 11,000 lbs. when operating in restricted category for the special purpose of Forest Service and Wildlife Conservation/Aerial Survey. Snapshot dated June 30, 2026.

FAA-listed holder
Clearwater Air Inc
Aircraft configurations
3
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

Increase maximum ramp weight to 11,050 lbs. and increase maximum takeoff weight to 11,000 lbs. when operating in restricted category for the special purpose of Forest Service and Wildlife Conservation/Aerial Survey.

SA02453AK identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Twin Commander Aircraft 690A, Twin Commander Aircraft 690B, and Twin Commander Aircraft 690C. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Twin Commander Aircraft 690A2A4Twin Commander Aircraft 690B2A4Twin Commander Aircraft 690C2A4

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Twin Commander Aircraft 690A and Twin Commander Aircraft 690B, and 1 more aircraft configuration model, serial range, and configuration?
  2. 02Which mission equipment, structural provisions, and limitations are approved?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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